ANTHROPIC, PBC
28 Marks
Corp.
First Filed:May 1, 2020Latest Filed:Mar 18, 2026Address:548 Market St,, San Francisco, CA 94104, US
Portfolio Overview
Registered
13(46%)Pending
15(54%)Previous
4Top Classes
Class 42
Software, IT Services & Scientific ResearchClass 9
Electronics, Software & Scientific EquipmentClass 35
Advertising, Business Services & RetailTTAB Proceedings
Total Proceedings
8As Plaintiff
8(100%)As Defendant
0(0%)Top Firms
Lippes Mathias LLP(Dec 2025)
25
Day Pitney LLP(Nov 2025)
4
Trademark Activity Timeline(2020 – 2026)
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Trademark Portfolio
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Goods & Services
Class 042: Providing temporary use of online non-downloadable software using large language models (LLMs) for computer software code generation; Providing temporary use of on-line non-downloadable software development tools; Providing online non-downloadable software using artificial intelligence (AI) for machine learning; Providing online non-downloadable machine learning software for enabling computers to learn to perform tasks autonomously; Providing temporary use of online non-downloadable software using artificial intelligence (AI) for automating the planning, writing, testing of computer code, identifying and fixing of bugs in computer code, summarizing and answering of questions about computer code, and automating the coding and software development tasks; Providing temporary use of on-line non-downloadable software development tools for planning, writing, testing computer code, identifying and fixing bugs in computer code, summarizing and answering questions about computer code, and automating coding and software development tasks; Providing on-line non-downloadable software using artificial intelligence (AI) for performing generative text AI tasks in relation to content creation, computer code and natural language, processing AI tasks in relation to computer code, content, and text, and for writing computer code, content, text, and release notes, summarizing aspects of specified computer code, question-answering about specified computer code, and simulating natural conversation about specified computer code; Providing temporary use of on-line non-downloadable software for performing generative text AI tasks in relation to content creation, computer code and natural language, processing AI tasks in relation to computer code, and for writing computer code, content, text, and release notes, summarizing aspects of specified computer code, question-answering about specified computer code, and simulating natural conversation about specified computer code; Providing on-line non-downloadable software for performing generative text AI tasks in relation to content creation, computer code and natural language, processing AI tasks in relation to computer code, and for writing computer code, content, text, and release notes, summarizing aspects of specified computer code, question-answering about specified computer code, and simulating natural conversation about specified computer code; Providing temporary use of online non-downloadable computer software applications for performing generative text AI tasks in relation to content creation, computer code and natural language, processing AI tasks in relation to computer code, and for writing computer code, content, text, and release notes, summarizing aspects of specified computer code, question-answering about specified computer code, and simulating natural conversation about specified computer code
Goods & Services
Class 009: Downloadable software using artificial intelligence (AI) for summarizing texts; Downloadable software using artificial intelligence (AI) for writing content based on a theme; Downloadable software using artificial intelligence (AI) for summarizing computer code; Downloadable computer software for performing generative text AI tasks in relation to computer code and natural language, processing AI tasks in relation to computer code, and for writing computer code and release notes, summarizing aspects of specified computer code, question-answering about specified computer code, and simulating natural conversation about specified computer code; Downloadable computer software using artificial intelligence (AI) for planning, writing, testing computer code, identifying and fixing bugs in computer code, summarizing and answering questions about computer code, and automating coding and software development tasks; Downloadable computer application software for mobile phones, namely, software for planning, writing, testing computer code, identifying and fixing bugs in computer code, summarizing and answering questions about computer code, and automating coding and software development tasks; Downloadable software in the nature of a mobile application for planning, writing, testing computer code, identifying and fixing bugs in computer code, summarizing and answering questions about computer code, and automating coding and software development tasks; Downloadable computer application software for mobile devices, namely, software for planning, writing, testing computer code, identifying and fixing bugs in computer code, summarizing and answering questions about computer code, and automating coding and software development tasks
Goods & Services
Class 009: Downloadable computer software in the nature of an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable software in the nature of a downloadable mobile application featuring an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable electronic publications in the nature of articles, research papers, reports, and newsletters in the fields of artificial intelligence, computer science, and computer software design and development; Downloadable computer software for use as an application programming interface (API)
Goods & Services
Class 042: Providing temporary use of on-line non-downloadable software in the nature of an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; software as a service (SAAS) featuring software using artificial intelligence for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; application service provider featuring application programming interface (API) software; scientific research and development; research and development services in the fields of artificial intelligence, computer science, and computer software design and development; research, design and development of computer programs and software; providing product development and engineering services in the field of artificial intelligence; providing technical research in the fields of artificial intelligence, computer science, and computer software design and development; providing consultation in the design and development of technology in the fields of artificial intelligence, computer science, and computer software design and development; technological research in the field of deep learning for public policy purposes; technological research in the field of artificial intelligence for public policy purposes; technological research in the field of artificial intelligence and public policy; technological research on the societal implications of artificial intelligence for public policy purposes; technological research to evaluate and understand the capabilities, limitations, and potential for societal impact of artificial intelligence systems for public policy purposes
Goods & Services
Class 041: Educational services, namely, organizing and conducting live and online training in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development; providing online non-downloadable publications in the nature of articles, research papers, reports, and newsletters in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development; providing a website featuring non-downloadable publications in the nature of articles, research papers, reports, and newsletters in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development
Goods & Services
Class 035: Market research in the field of public policy; consumer research in the field of public policy; public policy consultation; market research related to the societal implications of artificial intelligence; consumer research related to the societal implications of artificial intelligence; promoting public awareness of scientific research and development, artificial intelligence, the ethical aspects of artificial intelligence, computer science, and computer software design and development; providing business consulting services in the fields of artificial intelligence, computer science, and computer software design and development
Goods & Services
Class 042: (Based on Use) Information services in the field of software as a service (SAAS) (Based on 44(d) Priority Application)(Based on Use) Providing online non-downloadable software using artificial intelligence (AI) for machine learning; Providing a website featuring on-line non-downloadable software that enables users to include, access, use, and interact with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of on-line non-downloadable software and applications for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing online non-downloadable software using machine learning for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of online non-downloadable software using large language models (LLMs) for computer software code generation; Providing on-line non-downloadable software for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; Software as a service (SAAS) services featuring software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; Providing temporary use of online non-downloadable chatbot software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of online non-downloadable chatbot software using large language models (LLMs) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing on-line non-downloadable software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of on-line non-downloadable software and applications using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing a website featuring non-downloadable software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation
Goods & Services
Class 042: (Based on Use) Information services in the field of software as a service (SAAS) (Based on 44(d) Priority Application)(Based on Use) Providing online non-downloadable software using artificial intelligence (AI) for machine learning; Providing a website featuring on-line non-downloadable software that enables users to include, access, use, and interact with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of on-line non-downloadable software and applications for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing online non-downloadable software using machine learning for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of online non-downloadable software using large language models (LLMs) for computer software code generation; Providing on-line non-downloadable software for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; Software as a service (SAAS) services featuring software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; Providing temporary use of online non-downloadable chatbot software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of online non-downloadable chatbot software using large language models (LLMs) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing on-line non-downloadable software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of on-line non-downloadable software and applications using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing a website featuring non-downloadable software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation
Goods & Services
Class 009: Downloadable computer software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; Downloadable chatbot software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; Downloadable software using artificial intelligence (AI) for simulating natural conversation; Downloadable software using artificial intelligence (AI) for summarizing texts; Downloadable software using artificial intelligence (AI) for writing content based on a theme; Downloadable software in the nature of a mobile application for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; Downloadable software in the nature of a mobile application for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation
Goods & Services
Providing temporary use of on-line non-downloadable software that includes, accesses, uses, and interacts with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; software as a service (SAAS) featuring software using artificial intelligence for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation
Goods & Services
Downloadable computer software that uses an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation, on any topic and in any field; downloadable software in the nature of a downloadable mobile application featuring an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation, on any topic and in any field
Goods & Services
Downloadable computer software that uses an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable software in the nature of a downloadable mobile application featuring an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation
Goods & Services
Downloadable computer software that uses an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable software in the nature of a downloadable mobile application featuring an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation

