Can I use Google Patents to find prior art, or are there better free websites for checking existing inventions?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Can I use Google Patents to find prior art, or are there better free websites for checking existing inventions?
1 real search · 1 real-search pass
best free patent prior art search databases Google Patents USPTO Patent Public Search WIPO PATENTSCOPE Espacenet officialGoogle ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
best free patent prior art search databases Google Patents USPTO Patent Public Search WIPO PATENTSCOPE Espacenet official Google ↗
- Google Patents · patents.google.com
- USPTO Patent Public Search · ppubs.uspto.gov
- Patent Public Search · uspto.gov
- Search for patents · uspto.gov
- Searching with Classifications - Patents and Trademarks - Guides @ UF at University of Florida · guides.uflib.ufl.edu
- Patent Searches - Intellectual Property Law: A Beginner's Guide · guides.loc.gov
- Espacenet · worldwide.espacenet.com
- WIPO PATENTSCOPE · patentscope.wipo.int
- The Lens · lens.org
- Patent Searching - Patent and Trademark Resource Center (PTRC) · guides.osu.edu
- Google Scholar · scholar.google.com
- Internet Archive · archive.org
- YouTube · youtube.com
- Google Search · google.com