File size: 2,926 Bytes
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license: mit
configs:
- config_name: default
data_files:
- split: validation
path: data/validation-*
dataset_info:
features:
- name: patent_number
dtype: string
- name: decision
dtype: string
- name: title
dtype: string
- name: abstract
dtype: string
- name: claims
dtype: string
- name: background
dtype: string
- name: summary
dtype: string
- name: description
dtype: string
- name: cpc_label
dtype: string
- name: ipc_label
dtype: string
- name: filing_date
dtype: string
- name: patent_issue_date
dtype: string
- name: date_published
dtype: string
- name: examiner_id
dtype: string
- name: cpc
dtype: string
- name: cpc-section
dtype: string
- name: cpc-class
dtype: string
- name: cpc-subclass
dtype: string
- name: cpc-group
dtype: string
- name: cpc-subgroup
dtype: string
- name: ipc
dtype: string
- name: ipc-section
dtype: string
- name: ipc-class
dtype: string
- name: ipc-subclass
dtype: string
- name: ipc-group
dtype: string
- name: ipc-subgroup
dtype: string
- name: embeddings-abstract-jina-v4
list:
list: float64
- name: embeddings-abstract-qwen3-4b
list: float64
- name: embeddings-summary-qwen3-4b
list: float64
splits:
- name: validation
num_bytes: 2278699756
num_examples: 9094
download_size: 1439423072
dataset_size: 2278699756
---
# HUPD Jan 2016 (local sample) with CPC/IPC taxonomy columns
Each classification symbol is of the form A01B 1/00 (which represents "hand tools"). The first letter represents the "section" consisting of a letter from A ("Human Necessities") to H ("Electricity"). Combined with a two digit number, it represents the "class" (class A01 represents "Agriculture; forestry; animal husbandry; trapping; fishing"). The final letter makes up the "subclass" (subclass A01B represents "Soil working in agriculture or forestry; parts, details, or accessories of agricultural machines or implements, in general"). The subclass is followed by a one-to-three-digit "group" number, an oblique stroke and a number of at least two digits representing a "main group" or "subgroup". A patent examiner assigns classification symbols to patent application or other document in accordance with classification rules, and generally at the most detailed level which is applicable to its conten
## Added columns
For both CPC and IPC, we add semantic hierarchy columns derived from the compact string codes in HUPD:
- `cpc`, `cpc-section`, `cpc-class`, `cpc-subclass`, `cpc-group`, `cpc-subgroup`
- `ipc`, `ipc-section`, `ipc-class`, `ipc-subclass`, `ipc-group`, `ipc-subgroup`
Notes:
- HUPD stores compact strings (e.g. `G06F30416`) rather than `A01B 1/00`. We derive group/subgroup by splitting trailing digits as `group_digits` + last-two-digits `subgroup_digits` (e.g. `304/16`).
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