Patent by Ouroboros Apps
USPTO patent search and prior art lookup. Not legal advice
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"patent": {
"url": "https://patent-mcp.vercel.app/mcp"
}
}
}Remote endpoints
https://patent-mcp.vercel.app/mcpstreamable-httpWhat it can do
Tool inventory
Tools (4)
🟢search_patents(keywords, claims, cpc, assignee, inventor, ...)
Search public US patent records by keywords, claim language, CPC class, assignee, inventor, or grant date. Every number in the result was returned by USPTO. Not legal advice.
Input Schema
{
"type": "object",
"properties": {
"keywords": {
"type": "string",
"maxLength": 400,
"description": "Words to find in the application or title and abstract."
},
"claims": {
"type": "string",
"maxLength": 2000,
"description": "Claim language. USPTO matches these words across the file wrapper."
},
"cpc": {
"type": "string",
"maxLength": 30,
"description": "CPC symbol, such as H04L or C07H19/207."
},
"assignee": {
"type": "string",
"maxLength": 200,
"description": "Applicant or assignee name."
},
"inventor": {
"type": "string",
"maxLength": 200,
"description": "Inventor name."
},
"dateFrom": {
"type": "string",
"maxLength": 10,
"description": "Grant or publication date from, YYYY-MM-DD."
},
"dateTo": {
"type": "string",
"maxLength": 10,
"description": "Grant or publication date to, YYYY-MM-DD."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 25,
"description": "Maximum hits, 1 to 25."
}
},
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢get_patent(patentNumber)
Fetch one US patent's title, abstract, claims, status, family, and citations from USPTO. Missing text is omitted rather than filled in. Not legal advice.
Input Schema
{
"type": "object",
"properties": {
"patentNumber": {
"type": "string",
"minLength": 4,
"maxLength": 32,
"description": "US patent or publication number, such as US10000000 or 10000000."
}
},
"required": [
"patentNumber"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢find_patent_citations(patentNumber, direction)
List documents cited by a US patent and documents that cite it, using USPTO grant references and USPTO office-action citations. The PatentsView citation graph is paused. Not legal advice.
Input Schema
{
"type": "object",
"properties": {
"patentNumber": {
"type": "string",
"minLength": 4,
"maxLength": 32,
"description": "Patent or publication number."
},
"direction": {
"type": "string",
"enum": [
"citing",
"cited_by",
"both"
],
"description": "citing: documents that cite this patent. cited_by: documents this patent cites. both is the default."
}
},
"required": [
"patentNumber"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢search_prior_art(idea, limit)
Turn an idea description into a public-patent search and return the closest records the offices actually returned, with Google Patents links. Ranking counts overlapping words. It is not a patentability opinion. Not legal advice.
Input Schema
{
"type": "object",
"properties": {
"idea": {
"type": "string",
"minLength": 20,
"maxLength": 4000,
"description": "What the invention is, in plain language."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 25,
"description": "Maximum patents to return."
}
},
"required": [
"idea"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}Community
Evidence