How to Scrape Patent Data from Google Patents and USPTO

Patent data reveals innovation trends and competitive intelligence.

Google Patents (Free)

Google Patents has a search interface — use SerpAPI or parse results.

USPTO API (Free, Official)

async function searchPatents(query) {
  const url = `https://developer.uspto.gov/ibd-api/v1/application/publications?searchText=${encodeURIComponent(query)}&start=0&rows=25`;
  const res = await fetch(url);
  return res.json();
}

Data Available

• Patent title and abstract
• Filing and publication dates
• Inventors and assignees
• Classifications (CPC/IPC)
• Claims and descriptions
• Citation network

Use Cases

1. Competitive intelligence — what are competitors patenting?
2. Technology trend analysis
3. Innovation landscape mapping
4. Freedom-to-operate research
5. M&A due diligence

Resources

• arXiv API Guide
• Government Data APIs
• Complete Index

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