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GET
Get Design Code

Overview

Returns a single Vienna classification code along with any child codes at the next depth level. Use this when navigating the Vienna hierarchy interactively (e.g. drill down from 03 to 03.05 to 03.05.01).

Path Parameters

string
required
Vienna code at any depth: 03 (category), 03.05 (division), 03.05.01 (section). The undotted form (030501) and unpadded segments (3.5.1) are also accepted and normalized.

Response

This endpoint is publicly cacheable, so the response never includes request_id.
string
The requested Vienna code, normalized to the zero-padded dotted form.
string
Always design_code.
string
Two-digit category code (e.g. 03).
string | null
Division-level code (e.g. 03.05). null for depth-1 codes.
string | null
Section-level code (e.g. 03.05.01). null for depth-1 and depth-2 codes.
integer
Depth (1, 2, or 3).
string
Description text.
string | null
Additional Vienna notes when published by WIPO.
object[]
Child codes at the next depth, each with code, description, and depth. Empty for depth-3 (leaf) codes.

Code Examples

Errors