Goods & Services
Providing temporary use of on-line non-downloadable software that includes, accesses, uses, and interacts with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; software as a service (SAAS) featuring software using artificial intelligence for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation

Goods & Services
Downloadable computer software in the nature of an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable software in the nature of a downloadable mobile application featuring an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation

Goods & Services
Downloadable computer software in the nature of an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable software in the nature of a downloadable mobile application featuring an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable electronic publications in the nature of articles, research papers, reports, and newsletters in the fields of artificial intelligence, computer science, and computer software design and development; Downloadable computer software for use as an application programming interface (API)

Goods & Services
Providing temporary use of on-line non-downloadable software in the nature of an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; software as a service (SAAS) featuring software using artificial intelligence for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; application service provider featuring application programming interface (API) software; scientific research and development; research and development services in the fields of artificial intelligence, computer science, and computer software design and development; research, design and development of computer programs and software; providing product development and engineering services in the field of artificial intelligence; providing technical research in the fields of artificial intelligence, computer science, and computer software design and development; providing consultation in the design and development of technology in the fields of artificial intelligence, computer science, and computer software design and development

Goods & Services
Educational services, namely, organizing and conducting live and online training in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development; providing online publications in the nature of articles, research papers, reports, and newsletters in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development; providing a website featuring non-downloadable publications in the nature of articles, research papers, reports, and newsletters in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development

