Google Patents
by @jiafar
Search Google Patents database for patent research, infringement risk checks, and competitive IP analysis. Use when user mentions: 专利, patent, 侵权, infringeme...
Q: Why are some fields empty? A: Different countries have different patent page formats. Some patents may have incomplete data, or the description may not be digitized.
Q: Can I batch-fetch patents? A: Yes, loop through IDs. Respect the 1s rate limit. Free tier = 100 calls/month. Cached results (same query within 1h) are free.
Q: How to get PDF?
A: bash scripts/patents.sh pdf "US11734097B1" output.pdf
Q: Chinese vs English patents?
A: Chinese pages (patent/CNxxxxxx/zh) have native Chinese content. English pages have machine-translated content. Use --language CHINESE for search.
Q: Patent ID formats? A: Country code + number + type suffix. Examples: CN106484775A, US20180232442A1, EP2264377A2, USD975937S1 (design), JP2020123456A.
clawhub install google-patents