What are the best free online tools to search existing patents before I spend time developing my product idea
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the best free online tools to search existing patents before I spend time developing my product idea
1 real search · 1 real-search pass
best free patent search databases official USPTO Patent Center Google Patents Espacenet WIPO PATENTSCOPE search featuresGoogle ↗
OBSERVEDComparison
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.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
best free patent search databases official USPTO Patent Center Google Patents Espacenet WIPO PATENTSCOPE search features Google ↗
- Search Google Patents · patents.google.com
- Open USPTO Patent Public Search · ppubs.uspto.gov
- Search Espacenet · worldwide.espacenet.com
- Search PATENTSCOPE · patentscope.wipo.int
- PATENTSCOPE: Frequently Asked Questions · wipo.int
- Search The Lens · lens.org
- Search Global Design Database · designdb.wipo.int
- Patent Searches - Intellectual Property Law: A Beginner's Guide · guides.loc.gov
- Patent search - Patents & Trademarks · libguides.library.gatech.edu
- Important Links to Official Manuals · ptrca.org