get_similar_marks
Find USPTO trademarks similar to a given mark name. Uses examiner-style knockout search with phonetic, trigram, and component matching to identify potential conflicts. Returns similarity_score (mark-only similarity) and confusion_score (blended mark + commercial overlap). Useful for trademark cle...
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What get_similar_marks does on GleanMark Trademark Search
AI agents call get_similar_marks to retrieve information from GleanMark Trademark Search without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | integer | — | Maximum number of similar marks to return |
mark_text | string | Yes | Trademark name to find similar marks for |
include_dead | boolean | — | Include dead/abandoned trademarks in results |
nice_classes | array | — | Filter by Nice Classification classes (similar marks in same classes are higher risk) |
Parameters from the server's own tool schema.
Why get_similar_marks is rated Low
This tool retrieves and analyzes existing public trademark data without modifying, deleting, or executing operations with external side effects. The search functionality (phonetic matching, trigram matching, component matching) operates on read-only USPTO data. While the output informs business decisions, the tool itself only queries and returns analytical results.
From the tool's definition Tool performs search and retrieval operations ('Find USPTO trademarks similar to a given mark name', 'returns similarity_score and confusion_score').
Attacks that exploit this kind of access
The rule that runs get_similar_marks safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GleanMark Trademark Search, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_similar_marks, this is the rule to start with:
get_similar_marks is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect GleanMark Trademark Search, apply this rule, and every get_similar_marks call is checked against it from then on.
Questions about get_similar_marks
Find USPTO trademarks similar to a given mark name. Uses examiner-style knockout search with phonetic, trigram, and component matching to identify potential conflicts. Returns similarity_score (mark-only similarity) and confusion_score (blended mark + commercial overlap). Useful for trademark clearance searches. It is categorised as a Read tool in the GleanMark Trademark Search MCP Server, which means it retrieves data without modifying state.
get_similar_marks accepts 4 parameters: limit, mark_text, include_dead, nice_classes. Required: mark_text. The full parameter table on this page comes from the server's own tool schema.
Register the GleanMark Trademark Search MCP server in PolicyLayer and add a rule for get_similar_marks: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches GleanMark Trademark Search. Nothing to install.
get_similar_marks is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_similar_marks rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_similar_marks. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_similar_marks is provided by the GleanMark Trademark Search MCP server (https://gleanmark.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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