# What Claude (Anthropic) with web search answered for patent-search services (startups) on 2026-10-28

## In short

On 2026-10-28, Claude (Anthropic) with web search was asked "best patent-search services for startups". It named 25 brands; the first six, in order, were Google, Google Patents, Documents, Espacenet, Lens.org and WIPO PATENTSCOPE.

| Fact | Value |
| --- | --- |
| Question | best patent-search services for startups |
| Asked on | 2026-10-28 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 25 |
| Sources cited | 11 |
| Audience | startups |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-10-28 |

Page: https://bikoosh.com/answers/s/patent-search-services-startups-2026-10-28
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-10-28 through Claude (Anthropic) with web search (model claude-opus-5).

> ## Free - start here, this covers most startup needs
> 
> **Google Patents** - fastest path to a usable answer. Full-text across 100+ offices, machine translations, and the "Similar Documents" panel does a decent semantic job. Known weaknesses: a lag on very recent publications, and you should verify legal status elsewhere. For a founder doing a first sanity check before spending money, this is the right first stop.
> 
> **Espacenet (EPO)** - the one I'd use as the serious free follow-up. Its Citation View shows cited patent families in one place and *separates inventor citations from examiner citations*, which is genuinely rare and tells you what an examiner thought was close. Also the best CPC classification browsing, which is how you actually find prior art you weren't searching for.
> 
> **Lens.org** (Cambia, non-profit) - free, and the one that combines patents + scholarly literature + biological sequences + citation analytics. Best choice if your prior art is likely academic papers rather than patents (common in biotech, ML, materials) or if you want basic portfolio/landscape visualizations without paying.
> 
> **WIPO PATENTSCOPE** - worth a pass for its cross-lingual expansion (search in En

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Google | mentioned |
| 2 | Google Patents | mentioned |
| 3 | Documents | mentioned |
| 4 | Espacenet | mentioned |
| 5 | Lens.org | mentioned |
| 6 | WIPO PATENTSCOPE | mentioned |
| 7 | PATENTSCOPE | mentioned |
| 8 | IPRally | recommended |
| 9 | PatSeer | compared |
| 10 | PatSnap | mentioned |
| 11 | Questel Orbit | mentioned |
| 12 | Questel Orbit Intelligence | mentioned |
| 13 | Orbit | mentioned |
| 14 | Orbit Intelligence | mentioned |
| 15 | Clarivate | mentioned |
| 16 | Clarivate Derwent | mentioned |
| 17 | Clarivate Derwent Innovation | mentioned |
| 18 | Derwent | mentioned |
| 19 | Derwent Innovation | mentioned |
| 20 | flat-fee | mentioned |
| 21 | US-only | mentioned |
| 22 | MaxVal | mentioned |
| 23 | Sagacious Research | mentioned |
| 24 | UpCounsel | mentioned |
| 25 | Klemchuk | mentioned |

## Sources the engine cited

- https://sourceforge.net/software/patent-research/for-startup/ (other)
- https://www.patsnap.com/resources/blog/articles/7-best-patent-search-tools-for-ip-pros-in-2026/ (vendor)
- https://upcounsel.com/patent-search-tools (vendor)
- https://www.maxval.com/blog/5-free-patent-search-engines-and-databases/ (vendor)
- https://sagaciousresearch.com/blog/?p=14497 (vendor)
- https://guides.library.cornell.edu/patents/search_tips (reference)
- https://www.upcounsel.com/patent-search-cost (vendor)
- https://www.klemchuk.com/flat-fee-patent-search (vendor)
- https://www.patsnap.com/resources/blog/articles/how-much-does-a-patent-search-cost/ (vendor)
- https://www.g2.com/compare/derwent-innovation-vs-orbit-intelligence (review)
- https://www.g2.com/products/patsnap-analytics/pricing (review)

The question page: https://bikoosh.com/answers/q/patent-search-services/startups

Alerts and membership: Answer Watch Pro, 79 USD per month: https://bikoosh.com/answers. Bikoosh is monitoring assistance, not complete protection.

Answer Watch records what one AI answer engine said on one date, nothing more. Each page names the engine and the model, carries the date the question was asked, and lists the brands that appeared in the answer in the order the engine gave them, with the sources it cited. It is a measurement, not a ranking, not a recommendation and not a claim about the world. Brands that did not appear in an answer are not named on any public page. Coverage: Claude (Anthropic) with web search. Other engines not included.