---
title: "How does this art unit prosecute: allowance rate, time to first action, RCE and appeal rates"
method: GET
path: "/v1/art-units/{art_unit}/stats"
tags: ["patent status"]
---

# How does this art unit prosecute: allowance rate, time to first action, RCE and appeal rates

`GET /v1/art-units/{art_unit}/stats`

## Request

- Base URL: `https://api.patentdata.ai`
- URL: `https://api.patentdata.ai/v1/art-units/{art_unit}/stats`
- Auth: one of:
  - API key in header `X-API-KEY`
  - HTTP bearer

Answers: what does prosecution look like in this USPTO art unit (groupArtUnitNumber, e.g. 2857). Same metrics as /v1/examiners/{name}/stats aggregated over every application in the art unit, plus `examiners` (distinct count). 404 not_found for an unknown art unit.

## Path parameters

- `art_unit` string, required: USPTO art unit number, e.g. 2857.

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/patentdata/apis/patent-status-api.md) · [All operations](https://skmtc.dev/patentdata/apis/patent-status-api/llms.txt) · [OpenAPI document](https://skmtc.dev/patentdata/apis/patent-status-api/revisions/320133a82b42?raw)