# USPTO Assignments API

**Canonical:** https://apis.io/apis/uspto/uspto-assignments-api/  
**Provider:** USPTO — https://apis.io/providers/uspto/  
**Base URL:** https://data.uspto.gov/api/v1  
**Documentation:** https://developer.uspto.gov/

USPTO Assignments API is one of 5 APIs that [USPTO](https://apis.io/providers/uspto/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 1 JSON Schema definition. Tagged areas include Assignments. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and 1 JSON Schema.

Patent assignment records

## Machine-readable artifacts (8)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/uspto/refs/heads/main/openapi/uspto-assignments-api-openapi.yml
- **Documentation** — https://developer.uspto.gov/
- **Reference** — https://developer.uspto.gov/api-catalog
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/uspto/refs/heads/main/json-schema/uspto-patent-schema.json
- **Documentation** — https://data.uspto.gov/ptab
- **Documentation** — https://developer.uspto.gov/swagger/tsdr-api-v1
- **Documentation** — https://developer.uspto.gov/ds-api-docs/index.html?url=https%3A//developer.uspto.gov/ds-api/swagger/docs/oa_actions.json
- **Documentation** — 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

## Other USPTO APIs (4)

- [USPTO Patent Assignment Search API](https://apis.io/apis/uspto/assignment-search-api/)
- [USPTO Patents API](https://apis.io/apis/uspto/uspto-patents-api/)
- [USPTO PTAB API](https://apis.io/apis/uspto/uspto-ptab-api/)
- [USPTO Trademarks API](https://apis.io/apis/uspto/uspto-trademarks-api/)

## Tags

Assignments

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/uspto/uspto-assignments-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/uspto/.