Goods & Services
Market research in the field of public policy; consumer research in the field of public policy; public policy consultation; market research related to the societal implications of artificial intelligence; consumer research related to the societal implications of artificial intelligence; promoting public awareness of scientific research and development, artificial intelligence, the ethical aspects of artificial intelligence, computer science, and computer software design and development; providing business consulting services in the fields of artificial intelligence, computer science, and computer software design and development | technological research in the field of deep learning for public policy purposes; technological research in the field of artificial intelligence for public policy purposes; technological research in the field of artificial intelligence and public policy; technological research on the societal implications of artificial intelligence for public policy purposes; technological research to evaluate and understand the capabilities, limitations, and potential for societal impact of artificial intelligence systems for public policy purposes

Goods & Services
Market research in the field of public policy; consumer research in the field of public policy; public policy consultation; market research related to the societal implications of artificial intelligence; consumer research related to the societal implications of artificial intelligence; promoting public awareness of scientific research and development, artificial intelligence, the ethical aspects of artificial intelligence, computer science, and computer software design and development; providing business consulting services in the fields of artificial intelligence, computer science, and computer software design and development | technological research in the field of deep learning for public policy purposes; technological research in the field of artificial intelligence for public policy purposes; technological research in the field of artificial intelligence and public policy; technological research on the societal implications of artificial intelligence for public policy purposes; technological research to evaluate and understand the capabilities, limitations, and potential for societal impact of artificial intelligence systems for public policy purposes

Goods & Services
Educational services, namely, organizing and conducting live and online training in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development; providing online non-downloadable publications in the nature of articles, research papers, reports, and newsletters in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development; providing a website featuring non-downloadable publications in the nature of articles, research papers, reports, and newsletters in the fields of scientific research and development, artificial intelligence, computer science, and computer software design and development

Goods & Services
Providing temporary use of on-line non-downloadable software that uses an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; software as a service (SAAS) featuring software using artificial intelligence for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; application service provider featuring application programming interface (API) software; scientific research and development; research and development services in the fields of artificial intelligence, computer science, and computer software design and development; research, design and development of computer programs and software; providing product development and engineering services for others in the field of artificial intelligence; providing technical research in the fields of artificial intelligence, computer science, and computer software design and development; providing consultation in the design and development of technology in the fields of artificial intelligence, computer science, and computer software design and development

Goods & Services
Downloadable computer software that uses an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable software in the nature of a downloadable mobile application featuring an artificial intelligence model for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; downloadable electronic publications in the nature of articles, research papers, reports, and newsletters in the fields of artificial intelligence, computer science, and computer software design and development

Goods & Services
Providing temporary use of on-line non-downloadable software that includes, accesses, uses, and interacts with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; software as a service (SAAS) featuring software using artificial intelligence for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation

Goods & Services
"A.I"

Goods & Services
Downloadable computer software development tools; Downloadable software development kits (SDK); Downloadable computer software for use as an application programming interface (API); Downloadable computer software for general purpose computation; Electronic software updates, namely, downloadable computer software and associated downloadable data files for updating computer software in the fields of artificial intelligence, provided via computer and communication networks; Downloadable computer software for database management; Downloadable computer software for enabling standardized communication between artificial intelligence applications and data sources; Downloadable communications software for connecting servers with clients; Downloadable computer networking software; No claim is made to the exclusive right to use PROTOCOL, apart from the mark as shown.

Goods & Services
No claim is made to the exclusive right to use PROTOCOL, apart from the mark as shown.; Software as a service (SAAS) services featuring software for database management; Application service provider featuring application programming interface (API) software; Providing temporary use of on-line non-downloadable software development tools; Technical support services, namely, troubleshooting of computer software problems; Providing temporary use of on-line non-downloadable software for implementing standardized communications between artificial intelligence applications and external data sources; Providing temporary use of on-line non-downloadable software for implementing client-server communication systems

Goods & Services
Software as a service (SAAS) services featuring software for database management; Application service provider featuring application programming interface (API) software; Providing temporary use of on-line non-downloadable software development tools; Technical support services, namely, troubleshooting of computer software problems; Providing temporary use of on-line non-downloadable software for implementing standardized communications between artificial intelligence applications and external data sources; Providing temporary use of on-line non-downloadable software for implementing client-server communication systems

Goods & Services
Downloadable computer software development tools; Downloadable software development kits (SDK); Downloadable computer software for use as an application programming interface (API); Downloadable computer software for general purpose computation; Electronic software updates, namely, downloadable computer software and associated downloadable data files for updating computer software in the fields of artificial intelligence, provided via computer and communication networks; Downloadable computer software for database management; Downloadable computer software for enabling standardized communication between artificial intelligence applications and data sources; Downloadable communications software for connecting servers with clients; Downloadable computer networking software