USPTO website screenshot

USPTO

The United States Patent and Trademark Office (USPTO) is the federal agency responsible for granting U.S. patents and registering trademarks. USPTO provides a suite of developer APIs through the Open Data Portal (developer.uspto.gov) and data.uspto.gov for programmatic access to patent applications, granted patents, PTAB trial proceedings, trademark status, patent assignments, office actions, and citation data. All USPTO APIs are open government data and return JSON and XML responses. An ODP API key is required for most endpoints.

USPTO publishes 4 APIs on the APIs.io network, including Assignments API, Patents API, PTAB API, and 1 more. Tagged areas include Government, Intellectual Property, Open Data, Patents, and Regulatory.

The USPTO catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

USPTO’s developer surface includes authentication, developer portal, documentation, getting-started guide, engineering blog, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub
50.7/100 developing ▬ flat Agent 37/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreeSelf serve⚡ Free to try
5 APIs
GovernmentIntellectual PropertyOpen DataPatentsRegulatoryTrademarksUSPTO

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 50.7/100 · developing
Contract Quality 18.5 / 25
Developer Ergonomics 8.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 3.4 / 13
Governance 8.3 / 12
Discoverability 6.5 / 10
Agent readiness — 37/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/uspto: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 5

Individual APIs this provider publishes, each with its own machine-readable definition.

USPTO Patent Assignment Search API

The USPTO Patent Assignment Search API retrieves patent assignment information including ownership transfers, recorded assignments, and assignment history for individual patents...

USPTO Assignments API

Patent assignment records

USPTO Patents API

Patent search and retrieval

USPTO PTAB API

Patent Trial and Appeal Board proceedings

USPTO Trademarks API

Trademark status and documents

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

USPTO Patent & Trademark API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Uspto Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Uspto Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Uspto Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Uspto Context

24 classes · 7 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

USPTO API Rules

6 rules · 4 warnings 2 info

SPECTRAL

USPTO API Rules

20 rules · 8 errors 9 warnings 3 info

SPECTRAL

JSON Schema 16

Standalone JSON Schema definitions for this provider's data models.

Assignee

5 properties

JSON SCHEMA

Assignment

7 properties

JSON SCHEMA

AssignmentSearchResponse

2 properties

JSON SCHEMA

Classification

3 properties

JSON SCHEMA

GrantedPatent

0 properties

JSON SCHEMA

Inventor

5 properties

JSON SCHEMA

USPTO Patent

16 properties

JSON SCHEMA

PatentApplication

12 properties

JSON SCHEMA

PatentSearchResponse

4 properties

JSON SCHEMA

PatentSummary

10 properties

JSON SCHEMA

ProsecutionEvent

4 properties

JSON SCHEMA

PTABDecisionSearchResponse

2 properties

JSON SCHEMA

PTABTrial

0 properties

JSON SCHEMA

PTABTrialSearchResponse

3 properties

JSON SCHEMA

PTABTrialSummary

9 properties

JSON SCHEMA

TrademarkStatus

13 properties

JSON SCHEMA

Scroll for all 16

JSON Structure 2

JSON Structure definitions describing this provider's data shapes.

Uspto Patent Structure

0 properties

JSON STRUCTURE

Uspto Structure

0 properties

JSON STRUCTURE

Examples 4

Example request and response payloads for these APIs.

Uspto Gettrademarkstatus Example

2 fields

EXAMPLE

Uspto Searchptabtrials Example

2 fields

EXAMPLE

Uspto Searchpatentapplications Example

2 fields

EXAMPLE

Uspto Searchpatentassignments Example

2 fields

EXAMPLE

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Uspto Authentication

apiKey · 1 scheme

SECURITY

Uspto Domain Security

TLSv1.2 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Uspto Agentic Access

8 operations

8 operations · 0 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Portal
Portal
 GettingStarted
GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 JSONSchema
JSONSchema

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

JSONLDContext
JSONLDContext
 JSONStructure
JSONStructure
 SpectralRules
SpectralRules
 Vocabulary
Vocabulary

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 DeveloperTools
DeveloperTools

