Find all patent publications sharing a family ID across jurisdictions. Patent families link related patents filed in multiple countries. Use this to: - Find the US family member of an EP/WO patent (for full claims text) - Map an invention's worldwide patent coverage - Cross-reference prior art ac...
AI agents call search_patent_family_bigquery to retrieve information from Claude Patent Creator without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries a BigQuery database to retrieve patent family information across jurisdictions. It performs no write operations, does not delete or destroy data, does not execute arbitrary code or shell commands, and does not involve financial transactions. The action is read-only data retrieval, fitting the 'Read' category (search, query, fetch).
From the tool's definition Tool name and description indicate it 'Find[s] all patent publications sharing a family ID' and 'Cross-reference[s] prior art across jurisdictions' — purely data retrieval operations without modification, deletion, or execution of external code.
Documented attack patterns abuse exactly the kind of access search_patent_family_bigquery gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Claude Patent Creator, and nothing reaches the server without passing your rules. This is the rule we recommend for search_patent_family_bigquery:
{
"version": "1",
"default": "deny",
"tools": {
"search_patent_family_bigquery": {}
}
}search_patent_family_bigquery is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Find all patent publications sharing a family ID across jurisdictions. Patent families link related patents filed in multiple countries. Use this to: - Find the US family member of an EP/WO patent (for full claims text) - Map an invention's worldwide patent coverage - Cross-reference prior art across jurisdictions Args: family_id: Patent family identifier (from get_patent_bigquery results) limit: Maximum results (default 50, max 100) Returns: List of related patents across all jurisdictions with country codes. It is categorised as a Read tool in the Claude Patent Creator MCP Server, which means it retrieves data without modifying state.
Register the Claude Patent Creator MCP server in PolicyLayer and add a rule for search_patent_family_bigquery: 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 Claude Patent Creator. Nothing to install.
search_patent_family_bigquery 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 search_patent_family_bigquery 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 search_patent_family_bigquery. 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.
search_patent_family_bigquery is provided by the Claude Patent Creator MCP server (robthepcguy/claude-patent-creator). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 30 Claude Patent Creator tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
30 Claude Patent Creator tools catalogued and risk-classified — across an index of 42,500+ MCP servers.