10 actions in 5 pieces of software · ranked by words, meaning and measured trust · 368 ms

1. 1namestack-usptofound in code, not yet checkedno passport yet
   • uspto_mark

     Retrieve one trademark record by serial or registration number, optionally with its prosecution history and maintenance deadlines.

   • uspto_check

     Screen brand names against the USPTO register for identical and similar marks. Reuses fresh cached snapshots unless refresh is true. Read omitted tier samples with uspto_results using each name's resultId. Check each tier's status: skipped tiers have unknown totals, not zero matches. Results are a k

   • uspto_search

     Search the USPTO register using USPTO field tag syntax, for example CM:aurora AND IC:025. Field tags and logical operators must be uppercase. Use this to refine a screening result, not as the first step.

   • uspto_classes

     List international trademark classes and the classes coordinated with them. Answered from bundled data without contacting USPTO.

2. 2trademarksfound in code, not yet checkedno passport yet
   • search_trademarks

     Search US federal trademarks by mark text — the clearance/knockout-search path. Find registered and pending marks by wordmark without knowing a serial or registration number, then filter by international class and live/dead status to see which marks are actually enforceable. Covers the full USPTO re

   • get_trademark_by_registration

     Look up a US trademark by registration number. Returns status, owner, mark text, goods/services, and classification. Requires USPTO API key.

   • get_trademark_by_serial

     Look up a US trademark by serial number. Returns status, owner, filing/registration dates, goods/services, and classification. Requires USPTO API key (free at account.uspto.gov).

3. 3scientific-db-uspto-databaseverified and signedpassport

   skillaffaan-m/eccrecord

   • scientific-db-uspto-database

     USPTO patent and trademark data workflow for official record lookup, PatentSearch queries, TSDR checks, assignment data, and reproducible IP research logs. Use when a task needs official United States patent or trademark records from USPTO systems.

4. 4mcp-usptofound in code, not yet checkedno passport yet

   MCP serverpetrefiedthunder/mcp-uspto

   • search_trademarks

     Search US trademark registrations by serial or registration number via USPTO TSDR.

5. 5mcp-trademarkfound in code, not yet checkedno passport yet
   • tm_search

     Search the USPTO trademark database for a word mark. Returns up to `limit` matches with serial number, owner, status, and filing date.