USPTO Trademark Search API Trademark Availability API

openapi: 3.2.0
info:
  title: USPTO Trademark Search Database Status Trademark Availability API
  description: The USPTO Trademark Search API provides access to United States Patent and Trademark Office trademark data via RapidAPI. It enables developers to search active trademarks by keyword, check trademark availability, perform serial number lookups, search by owner, and retrieve database status information. The API is maintained by MartonKodok and updated daily from USPTO data. Supports batch processing and pagination for high-volume trademark research.
  version: '1.0'
  contact:
    name: MartonKodok
    email: android482-one@yahoo.com
    x-twitter: martonkodok
  x-rapidapi-collection: https://rapidapi.com/pentium10/api/uspto-trademark
servers:
- url: https://uspto-trademark.p.rapidapi.com
  description: USPTO Trademark Search API via RapidAPI
security:
- RapidAPIKey: []
tags:
- name: Trademark Availability
  description: Check if a trademark is available for registration
paths:
  /v1/trademarkAvailable/{keyword}:
    get:
      operationId: checkTrademarkAvailability
      summary: Check Trademark Availability
      description: Checks whether a trademark keyword is available for registration by searching for identical or confusingly similar marks in the USPTO database. Returns availability status and any conflicting marks found.
      tags:
      - Trademark Availability
      parameters:
      - name: keyword
        in: path
        required: true
        description: The trademark keyword to check for availability
        schema:
          type: string
        example: novabrand
      responses:
        '200':
          description: Trademark availability check result
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TrademarkAvailabilityResponse'
        '400':
          description: Invalid keyword
        '401':
          description: Invalid or missing RapidAPI key
components:
  schemas:
    TrademarkAvailabilityResponse:
      type: object
      properties:
        keyword:
          type: string
          description: The keyword that was checked
        available:
          type: boolean
          description: Whether the keyword appears to be available for trademark registration
        conflictingMarks:
          type: array
          items:
            $ref: '#/components/schemas/TrademarkSummary'
          description: List of existing marks that may conflict with the keyword
    TrademarkSummary:
      type: object
      properties:
        serialNumber:
          type: string
          description: USPTO trademark serial number
        registrationNumber:
          type: string
          nullable: true
          description: USPTO registration number (if registered)
        wordMark:
          type: string
          description: The text of the trademark
        status:
          type: string
          description: Current status of the trademark
        statusCode:
          type: string
          description: USPTO status code
        filingDate:
          type: string
          format: date
          description: Date the application was filed
        registrationDate:
          type: string
          format: date
          nullable: true
          description: Date the trademark was registered
        ownerName:
          type: string
          description: Name of the trademark owner
        goodsAndServices:
          type: string
          description: Description of goods and services
        internationalClasses:
          type: array
          items:
            type: integer
          description: International Nice Classification class numbers
  securitySchemes:
    RapidAPIKey:
      type: apiKey
      in: header
      name: X-RapidAPI-Key
      description: RapidAPI subscription key