Are there any affordable patent search engines that offer better results than Google Patents for finding obscure prior art?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Are there any affordable patent search engines that offer better results than Google Patents for finding obscure prior art?
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). 1 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
affordable patent search tools alternatives to Google Patents obscure prior art The Lens Espacenet Patentfield pricing features Google ↗
patent search engines semantic search non patent literature prior art affordable Patentfield AcclaimIP pricing Google ↗
- Pricing · en.patentfield.com
- Best 7 Patent Search Platforms in 2026 for Your Company · patsnap.com
- PatentScan · patentscan.ai
- Patent Search & Analysis · about.lens.org
- PQAI website · pqai.org
- Patentfield website · en.patentfield.com
- The Lens website · lens.org
- Espacenet website · worldwide.espacenet.com
- Website · iprally.com
- Website · clarivate.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
affordable patent search tools alternatives to Google Patents obscure prior art The Lens Espacenet Patentfield pricing features OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 | |
patent search engines semantic search non patent literature prior art affordable Patentfield AcclaimIP pricing OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 |