Verilex Data

Instructions

Implementation Reference

• src/tools/patents.ts:31-110 (handler)

  Registration and handler implementation for the query_patents tool.

  server.registerTool(
    "query_patents",
    {
      title: "Query Patents",
      description:
        "Search US patents from the USPTO PatentsView database. Filter by patent title, " +
        "assignee organization, inventor name, CPC section, patent type, and grant date range. " +
        "Source: USPTO PatentsView API, updated weekly.",
      inputSchema: {
        patent_title: z
          .string()
          .optional()
          .describe("Patent title keyword search (partial match)"),
        assignee: z
          .string()
          .optional()
          .describe("Assignee organization name (partial match, e.g. 'Google')"),
        inventor: z
          .string()
          .optional()
          .describe("Inventor name (partial match, e.g. 'Smith')"),
        cpc_section: z
          .string()
          .optional()
          .describe("CPC section letter (A=Human Necessities, B=Operations, C=Chemistry, " +
            "D=Textiles, E=Fixed Constructions, F=Mechanical Engineering, G=Physics, H=Electricity)"),
        patent_type: z
          .string()
          .optional()
          .describe("Patent type: utility, design, plant, reissue"),
        date_from: z
          .string()
          .optional()
          .describe("Start date for patent grant (YYYY-MM-DD)"),
        date_to: z
          .string()
          .optional()
          .describe("End date for patent grant (YYYY-MM-DD)"),
        limit: z
          .number()
          .int()
          .min(1)
          .max(100)
          .optional()
          .describe("Maximum results to return (default 25, max 100)"),
      },
    },
    async ({ patent_title, assignee, inventor, cpc_section, patent_type, date_from, date_to, limit }) => {
      const res = await apiGet<PatentQueryResponse>("/api/v1/patents", {
        patent_title,
        assignee,
        inventor,
        cpc_section,
        patent_type,
        date_from,
        date_to,
        limit: limit ?? 25,
      });
  
      if (!res.ok) {
        return {
          content: [
            {
              type: "text" as const,
              text: `API error (${res.status}): ${JSON.stringify(res.data)}`,
            },
          ],
          isError: true,
        };
      }
  
      const { count, data } = res.data;
      const summary = `Found ${count} patent(s).`;
      const json = JSON.stringify(data, null, 2);
  
      return {
        content: [{ type: "text" as const, text: `${summary}\n\n${json}` }],
      };
    },
  );