/install google-patents
Google Patents
Search and retrieve patent data via SerpApi. Requires SERPAPI_API_KEY env var (free: 100/month at serpapi.com).
5 Commands
bash scripts/patents.sh search "keywords" [options] # Search patents
bash scripts/patents.sh detail "US11734097B1" # Basic info + claims
bash scripts/patents.sh fulltext "US11734097B1" # Description full text
bash scripts/patents.sh full "US11734097B1" # ALL data in one call
bash scripts/patents.sh pdf "US11734097B1" output.pdf # Download PDF
Patent ID: short US11734097B1 or full patent/US11734097B1/en. Supports all countries: CN, US, EP, JP, KR, WO, DE, etc.
Search Options
--country US,CN,JP,WO,EP,KR --status GRANT|APPLICATION
--type PATENT|DESIGN --assignee "Company"
--inventor "Name" --sort relevance|new|old
--after publication:20230101 --before publication:20251231
--num 10-100 --page N
--language ENGLISH|CHINESE --litigation YES|NO
--scholar --clustered
Boolean: "(massage) AND (glove OR mitt)" | Multi-term + CPC: "(pet grooming);(A01K13)"
What Each Command Returns
search: patent_id, title, snippet, assignee, inventor, dates, pdf, country_status detail: title, abstract, claims[], inventors[], assignees[], classifications[], legal_events[], citations, similar_documents[], images[], pdf, family_id, worldwide_applications fulltext: description full text (FIELD OF INVENTION, BACKGROUND, SUMMARY, DETAILED DESCRIPTION) full: Everything from detail + description_full combined pdf: Downloads PDF file to specified path
E-commerce Scenarios
# Infringement risk check (pre-listing must-do)
bash scripts/patents.sh search "product" --type DESIGN --country US --status GRANT
# Competitor patents
bash scripts/patents.sh search "category" --assignee "Company" --num 50
# Read claims to assess real risk
bash scripts/patents.sh full "USD975937S1"
# Download patent PDF for reference
bash scripts/patents.sh pdf "USD975937S1" ./patent.pdf
# Expired patents (free to use)
bash scripts/patents.sh search "tech" --before "filing:20040101"
# Latest trends
bash scripts/patents.sh search "tech" --sort new --after "publication:20240101"
# Litigation-prone patents
bash scripts/patents.sh search "product" --litigation YES --country US
Error Handling
All errors return JSON with error and code fields. No exceptions thrown.
| Code | Meaning |
|---|---|
| PATENT_NOT_FOUND | Patent ID doesn't exist (404) |
| AUTH_ERROR | Invalid/expired API key (401/403) |
| MAX_RETRIES_EXCEEDED | Network failure after 3 retries |
| NO_DESCRIPTION | Patent has no description text |
| PARSE_ERROR | HTML parsing failed |
| NO_PDF | No PDF available |
| DOWNLOAD_ERROR | PDF download failed |
| MISSING_QUERY | No search query provided |
| MISSING_ID | No patent ID provided |
Auto-retry: 3 attempts with exponential backoff (2s, 4s, 8s) on 429/5xx errors. Rate limit: 1 second between requests to avoid triggering anti-scraping. Timeouts: 10s connect, 30s max per request, 60s for PDF downloads.
FAQ
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.
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install google-patents - After installation, invoke the skill by name or use
/google-patents - Provide required inputs per the skill's parameter spec and get structured output
What is Google Patents?
Search Google Patents database for patent research, infringement risk checks, and competitive IP analysis. Use when user mentions: 专利, patent, 侵权, infringeme... It is an AI Agent Skill for Claude Code / OpenClaw, with 506 downloads so far.
How do I install Google Patents?
Run "/install google-patents" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Google Patents free?
Yes, Google Patents is completely free (open-source). You can download, install and use it at no cost.
Which platforms does Google Patents support?
Google Patents is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Google Patents?
It is built and maintained by jiafar (@jiafar); the current version is v1.2.0.