I invented a portable solar charger in my university dorm and want to see if anyone else has patented something similar. Where can I find free databases to search for prior art globally without paying for professional patent search software?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
I invented a portable solar charger in my university dorm and want to see if anyone else has patented something similar. Where can I find free databases to search for prior art globally without paying for professional patent search software?
2 real searches · 1 real-search pass
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 (2)
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
free global patent databases WIPO PATENTSCOPE Espacenet Google Patents official search features Google ↗
USPTO patent public search free official database patent search Google ↗
- PATENTSCOPE · patentscope.wipo.int
- PATENTSCOPE: Frequently Asked Questions · wipo.int
- Patent and Technology Information · wipo.int
- Espacenet · worldwide.espacenet.com
- Espacenet - patent search · epo.org
- Google Patents · patents.google.com
- Patent Searches - Intellectual Property Law: A Beginner's Guide · guides.loc.gov
- Other Internet Resources to Search - Patents - Research Guides at New York Public Library Research Centers · libguides.nypl.org
- Lens.org · lens.org
- Patent Searching - Patent and Trademark Resource Center (PTRC) · guides.osu.edu
- Patent Public Search · uspto.gov
- Search for patents · uspto.gov
- Google Scholar · scholar.google.com
- CORE · core.ac.uk
- Crossref · crossref.org
- Internet Archive · archive.org
- International IP Searches · ipoi.gov.ie
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
free global patent databases WIPO PATENTSCOPE Espacenet Google Patents official search features OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
USPTO patent public search free official database patent search OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 |