patent-search
Search 100M+ patents via the MCP server's BigQuery tools. No standalone scripts; everything goes through the MCP tools registered by the patent-creator server.
What this skill does
# Patent Search Skill This skill points Claude at the BigQuery patent-search tools registered by the patent-creator MCP server. Call the tools directly; do not shell out to Python. ## When to use - Find prior art by keyword, classification, or family. - Pull full patent records (title, abstract, claims, description) for US patents. - Cross-reference an EP/WO patent into its US family member to get full text. ## Available MCP tools | Tool | What it does | |------|--------------| | `search_patents_bigquery` | Keyword search across abstract / title / claims (US only for claims). | | `get_patent_bigquery` | Full patent details by publication number. | | `search_patents_by_cpc_bigquery` | Search by CPC classification prefix. | | `search_patents_by_ipc_bigquery` | Search by IPC classification prefix (good for older or non-US patents). | | `search_patent_family_bigquery` | All publications sharing a family ID across jurisdictions. | | `check_bigquery_status` | Verify auth and quota project before a long workflow. | ## Cost notes BigQuery on-demand pricing is $6.25 / TiB (1 TiB free per month). The MCP server enforces a per-query bytes-billed ceiling, defaulting to 25 GiB. Override via `PATENT_BIGQUERY_MAX_BYTES_BILLED` if you need a larger scan window. ## Choosing keywords - 2-3 keywords work better than long phrases (BigQuery `LIKE` matching is literal). - For non-US patents, `claims` is empty in the dataset; the MCP keyword tool already searches title/abstract for those jurisdictions. For full text on EP/WO, use the EPO OPS tools instead. - Use `search_patent_family_bigquery` to bridge from an EP/WO hit to its US family member when you need claims. ## Common workflows **Prior art sweep:** 1. `search_patents_bigquery(query=…, country="US")` — broad scan. 2. Pick the top hits' CPC codes from `get_patent_bigquery`. 3. `search_patents_by_cpc_bigquery(cpc_code=…)` — pull adjacent technology. **Cross-jurisdiction lookup:** 1. `search_patents_bigquery(query=…, country="EP")`. 2. For any EP hit, `get_patent_bigquery` to get its `family_id`. 3. `search_patent_family_bigquery(family_id=…)` to find the US member with full claims.
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