The-Utopia-Studio/patent-search
plugins/utopia-azraq-engagement/skills/patent-search/SKILL.md
Search 100M+ patents using BigQuery (fast, zero setup) or PatentsView API (US patents with rich metadata).
development
Updated Apr 30, 2026
$ install --global
skillsauthnpx skillsauth add The-Utopia-Studio/skills patent-searchInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- patent-search
- description:
- Search 100M+ patents using BigQuery (fast, zero setup) or PatentsView API (US patents with rich metadata).
Patent Search Skill
Two powerful patent search methods:
- BigQuery Search (Recommended) - 100M+ worldwide patents, zero local storage
- PatentsView API - Detailed US patent metadata (inventors, assignees, classifications, citations)
FOR CLAUDE: All files and dependencies installed.
- Go directly to Quick Test section
- Script at:
.claude/skills/patent-search/bigquery_search.py - Run from skill directory
- Windows: Use cmd syntax (dir, set, &&)
Quick Test
# Windows
cd ".claude\skills\patent-search"
set GOOGLE_APPLICATION_CREDENTIALS=%APPDATA%\\gcloud\\application_default_credentials.json
python bigquery_search.py search "voice biometric" 5
# Linux/macOS
cd .claude/skills/patent-search
export GOOGLE_APPLICATION_CREDENTIALS="$HOME/.config/gcloud/application_default_credentials.json"
python bigquery_search.py search "voice biometric" 5
Expected: 5 patent results in ~4 seconds
Quick Start
BigQuery Search
# Keyword search (2-3 keywords for best results)
python bigquery_search.py search "voice biometric authentication" 20
# Get specific patent (hyphenated format: US-XXXXXXX-XX)
python bigquery_search.py get US-12424224-B2
# CPC classification search
python bigquery_search.py cpc G10L 15
PatentsView API
Choosing the Right Method
Use BigQuery When:
- Quick keyword search needed
- Worldwide patents (not just US)
- Fast results (3-4 seconds)
- Zero local storage
- CPC classification search
- Budget-conscious (free tier: 1TB/month)
Use PatentsView When:
- Need detailed US patent metadata
- Searching by inventor/assignee
- Citation analysis required
- Complex boolean queries
- Exact field matching
- Patent family analysis
Combined Workflow
- Start with BigQuery (broad keyword search)
- Identify relevant patents and CPC codes
- Switch to PatentsView (detailed metadata/citations)
- Export final results
Example:
# Step 1: BigQuery broad search
python bigquery_search.py search "voice biometric authentication" 20
# Step 2: Found CPC G10L17, search more
python bigquery_search.py cpc G10L17 50
# Step 3: Use PatentsView for inventor/assignee analysis
Instructions for Claude
When user requests patent searches:
- Understand Goal: Technology, time period, prior art vs competitive analysis, US vs worldwide
- Check Dependencies: Verify BigQuery/PatentsView setup
- Choose Method: Default BigQuery for broad, PatentsView for detailed
- Optimize Queries:
- BigQuery: 2-3 keywords, simplify if zero results, use CPC codes
- PatentsView: Verify API key, construct JSON queries, handle pagination
- Present Results: Parse JSON, highlight key info, provide Google Patents URLs
- Offer Next Steps: Suggest refinements, related classifications, citation analysis
Common Use Cases
Prior Art Search
- BigQuery keyword search
- Identify CPC codes
- BigQuery CPC search
- PatentsView citation analysis
- Document findings
Competitive Intelligence
- PatentsView search by assignee
- Filter by date range
- Group by CPC
- Identify key inventors
- Trend report
Technology Landscape
- BigQuery CPC search worldwide
- Analyze by country/date
- Identify patent families
- PatentsView US details
- Summary report
Freedom to Operate
- BigQuery keyword + CPC search
- Filter by jurisdiction/active status
- PatentsView claim analysis
- Review forward citations
- Risk assessment
Performance & Coverage
| Method | Patents | Coverage | Speed | Cost | Storage | |--------|---------|----------|-------|------|---------| | BigQuery | 100M+ | Worldwide | 3-4s | Free* | 0GB | | PatentsView | 9.2M | US only | 1-3s | Free | 0GB |
*Free tier: 1TB queries/month
Quick Reference
BigQuery Commands
python bigquery_search.py search "query" <limit>
python bigquery_search.py get <PATENT-NUMBER>
python bigquery_search.py cpc <CODE> <limit>
Common CPC Codes
| Code | Technology | |------|-----------| | G10L | Speech analysis/synthesis | | G10L15 | Speech recognition | | G10L17 | Speaker recognition/verification | | G06F21 | Security arrangements | | G06N | Computing models |
Troubleshooting
FOR CLAUDE: Only run diagnostics if Quick Test fails.
| Problem | Solution |
|---------|----------|
| BigQuery auth fails | gcloud auth application-default login |
| No module google.cloud | pip install google-cloud-bigquery db-dtypes |
| Zero results | Simplify query (2-3 keywords max) |
| Patent get fails | Use hyphenated format: US-XXXXX-XX |
| PatentsView 403 | Set API key environment variable |
| Rate limit (429) | Wait 60 seconds (PatentsView: 45 req/min) |
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