I am a retired engineer looking for recommendations on affordable patent search engines to see if my retirement project invention is truly unique.
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
I am a retired engineer looking for recommendations on affordable patent search engines to see if my retirement project invention is truly unique.
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.
Classifying 2 queries…
Searches and sources
ChatGPT2 real searches · gpt-6
best affordable patent search engines free and low cost patent prior art search tools pricing Google Patents Espacenet USPTO Patent Public Search 2026 Google ↗
patent search software pricing professional patent search tools PatentSight PatSnap The Lens 2026 Google ↗
- Google Patents · patents.google.com
- The Lens · lens.org
- Espacenet · worldwide.espacenet.com
- USPTO Patent Public Search · ppubs.uspto.gov
- PQAI · pqai.org
- Patent Databases - Patents · infoguides.rit.edu
- Home - Patent Searching · guides.library.cornell.edu
- Best Patent Search Software (2026): 11 Tools Compared · patentassist.ai
- eureka.patsnap.com · eureka.patsnap.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
best affordable patent search engines free and low cost patent prior art search tools pricing Google Patents Espacenet USPTO Patent Public Search 2026 OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
patent search software pricing professional patent search tools PatentSight PatSnap The Lens 2026 OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 |