Search US patents via PatentsView API. Find patents by keyword, inventor, assignee, CPC code, date range. Returns title, abstract, inventors, assignees, citations. Free API key from PatentsView.

USPTO Patent Monitor API | JSON + Webhook

taroyamada/uspto-patent-scraper

Search and monitor US patent filings with multi-source fallback. Get machine-readable patent rows via dataset or webhook delivery.

Search European patents via EPO Open Patent Services. Find patents by title, applicant, inventor, date. CQL query support. Requires free EPO developer account for API credentials.

Google Search Scraper

api-ninja/google-search-scraper

Extract structured Google results across Search, Images, Videos, Places, Maps, News, Shopping, Scholar, Autocomplete, and Patents. Supports query/category batching, localization, pagination, retries, and clean dataset output.

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

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

Us Patent Search Scraper. Extract structured data with automatic pagination, proxy rotation, and JSON/CSV export. Pay only for results.