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Commercial 1

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: uspto
name: USPTO
description: The United States Patent and Trademark Office (USPTO) is the federal agency responsible for granting U.S. patents
  and registering trademarks. USPTO provides a suite of developer APIs through the Open Data Portal (developer.uspto.gov)
  and data.uspto.gov for programmatic access to patent applications, granted patents, PTAB trial proceedings, trademark status,
  patent assignments, office actions, and citation data. All USPTO APIs are open government data and return JSON and XML responses.
  An ODP API key is required for most endpoints.
type: Index
accessModel:
  pricing: free
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Free · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://www.uspto.gov/sites/default/files/USPTO_Logo.png
tags:
- Government
- Intellectual Property
- Open Data
- Patents
- Regulatory
- Trademarks
- USPTO
url: https://raw.githubusercontent.com/api-evangelist/uspto/refs/heads/main/apis.yml
created: '2025-01-01'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: uspto:assignment-search-api
  name: USPTO Patent Assignment Search API
  description: The USPTO Patent Assignment Search API retrieves patent assignment information including ownership transfers,
    recorded assignments, and assignment history for individual patents and patent portfolios.
  tags:
  - Assignments
  - Government
  - Patents
  - Regulatory
  humanURL: https://developer.uspto.gov/api-catalog
  properties:
  - type: Documentation
    url: https://developer.uspto.gov/api-catalog
- aid: uspto:uspto-assignments-api
  name: USPTO Assignments API
  description: Patent assignment records
  humanURL: https://developer.uspto.gov/
  baseURL: https://data.uspto.gov/api/v1
  tags:
  - Assignments
  properties:
  - type: OpenAPI
    url: openapi/uspto-assignments-api-openapi.yml
  - type: Documentation
    url: https://developer.uspto.gov/
  - type: Reference
    url: https://developer.uspto.gov/api-catalog
  - type: JSONSchema
    url: json-schema/uspto-patent-schema.json
  - type: Documentation
    url: https://data.uspto.gov/ptab
  - type: Documentation
    url: https://developer.uspto.gov/swagger/tsdr-api-v1
  - type: Documentation
    url: https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/oa_actions.json
  - type: Documentation
    url: https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/enriched_cited_reference_metadata.json/V3
- aid: uspto:uspto-patents-api
  name: USPTO Patents API
  description: Patent search and retrieval
  humanURL: https://developer.uspto.gov/
  baseURL: https://data.uspto.gov/api/v1
  tags:
  - Patents
  properties:
  - type: OpenAPI
    url: openapi/uspto-patents-api-openapi.yml
  - type: Documentation
    url: https://developer.uspto.gov/
  - type: Reference
    url: https://developer.uspto.gov/api-catalog
  - type: JSONSchema
    url: json-schema/uspto-patent-schema.json
  - type: Documentation
    url: https://data.uspto.gov/ptab
  - type: Documentation
    url: https://developer.uspto.gov/swagger/tsdr-api-v1
  - type: Documentation
    url: https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/oa_actions.json
  - type: Documentation
    url: https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/enriched_cited_reference_metadata.json/V3
- aid: uspto:uspto-ptab-api
  name: USPTO PTAB API
  description: Patent Trial and Appeal Board proceedings
  humanURL: https://developer.uspto.gov/
  baseURL: https://data.uspto.gov/api/v1
  tags:
  - PTAB
  properties:
  - type: OpenAPI
    url: openapi/uspto-ptab-api-openapi.yml
  - type: Documentation
    url: https://developer.uspto.gov/
  - type: Reference
    url: https://developer.uspto.gov/api-catalog
  - type: JSONSchema
    url: json-schema/uspto-patent-schema.json
  - type: Documentation
    url: https://data.uspto.gov/ptab
  - type: Documentation
    url: https://developer.uspto.gov/swagger/tsdr-api-v1
  - type: Documentation
    url: https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/oa_actions.json
  - type: Documentation
    url: https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/enriched_cited_reference_metadata.json/V3
- aid: uspto:uspto-trademarks-api
  name: USPTO Trademarks API
  description: Trademark status and documents
  humanURL: https://developer.uspto.gov/
  baseURL: https://data.uspto.gov/api/v1
  tags:
  - Trademarks
  properties:
  - type: OpenAPI
    url: openapi/uspto-trademarks-api-openapi.yml
  - type: Documentation
    url: https://developer.uspto.gov/
  - type: Reference
    url: https://developer.uspto.gov/api-catalog
  - type: JSONSchema
    url: json-schema/uspto-patent-schema.json
  - type: Documentation
    url: https://data.uspto.gov/ptab
  - type: Documentation
    url: https://developer.uspto.gov/swagger/tsdr-api-v1
  - type: Documentation
    url: https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/oa_actions.json
  - type: Documentation
    url: https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/enriched_cited_reference_metadata.json/V3
common:
- type: AgenticAccess
  url: agentic-access/uspto-agentic-access.yml
- type: DomainSecurity
  url: security/uspto-domain-security.yml
- type: Authentication
  url: authentication/uspto-authentication.yml
- type: GitHubOrganization
  url: https://github.com/USPTO
- type: LinkedIn
  url: https://www.linkedin.com/company/uspto
- type: Portal
  url: https://developer.uspto.gov/
- type: Documentation
  url: https://developer.uspto.gov/
- type: GettingStarted
  url: https://developer.uspto.gov/api-catalog
- type: DeveloperTools
  url: https://data.uspto.gov/
- type: PrivacyPolicy
  url: https://www.uspto.gov/privacy-policy
- type: Website
  url: https://www.uspto.gov/
- type: JSONSchema
  url: json-schema/uspto-patent-schema.json
- type: JSONLDContext
  url: json-ld/uspto-context.jsonld
- type: JSONStructure
  url: json-structure/uspto-patent-structure.json
- type: SpectralRules
  url: rules/uspto-rules.yml
- type: Vocabulary
  url: vocabulary/uspto-vocabulary.yml
- url: https://www.uspto.gov/rss.xml
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com