I need the cheapest patent search tool that won't miss existing prior art for my new hardware invention before I spend money on a formal application.
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
I need the cheapest patent search tool that won't miss existing prior art for my new hardware invention before I spend money on a formal application.
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
official pricing patent search software Patentfield Orbit Questel PatSnap 2026 Google ↗
best patent search tools pricing free Google Patents Lens Espacenet professional prior art search hardware invention 2026 Google ↗
- Search Google Patents · patents.google.com
- Searching · support.google.com
- Coverage · support.google.com
- Search Espacenet · worldwide.espacenet.com
- Espacenet - patent search · epo.org
- Search PATENTSCOPE · patentscope.wipo.int
- PATENTSCOPE: Frequently Asked Questions · wipo.int
- PATENTSCOPE · wipo.int
- Search USPTO patents · ppubs.uspto.gov
- Search for patents · uspto.gov
- International Patent Databases (free on web) · ptrca.org
- See Patentfield pricing · en.patentfield.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
official pricing patent search software Patentfield Orbit Questel PatSnap 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
best patent search tools pricing free Google Patents Lens Espacenet professional prior art search hardware invention 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 |