USPTO Trademark Search API

Instant trademark search and brand protection via the USPTO Trademark Search API. Check if a trademark keyword is available, search active trademarks, look up marks by serial number, and search by owner from United States Patent and Trademark Office data. Updated daily. Enables trademark availability checking, portfolio research, competitive intelligence, and due diligence workflows.

USPTO Trademark Search API publishes 5 APIs on the APIs.io network, including Database Status API, Owner Search API, Trademark Availability API, and 2 more. Tagged areas include Brand, Brand Protection, Business, Data, and Government Data.

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

USPTO Trademark Search API’s developer surface includes authentication, signup flow, documentation, pricing, FAQ, engineering blog, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

60.0/100 strong ▬ flat Agent 37/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

5 APIs

BrandBrand ProtectionBusinessDataGovernment DataIntellectual PropertyLegalSearchTrademarkUSPTO

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 60.0/100 · strong

Contract Quality 19.6 / 25

Developer Ergonomics 5.2 / 20

Commercial Clarity 14.7 / 20

Operational Transparency 4.8 / 13

Governance 8.3 / 12

Discoverability 7.4 / 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-trademark-search-api: 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.

Rate Limits 1

Documented rate limits and quota policies.

Uspto Trademark Search Api Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

JSON Schema 1

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

Examples 4

Example request and response payloads for these APIs.

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Signup

Signup

Login

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

SpectralRules

SpectralRules

JSONLD

JSONLD

Vocabulary

Vocabulary

Build 2

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

PostmanWorkspace

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

FAQ

FAQ

Commercial 2

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

Company 3

The organization behind the API

Blog

Blog

Blog

Blog

Twitter

Twitter

Source (apis.yml)

