APProjects/trademark-similarity-check
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Trademark similarity check — US Official Gazette word marks
Type a brand name and see the US trademark word marks it collides with, scored by the kinds of similarity USPTO examiners and §2(d) oppositions actually turn on (exact, phonetic/soundalike, one-token-different, containment), not raw edit distance.
- Runs entirely in your browser. Nothing typed is transmitted; there is no server.
- Data: every word mark in the US Trademark Official Gazette — published for opposition and registered — normalized to one row per mark, rebuilt every Tuesday when the USPTO publishes a new issue. Source data is US federal public domain.
- Open data: dataset on the Hub · CSV + code on GitHub · project site
Honest scope
This is a screening tool over Gazette word marks, not a full USPTO clearance search (it does not cover design marks, dead/abandoned records, common-law use or state registers) and it is not legal advice. A real clearance opinion comes from a trademark attorney. Matcher benchmark and method: MATCHER_REPORT.md.
