# What Claude (Anthropic) with web search answered for patent-search services (small businesses) on 2026-10-15

## In short

On 2026-10-15, Claude (Anthropic) with web search was asked "best patent-search services for small businesses". It named 15 brands; the first six, in order, were Google, Google Patents, Espacenet, Lens.org, PQAI and Patentfield.

| Fact | Value |
| --- | --- |
| Question | best patent-search services for small businesses |
| Asked on | 2026-10-15 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 15 |
| Sources cited | 13 |
| Audience | small businesses |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-10-15 |

Page: https://bikoosh.com/answers/s/patent-search-services-small-businesses-2026-10-15
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-10-15 through Claude (Anthropic) with web search (model claude-opus-5).

> Here's how I'd actually approach it - for a small business, the right answer is usually a two-stage mix: do a free DIY search first to kill obvious dead ends, then pay a human for a real patentability search before you spend money on filing.
> 
> ## Start free (do this first, costs nothing)
> 
> 1. **Google Patents** - the one I'd open first. ~120M+ publications from 100+ offices, full text for the ~20 biggest, Google-style search so there's no learning curve, plus auto machine translation and a non-patent-literature search across Google Scholar and Books (prior art isn't only patents - a 2009 blog post or paper can sink you). Best single tool for "has anyone done this?"
> 2. **Espacenet (EPO)** - 110M+ documents from ~97 countries and the best multilingual coverage, with machine translation trained specifically on patent vocabulary across 31 languages. Use it as a second pass; it surfaces European and Asian families Google ranks poorly. Searching two tools genuinely finds different things.
> 3. **USPTO Patent Public Search** - the authoritative source for US patents and published applications, and the one to use for legal status, file history, and exact-number lookups. Note it replaced the ol

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Google | mentioned |
| 2 | Google Patents | mentioned |
| 3 | Espacenet | mentioned |
| 4 | Lens.org | mentioned |
| 5 | PQAI | mentioned |
| 6 | Patentfield | mentioned |
| 7 | PatSeer | mentioned |
| 8 | PatSnap | mentioned |
| 9 | Derwent | mentioned |
| 10 | Derwent Innovation | mentioned |
| 11 | Orbit | mentioned |
| 12 | Questel | mentioned |
| 13 | flat-fee | mentioned |
| 14 | Klemchuk | mentioned |
| 15 | UpCounsel | mentioned |

## Sources the engine cited

- https://www.casrai.org/compare/espacenet-vs-google-patents-vs-uspto-patent-public-search (other)
- https://www.maxval.com/blog/5-free-patent-search-engines-and-databases/ (other)
- https://ioplus.nl/en/posts/6-free-patent-search-tools-you-can-use-right-now- (other)
- https://patseer.com/a-comprehensive-guide-to-free-patent-search-databases-in-2024 (vendor)
- https://www.intepat.com/blog/patent/patent-search-the-lens/ (other)
- https://www.g2.com/products/pqai/discuss (review)
- https://en.patentfield.com/pricing (vendor)
- https://pricingsaas.com/companies/patsnap/diffs/2026W29 (other)
- https://www.patsnap.com/resources/blog/articles/7-best-patent-search-tools-for-ip-pros-in-2026/ (vendor)
- https://www.upcounsel.com/patent-search-cost (vendor)
- https://www.klemchuk.com/flat-fee-patent-search (vendor)
- https://patentpc.com/blog/flat-fee-patent-attorney-in-depth-guide (other)
- https://www.epo.org/learning/materials/inventors-handbook/novelty/professional.html (other)

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

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.