---
title: "P033 Standard Essential Patent (SEP)"
method: GET
path: "/advanced-patent-data/sep-data"
tags: ["Patent Legal Data"]
---

# P033 Standard Essential Patent (SEP)

`GET /advanced-patent-data/sep-data`

## Request

- Base URL: `https://connect.patsnap.com`
- URL: `https://connect.patsnap.com/advanced-patent-data/sep-data`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/docs/advanced-patent-data/sep-data/get.ts> (a function with typed inputs; its response is checked against the schema)

Receive SEP (Standard Essential Patent) data by patent_id or patent_number. This includes data source, standard ID, version, declaration date, title, and projects.

## Query parameters

- `patent_id` string: patent_id
- `patent_number` string: patent_number

## Response `200`

Successful p033 standard essential patent (sep) response.

- P033AdvancedPatentDataSepDataResponse
  - `data` P033AdvancedPatentDataSepDataPatentSepDataResponse[]: response data
    - `pn` string: patent number
    - `patent_id` string: patent id
    - `patsnap_sep_data` P033AdvancedPatentDataSepDataPatsnapSepData[]: sep data
      - `title` string: Title
      - `version` string: Standard version
      - `projects` unknown[]: Projects
        - unknown
      - `sep_source` string: Standard data source
      - `standard_id` string: Standard id
      - `declaration_date` integer: Declaration date
  - `status` boolean, required: Status
  - `error_msg` string: Error Message
  - `error_code` integer, required: Error Code

## Other responses

- `401`: Unauthorized.
- `403`: Forbidden.
- `404`: Not Found.

---

[API](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api.md) - [All operations](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/llms.txt) - [OpenAPI document](https://skmtc.dev/patsnap/apis/patsnap-open-platform-api/revisions/c2264a0de595?raw)