USPTO Trademark Search API

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
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: '2026-05-03'
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
    name: USPTO Trademark Search API Endpoints
    description: >-
      The core API for accessing USPTO trademark data, offering various search and
      retrieval functionalities including keyword search, availability check, serial
      number lookups, owner searches, and database status information. It supports
      batch processing and pagination.
    tags:
      - Brand Protection
      - Data Retrieval
      - Legal Research
      - Trademark Search
      - USPTO Data
    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
    baseURL: https://uspto-trademark.p.rapidapi.com
    humanURL: https://rapidapi.com/pentium10/api/uspto-trademark
    contact:
      - FN: MartonKodok
        email: [email protected]
        X-twitter: martonkodok
    properties:
      - url: https://rapidapi.com/pentium10/api/uspto-trademark
        type: Documentation
      - url: https://rapidapi.com/pentium10/api/uspto-trademark/tutorials/faq-
        type: FAQ
      - url: https://rapidapi.com/pentium10/api/uspto-trademark/pricing
        type: Pricing
      - url: https://medium.com/p/71274363605b
        type: Blog
        description: USPTO Trademark API — Search trademark & owner database — part 1
      - url: https://medium.com/p/19efc7e1cc6
        type: Blog
        description: >-
          Implementing trademark availability and search using USPTO Trademark
          API — part 2
      - url: https://rapidapi.com/pentium10/api/uspto-trademark#endpoints
        type: StatusPage
        description: >-
          Database freshness and update information available via
          /v1/databaseStatus endpoint.
      - url: https://rapidapi.com/terms/
        type: TermsOfService
      - type: OpenAPI
        url: openapi/uspto-trademark-search-api-openapi.yml
      - 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:
  - 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: JSON-LD
    url: json-ld/uspto-trademark-search-api-context.jsonld
  - type: Vocabulary
    url: vocabulary/uspto-trademark-search-api-vocabulary.yml
  - type: NaftikoCapability
    url: capabilities/trademark-research.yaml
maintainers:
  - FN: MartonKodok
    email: [email protected]
    X-twitter: martonkodok