# What Claude (Anthropic) with web search answered for patent-search services (small businesses) on 2026-09-10

## In short

On 2026-09-10, Claude (Anthropic) with web search was asked "best patent-search services for small businesses". It named 7 brands, in this order: Google Patents, PQAI, Espacenet, UpCounsel, Questel, PatSnap.

| Fact | Value |
| --- | --- |
| Question | best patent-search services for small businesses |
| Asked on | 2026-09-10 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 7 |
| Sources cited | 18 |
| Audience | small businesses |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-09-10 |

Page: https://bikoosh.com/answers/s/patent-search-services-small-businesses-2026-09-10
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-09-10 through Claude (Anthropic) with web search (model claude-opus-5).

> My recommendation: do your own free search first, then pay a professional once you're about to spend real money on a filing or a product launch. In the order I'd give them:
> 
> ### Free tools (start here)
> 
> 1. **[Google Patents](https://patents.google.com)**: The easiest place to start. It covers more than 120 million documents from over 100 patent offices, and you can read a patent in two clicks. The downside is that you have to build keyword queries yourself and sift through a lot of results. ([GreyB](https://greyb.com/blog/patent-databases-best-search-platforms/))
> 2. **[USPTO Patent Public Search](https://www.uspto.gov/patents/search/patent-public-search)**: It's built on the same search system USPTO examiners use, and it's the most complete and current source for US patents. Clunkier than Google, but more reliable for the US. ([UMD Libraries guide](https://lib.guides.umd.edu/patent_tm/patent_search_tips))
> 3. **[PQAI](https://search.projectpq.ai/)**: A free, open-source AI search tool. You describe your invention in plain English and it returns prior art from US patents, published applications and about 11.5 million research papers. It's the best option for non-experts who don't wan

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Google Patents | mentioned |
| 2 | PQAI | mentioned |
| 3 | Espacenet | mentioned |
| 4 | UpCounsel | mentioned |
| 5 | Questel | mentioned |
| 6 | PatSnap | mentioned |
| 7 | Clarivate | mentioned |

## Sources the engine cited

- https://patents.google.com (other)
- https://greyb.com/blog/patent-databases-best-search-platforms/ (other)
- https://www.uspto.gov/patents/search/patent-public-search (reference)
- https://lib.guides.umd.edu/patent_tm/patent_search_tips (reference)
- https://search.projectpq.ai/ (other)
- https://projectpq.ai/pqai-for-inventors/ (other)
- https://worldwide.espacenet.com/ (vendor)
- https://www.lens.org/ (other)
- https://en.wikipedia.org/wiki/The_Lens (reference)
- https://support.lens.org/knowledge-base/patent-search/ (other)
- https://www.uspto.gov/learning-and-resources/patent-trademark-resource-centers (reference)
- https://www.uspto.gov/subscription-center/2023/connecting-eligible-inventors-and-entrepreneurs-free-legal-assistance (reference)
- https://casrai.org/guides/patentability-search-cost (other)
- https://www.upcounsel.com/patent-search-cost (vendor)
- https://www.entrepreneur.com/growing-a-business/low-cost-patent-search-options-for-inventors-on-a-budget/248874 (other)
- https://us.fitgap.com/search/patent-research-software/small-business (other)
- https://www.patsnap.com/resources/blog/articles/best-patent-search-platforms-2026/ (vendor)
- https://www.lens.org/lens/?locale=en (other)

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

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.