Clarivate IPOne CompuMark Trademarks

Search global trademark registers, run knockout screens and pull full records.

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What the Clarivate IPOne CompuMark Trademarks connector does

The Clarivate IPOne CompuMark connector searches global trademark registers from Claude, ChatGPT or any MCP client. Nine tools run identical knockout screens, build fielded searches with phonetic matching, count result volumes before retrieval, and pull records and goods text. Every tool reads; none writes to any register.

Verified connector

Listed by Anthropic as a partner connector in its Connectors Directory.

Connection checked by Agentman on .

Anthropic states this reflects the level of review a connector received, not a security audit.

Clarivate IPOne CompuMark Trademarks tools (9)

  • ip-one___trademark-content
  • ip-one___trademark-count
  • ip-one___trademark-fulltext
  • ip-one___trademark-goods
  • ip-one___trademark-knockout-search
  • ip-one___trademark-search-field-names
  • ip-one___trademark-search-field-operators
  • ip-one___trademark-search-register-office-codes
  • ip-one___trademark-search

Tool names from Anthropic's directory listing. This server requires sign-in, so we could not read tool descriptions or parameter schemas.

Limits

  • No cost information is published for this connector. Clarivate's documentation page names no credit, quota, per-search fee, overage or rate limit, and no tool among the nine reports a balance or usage figure. Whether a search is metered is unresolved from public sources, and the connector provides no in-band way to find out. Confirm terms with Clarivate before granting blanket auto-approval.
  • No application scopes exist. The protected-resource descriptor publishes scopes_supported as an empty array and the authorization server advertises only openid, email and profile. Nothing at the OAuth grant narrows anything. On a wholly read-only server this costs less than it would elsewhere, but it also means a token cannot be scoped down.
  • We could not read tool schemas or safety annotations. The endpoint returned 401 to an anonymous request, so no readOnlyHint or destructiveHint is reported here and parameter types come from Clarivate's documentation rather than from the wire.
  • trademark-content caps at 100 IDs per call. Larger result sets must be batched by the client, and Clarivate does not document a cap on how many calls that may become.
  • Goods and services text is one trademark at a time. trademark-goods takes a single ID, so reviewing goods across a result set is one call per mark.
  • Jurisdiction coverage depends on codes you supply. Omitting WO, or EM for EU countries, produces a search that under-returns without erroring. Clarivate documents the rule; the tools do not enforce it.
  • The documentation page describes the transport as SSE. It carries an "MCP / SSE" badge while Anthropic's directory records streamable-http, which is what our live probe exercised successfully. Follow the directory value.
  • The docs page is the only unauthenticated path on the host. Every other path we probed on ipone.clarivate.com — including robots.txt, sitemap.xml and llms.txt — returns 401 with "Missing Bearer token". No crawl policy or machine index is readable for that host.
  • This is trademark data, not clearance advice. A knockout search returning nothing is not a finding of availability, and full clearance is a professional judgement about confusing similarity, goods overlap and unregistered rights. We report what the tools return and give no legal advice about it.

Frequently asked questions

Can the CompuMark connector file, amend or withdraw a trademark application?

No. All nine tools read. Their verbs are search, count, content, goods, fulltext and three that list valid field names, operators and office codes. No name carries file, create, update, delete, oppose or withdraw, and Anthropic's directory records the connector's permissions as read only. Nothing in this surface touches a register.

Does each CompuMark trademark search cost money or spend a credit?

Clarivate does not say on this page, and that is the finding. CompuMark is sold by subscription rather than published list price, and the connector's documentation names no credit, quota, per-search fee or rate limit. No tool reports a balance or usage either, so an agent cannot check consumption before or after a search.

How many tools does the Clarivate CompuMark MCP server expose?

Nine, and this is one of the rare listings where both sources agree exactly. Anthropic's directory and Clarivate's own documentation page each name the same nine tools, with no name in one absent from the other. The directory prefixes each with ip-one___ where the documentation does not; the trailing segment matches in every case.

What OAuth permissions does the CompuMark MCP server request?

None that narrow anything. Its protected-resource descriptor publishes scopes_supported as an empty array, a deliberate statement rather than silence. The authorization server advertises only openid, email and profile, which are identity claims. Because every tool is read-only, no boundary is missing between a safe operation and a consequential one here.

Which trademark registers does the CompuMark connector search?

Whichever ones you name. Every search tool requires a registrationOfficeCodes array in WIPO two-letter format, and trademark-search-register-office-codes lists the valid values. Clarivate advises adding WO with limitWOresultsToDesignated set true when searching one country, and adding EM as well for EU member states.

What is a knockout search in the CompuMark connector?

An exact-match screen. trademark-knockout-search looks for identical marks only and returns matching trademark IDs, which is the fast first-pass check for whether a name is plainly taken. It is narrower than trademark-search, which adds phonetic matching, plurals, cross-references and regional phonetics for Central European and Japanese marks.

Why does the connector return trademark IDs instead of trademark details?

Because search and retrieval are deliberately separate calls. The search and knockout tools return IDs only, then trademark-content resolves up to 100 of them per call into registration numbers, statuses, classes, dates and applicants. Goods and services text needs a further trademark-goods call, one ID at a time.

Do I need a Clarivate subscription to use the CompuMark MCP server?

Yes. The endpoint returned an authentication challenge to an anonymous request on 2026-08-22, and Anthropic's directory records the server as requiring auth. Sign-in runs through Clarivate's own authorization server on ipone.clarivate.com, so access follows your existing IPOne CompuMark entitlement rather than a self-service signup.

Sources

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