Every research tool attorneys need — from free search to AI-powered analysis
Everything you need for trademark research, from initial search to ongoing monitoring
Search 13.9M USPTO records by mark name, serial number, or registration number. Instant results with no account required.
Search across every goods and services description in the USPTO database. Find marks by what they cover, not just what they are — essential for clearance and class analysis.
Check trademark availability and domain name conflicts in one step. AI-powered clearance evaluates phonetic, visual, and conceptual similarity across 13.9M records.
Full owner profiles with complete portfolios, filing patterns, activity timelines, and assignment history. No account needed.
650K proceedings, opposing counsel history, and AI case summaries for opposition and cancellation research.
Sound-alike and visual similarity matching to find marks that text search misses. KOOL finds COOL, NYKE finds NIKE.
Confusion analysis (DuPont factors), prosecution summaries, and TTAB case summaries — all AI-generated from actual USPTO documents.
19 alert types: status changes, similar filings, citations, ownership transfers, TTAB proceedings, and more.
See how GleanMark streamlines common trademark research workflows
Manual
USPTO Trademark Search + Assignment DB + TTABVUE + domain registrars
One clearance search checks marks + domains (free account)
Manual
Field tags on USPTO Trademark Search, class-by-class
Dedicated G&S search across all descriptions (no account)
Manual
Multiple USPTO searches, manual compilation
One click, complete portfolio with trends (no account)
Manual
TTABVUE + PACER + manual analysis
Integrated search + AI summary (free account)
Manual
Daily manual USPTO checks
Automated alerts for 19 event types (paid plan)
Trademark research is the process of investigating trademark registrations, ownership, and potential conflicts before filing a new mark or evaluating brand risk. It typically involves searching the USPTO database, reviewing similar marks, and analyzing TTAB proceedings.
GleanMark provides a modern interface, phonetic matching, owner portfolios, and TTAB integration — all in one place. USPTO.gov is the official source for filings. GleanMark uses the same USPTO data but makes research faster.
No. Basic text search, owner portfolios, goods & services search, and full trademark detail pages are free without an account.
AI-powered evaluation of brand name availability across the USPTO database. It identifies potential conflicts based on phonetic, visual, and conceptual similarity. Requires a free GleanMark account.
GleanMark uses phonetic (sound-alike), trigram (character overlap), and algorithm-based matching to surface marks that may be confusingly similar. This goes beyond exact text matches to find marks like KOOL when searching for COOL.
19 alert types including status changes, similar mark filings, USPTO citations, ownership transfers, TTAB proceedings, and more. Monitoring requires a paid plan.
Search 13.9M USPTO trademarks — no account required.
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