PatSnap/design-fto-bench

PatSnap Design FTO Bench

PatSnap Design FTO Bench is a dataset for design patent Freedom-To-Operate (FTO) image retrieval. Each example contains a query image and a list of annotated target patent publication numbers. The dataset has one test split with 80 examples. Query images are embedded in data/test.parquet.

Dataset Overview

Property	Value
Test examples	80
Jurisdictions	CN: 40; EU: 40
Query images	80 embedded PNGs
Target patent numbers	98 entries across 80 examples
Picture type	Invalidation Proceedings
query_pn availability	Present in 53 examples; null in 27
License	CC BY-NC 4.0

Quick Start

from datasets import load_dataset

ds = load_dataset("PatSnap/design-fto-bench", split="test")
print(len(ds))  # 80

sample = ds[0]
image = sample["query_img_path"]  # PIL image
print(image.size, sample["target_pns"], sample["jurisdiction"])

Data Fields

Field	Type	Description
query_pn	nullable string	Query patent publication number, if available
query_img_path	image	Query PNG embedded in the Parquet file
target_pns	list[string]	Annotated target patent publication numbers
picture_type	string	Picture type recorded for the example
loc	string	First-level Locarno classification
sub_loc	string	More specific Locarno classification
jurisdiction	list[string]	Jurisdiction codes (["CN"] or ["EU"])

Citation

@dataset{patsnap_design_fto_bench_2026,
  title  = {PatSnap Design FTO Bench},
  author = {PatSnap},
  year   = {2026},
  url    = {https://huggingface.co/datasets/PatSnap/design-fto-bench},
  note   = {Design patent FTO image retrieval dataset}
}

License

Released under CC BY-NC 4.0 for research and non-commercial evaluation.