USPTO Trademark Database API

Search USPTO trademark database for registered marks, serial numbers, filing dates, and status. Essential for brand clearance and IP research.

USPTO API - Patent & Trademark Data

alizarin_refrigerator-owner/uspto-api---patent-trademark-data

Access USPTO patent & trademark data. Search 11M+ US patents by keyword, inventor, assignee or classification. Get patent details, claims, citations legal status. Track trademark registrations and applications. Search Patents Search by Inventor Get Patent Claims Get Citations Search Trademarks

Check if your brand name conflicts with existing USPTO trademarks before you launch. Get risk scores, phonetic matching, and safer alternatives.

Search US patents from USPTO. Get patent numbers, titles, inventors, claims, and citations. Essential for IP research and competitive analysis.

EUIPO Trademark Search

doppelspotter/euipo-trademark-search

Search EU trademark filings via the official EUIPO API. Supports multi-word brand names, combined keyword searches in a single run, date range and Nice class filtering, and automatic token caching.

Search USPTO patent database for inventions, claims, and prior art. Get patent numbers, inventors, assignees, and filing dates for IP research.

Protect your brand from typosquatting, social media impersonation, and online fraud.

Free patent API alternative to PatSnap ($10K-$50K/yr). Search USPTO patents, analyze company IP portfolios, track inventor networks, and explore patent citations. No API key required. Pay-per-use for patent landscape, competitive intelligence, and R&D tracking.