OpenAI OpCo, LLC (P) vs Jason Dale Killmeyer (D)
Suspended
Oppositions
Proceeding Details
Proceeding Number
Filing Date
Dec 16, 2025
Last Status Update
Feb 27, 2026
Interlocutory Attorney
KATERINA D SPARER
Parties
Plaintiff
OpenAI OpCo, LLC

1801 EAST 6TH STREET, SUITE 300
AUSTIN, TX 78702
Attorney / Correspondent:
Marks:
GPT-4
Registered
|Reg #: 7232349|S/N: 97836275
GPT-4
LIVE - REGISTERED
TrademarkWordOwner: OpenAI OpCo, LLC
Status: CANCELLATION PENDING

Record Details
Serial No.
97836275
Registration No.
7232349
Status
LIVE
Important Dates
Filed
Mar 13, 2023
Registered
Nov 28, 2023
First Use
May 18, 2023
Goods & Services
Class 009Class 042
Downloadable computer programs and downloadable computer software for using language models; downloadable computer programs and downloadable computer software for the artificial production of human speech and text; downloadable computer programs and downloadable computer software for natural language processing, generation, understanding and analysis; downloadable computer programs and downloadable computer software for machine-learning based language and speech processing software; downloadable computer programs and downloadable computer software for the translation of text or speech from one language to another; downloadable computer programs and downloadable computer software for sharing datasets for the purpose of machine learning, predictive analytics, and building language models; downloadable computer programs and downloadable computer software for conversion of audio data files into text; downloadable computer programs and downloadable computer software for voice and speech recognition; downloadable computer programs and downloadable computer software for creating and generating text; downloadable computer programs and downloadable computer software for developing, running and analyzing algorithms that are able to learn to analyze, classify, and take actions in response to exposure to data; downloadable computer programs and downloadable computer software for developing and implementing artificial neural networks; Software as a service (SaaS) services, namely, providing online non-downloadable software for using language models; providing online non-downloadable software for the artificial production of human speech and text; providing online non-downloadable software for natural language processing, generation, understanding and analysis; providing online non-downloadable software for machine-learning based language and speech processing software; providing online non-downloadable software for the translation text or speech from one language to another; providing online non-downloadable software for sharing datasets for the purpose of machine learning, predictive analytics, and building language models; providing online non-downloadable software for conversion of audio data files into text; providing online non-downloadable software for software for voice and speech recognition; providing online non-downloadable software for creating and generating text; providing online non-downloadable software for developing, running and analyzing algorithms that are able to learn to analyze, classify, and take actions in response to exposure to data; providing online non-downloadable software for developing and implementing artificial neural networks; application service provider featuring application programming interface (API) software; research and development services in the field of artificial intelligence; research, design and development of computer programs and software
GPT-3
Registered
|Reg #: 6294671|S/N: 90092493
GPT-3
LIVE - REGISTERED
Service MarkWordOwner: OPENAI OPCO, LLC
Status: CANCELLATION PENDING
Record Details
Serial No.
90092493
Registration No.
6294671
Status
LIVE
Important Dates
Filed
Aug 4, 2020
Registered
Mar 16, 2021
First Use
May 28, 2020
Goods & Services
Class 042
Software as a service (Saas) services, namely, providing online non-downloadable software for using language models; providing online non-downloadable software for the artificial production of human speech; providing online non-downloadable software for natural language processing; providing online non-downloadable software for machine-learning based language and speech processing software; providing online non-downloadable software for the translation text or speech from one language to another; providing online non-downloadable software for sharing datasets for the purpose of machine learning, predictive analytics, and building language models; providing online non-downloadable software for conversion of audio data files into text; providing online non-downloadable software for software for voice and speech recognition
VS
Defendant
Jason Dale Killmeyer
721 MARIGOLD CT.
PRESTO, PA 15017
Attorney / Correspondent:
Mark:
CHATGPTEES
Pending
S/N: 99103758
CHATGPTEES
LIVE - PENDING
TrademarkWordOwner: Jason Dale Killmeyer
Status: OPPOSITION PENDING

Record Details
Serial No.
99103758
Status
LIVE
Important Dates
Filed
Mar 25, 2025
Goods & Services
Class 025
Wearable garments and clothing, namely, shirts
TTAB Documents
Title | Date | Entry # | Category | Code | Actions |
|---|---|---|---|---|---|
NOTICE OF DEFAULT | Feb 27, 2026 | 4 | Defaults | 144 | |
INSTITUTED | Dec 18, 2025 | 3 | Status | 128 | |
NOTICE AND TRIAL DATES SENT; ANSWER DUE: | Dec 18, 2025 | 2 | Scheduling | 707 | |
FILED AND FEE | Dec 16, 2025 | 1 | Fees | 124 |