patentsview_search_assignees
AI agents call patentsview_search_assignees to retrieve information from USPTO Patent MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches USPTO patent assignee data, which is a read operation that retrieves public patent records without modifying, executing code, or affecting any data. The absence of a description is mitigated by the clear context from sibling tools and the overall server purpose. Low severity because unauthorized access to public patent records poses minimal risk.
From the tool's definition Tool name 'patentsview_search_assignees' combined with sibling tools (get_citation_metrics, get_cpc_info, get_enriched_citations, get_office_action_text) that are clearly retrieval-focused.
Documented attack patterns abuse exactly the kind of access patentsview_search_assignees gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and USPTO Patent MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for patentsview_search_assignees:
{
"version": "1",
"default": "deny",
"tools": {
"patentsview_search_assignees": {}
}
}patentsview_search_assignees is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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patentsview_search_assignees. It is categorised as a Read tool in the USPTO Patent MCP Server MCP Server, which means it retrieves data without modifying state.
Register the USPTO Patent MCP Server MCP server in PolicyLayer and add a rule for patentsview_search_assignees: 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 USPTO Patent MCP Server. Nothing to install.
patentsview_search_assignees 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 patentsview_search_assignees 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 patentsview_search_assignees. 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.
patentsview_search_assignees is provided by the USPTO Patent MCP Server MCP server (riemannzeta/patent_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 61 USPTO Patent MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
61 USPTO Patent MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.