Patent & Trademark RAG — IP Docs to Markdown API

DPMA Scraper - German Trademarks & Patents

jungle_synthesizer/dpma-trademark-patent-de-scraper

Scrape DPMAregister for German trademarks, patents, designs, utility models. Mark images, applicant data, opposition history. Brand protection, IP due-diligence, prior-art search.

USPTO Patent Search — US Prior Art via Google Patents Index

nexgendata/uspto-patent-search

Search US patents (USPTO grants and published applications) for prior art by keyword, assignee or inventor, via the Google Patents index. Not an official USPTO API. Clean JSON with citations, CPC classes and claims.

China (CN) Patent Search — via Google Patents Index

nexgendata/cnipa-china-patent-search

Search Chinese (CN) patent publications — CNIPA-filed records as indexed by Google Patents — with abstracts, claims and citations. Not an official CNIPA API. Clean JSON for analysts, quants and AI agents.

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

Patent Trademark Search

hanamira/patent-trademark-search

Search patents and trademarks by keyword, company, or inventor. Get structured data with patent IDs, titles, abstracts, and direct URLs. Perfect for IP research, brand checks, and competitive intelligence.

RAG Web Browser — Web Content for AI & LLMs

nexgendata/rag-web-browser

Web browser for RAG pipelines and AI agents. Searches DuckDuckGo, scrapes the top results, returns clean Markdown with citation URLs. Feed your LLM with real-time web data. Works with Claude, GPT, LangChain, CrewAI. No API key needed.

ETF Holdings Tracker — Daily Constituents & Weights API

nexgendata/etf-holdings-tracker

Track ETF constituents and weights from SEC EDGAR — parsed, source-linked JSON for analysts, funds and AI agents. No API key. Pay per record.

TTAB Opposition Tracker — Trademark Disputes API

nexgendata/ttab-trademark-opposition-tracker

Track TTAB trademark opposition and cancellation proceedings. Clean JSON for IP counsel, brand teams and AI agents.

Rag Knowledge Graph Builder

cspnair/rag-knowledge-graph-builder

Transform websites into RAG-ready datasets. Crawls pages, chunks content into semantic segments (500-1000 tokens), and generates hypothetical questions for each chunk. No API key needed with native mode. Output: pre-indexed JSON optimized for AI retrieval with 3x better accuracy than raw text.

Australia ASIC Company Search — Registry API

nexgendata/australia-asic-company-search

Search the Australia ASIC company registry. Clean JSON for analysts, researchers and AI agents.