aid: uspto-trademark-search-api
name: USPTO Trademark Search API
description: Instant trademark search and brand protection via the USPTO Trademark Search API. Check if a trademark keyword
  is available, search active trademarks, look up marks by serial number, and search by owner from United States Patent and
  Trademark Office data. Updated daily. Enables trademark availability checking, portfolio research, competitive intelligence,
  and due diligence workflows.
type: Collection
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://rapidapi.com/hub/_next/image?url=https%3A%2F%2Frapidapi-prod-apis.s3.amazonaws.com%2F9440240c-7bf2-4af0-8232-375b0bb7327f_medium&w=1920&q=75
access: Public
tags:
- Brand
- Brand Protection
- Business
- Data
- Government Data
- Intellectual Property
- Legal
- Search
- Trademark
- USPTO
created: '2025-05-27'
modified: '2026-05-19'
specificationVersion: '0.19'
url: https://raw.githubusercontent.com/api-evangelist/uspto-trademark-search-api/refs/heads/main/apis.yml
position: Provider
apis:
- aid: uspto-trademark-search-api:uspto-trademark-search-api-database-status-api
  name: USPTO Trademark Search API Database Status API
  description: Database freshness and update information
  humanURL: https://rapidapi.com/pentium10/api/uspto-trademark
  baseURL: https://uspto-trademark.p.rapidapi.com
  tags:
  - Database Status
  properties:
  - type: OpenAPI
    url: openapi/uspto-trademark-search-api-database-status-api-openapi.yml
  - type: Documentation
    url: https://rapidapi.com/pentium10/api/uspto-trademark
  - type: FAQ
    url: https://rapidapi.com/pentium10/api/uspto-trademark/tutorials/faq-
  - type: Pricing
    url: https://rapidapi.com/pentium10/api/uspto-trademark/pricing
  - type: Blog
    url: https://medium.com/p/71274363605b
  - type: Blog
    url: https://medium.com/p/19efc7e1cc6
  - type: StatusPage
    url: https://rapidapi.com/pentium10/api/uspto-trademark#endpoints
  - type: TermsOfService
    url: https://rapidapi.com/terms/
  - type: JSONSchema
    url: json-schema/uspto-trademark-search-api-trademark-schema.json
  - type: JSONStructure
    url: json-structure/uspto-trademark-search-api-trademark-structure.json
- aid: uspto-trademark-search-api:uspto-trademark-search-api-owner-search-api
  name: USPTO Trademark Search API Owner Search API
  description: Search trademarks by owner name
  humanURL: https://rapidapi.com/pentium10/api/uspto-trademark
  baseURL: https://uspto-trademark.p.rapidapi.com
  tags:
  - Owner Search
  properties:
  - type: OpenAPI
    url: openapi/uspto-trademark-search-api-owner-search-api-openapi.yml
  - type: Documentation
    url: https://rapidapi.com/pentium10/api/uspto-trademark
  - type: FAQ
    url: https://rapidapi.com/pentium10/api/uspto-trademark/tutorials/faq-
  - type: Pricing
    url: https://rapidapi.com/pentium10/api/uspto-trademark/pricing
  - type: Blog
    url: https://medium.com/p/71274363605b
  - type: Blog
    url: https://medium.com/p/19efc7e1cc6
  - type: StatusPage
    url: https://rapidapi.com/pentium10/api/uspto-trademark#endpoints
  - type: TermsOfService
    url: https://rapidapi.com/terms/
  - type: JSONSchema
    url: json-schema/uspto-trademark-search-api-trademark-schema.json
  - type: JSONStructure
    url: json-structure/uspto-trademark-search-api-trademark-structure.json
- aid: uspto-trademark-search-api:uspto-trademark-search-api-trademark-availability-api
  name: USPTO Trademark Search API Trademark Availability API
  description: Check if a trademark is available for registration
  humanURL: https://rapidapi.com/pentium10/api/uspto-trademark
  baseURL: https://uspto-trademark.p.rapidapi.com
  tags:
  - Trademark Availability
  properties:
  - type: OpenAPI
    url: openapi/uspto-trademark-search-api-trademark-availability-api-openapi.yml
  - type: Documentation
    url: https://rapidapi.com/pentium10/api/uspto-trademark
  - type: FAQ
    url: https://rapidapi.com/pentium10/api/uspto-trademark/tutorials/faq-
  - type: Pricing
    url: https://rapidapi.com/pentium10/api/uspto-trademark/pricing
  - type: Blog
    url: https://medium.com/p/71274363605b
  - type: Blog
    url: https://medium.com/p/19efc7e1cc6
  - type: StatusPage
    url: https://rapidapi.com/pentium10/api/uspto-trademark#endpoints
  - type: TermsOfService
    url: https://rapidapi.com/terms/
  - type: JSONSchema
    url: json-schema/uspto-trademark-search-api-trademark-schema.json
  - type: JSONStructure
    url: json-structure/uspto-trademark-search-api-trademark-structure.json
- aid: uspto-trademark-search-api:uspto-trademark-search-api-trademark-lookup-api
  name: USPTO Trademark Search API Trademark Lookup API
  description: Retrieve trademark details by serial number
  humanURL: https://rapidapi.com/pentium10/api/uspto-trademark
  baseURL: https://uspto-trademark.p.rapidapi.com
  tags:
  - Trademark Lookup
  properties:
  - type: OpenAPI
    url: openapi/uspto-trademark-search-api-trademark-lookup-api-openapi.yml
  - type: Documentation
    url: https://rapidapi.com/pentium10/api/uspto-trademark
  - type: FAQ
    url: https://rapidapi.com/pentium10/api/uspto-trademark/tutorials/faq-
  - type: Pricing
    url: https://rapidapi.com/pentium10/api/uspto-trademark/pricing
  - type: Blog
    url: https://medium.com/p/71274363605b
  - type: Blog
    url: https://medium.com/p/19efc7e1cc6
  - type: StatusPage
    url: https://rapidapi.com/pentium10/api/uspto-trademark#endpoints
  - type: TermsOfService
    url: https://rapidapi.com/terms/
  - type: JSONSchema
    url: json-schema/uspto-trademark-search-api-trademark-schema.json
  - type: JSONStructure
    url: json-structure/uspto-trademark-search-api-trademark-structure.json
- aid: uspto-trademark-search-api:uspto-trademark-search-api-trademark-search-api
  name: USPTO Trademark Search API Trademark Search API
  description: Search trademarks by keyword or phrase
  humanURL: https://rapidapi.com/pentium10/api/uspto-trademark
  baseURL: https://uspto-trademark.p.rapidapi.com
  tags:
  - Trademark Search
  properties:
  - type: OpenAPI
    url: openapi/uspto-trademark-search-api-trademark-search-api-openapi.yml
  - type: Documentation
    url: https://rapidapi.com/pentium10/api/uspto-trademark
  - type: FAQ
    url: https://rapidapi.com/pentium10/api/uspto-trademark/tutorials/faq-
  - type: Pricing
    url: https://rapidapi.com/pentium10/api/uspto-trademark/pricing
  - type: Blog
    url: https://medium.com/p/71274363605b
  - type: Blog
    url: https://medium.com/p/19efc7e1cc6
  - type: StatusPage
    url: https://rapidapi.com/pentium10/api/uspto-trademark#endpoints
  - type: TermsOfService
    url: https://rapidapi.com/terms/
  - type: JSONSchema
    url: json-schema/uspto-trademark-search-api-trademark-schema.json
  - type: JSONStructure
    url: json-structure/uspto-trademark-search-api-trademark-structure.json
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/uspto-trademark-search-api/overview
- type: AgenticAccess
  url: agentic-access/uspto-trademark-search-api-agentic-access.yml
- type: DomainSecurity
  url: security/uspto-trademark-search-api-domain-security.yml
- type: Authentication
  url: authentication/uspto-trademark-search-api-authentication.yml
- type: GitHubOrganization
  url: https://github.com/USPTO
- url: https://rapidapi.com/pentium10/api/uspto-trademark/
  type: Signup
- url: https://rapidapi.com/developer/dashboard
  type: Login
- url: https://rapidapi.com/pentium10/api/uspto-trademark
  type: Documentation
- url: https://rapidapi.com/pentium10/api/uspto-trademark/pricing
  type: Pricing
- url: https://rapidapi.com/pentium10/api/uspto-trademark/tutorials/faq-
  type: FAQ
- url: https://medium.com/p/71274363605b
  type: Blog
- url: https://medium.com/p/19efc7e1cc6
  type: Blog
- url: https://rapidapi.com/terms/
  type: TermsOfService
- url: https://twitter.com/martonkodok
  type: Twitter
- type: SpectralRules
  url: rules/uspto-trademark-search-api-rules.yml
- type: JSONLD
  url: json-ld/uspto-trademark-search-api-context.jsonld
- type: Vocabulary
  url: vocabulary/uspto-trademark-search-api-vocabulary.yml
maintainers:
- FN: MartonKodok
  email: android482-one@yahoo.com
  X-twitter: martonkodok

USPTO Trademark Search API

APIs 5

Postman Collections 5

Open Collections 1

Pricing Plans 1