opinions-metadata / README.md
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metadata
dataset_info:
  features:
    - name: opinion_id
      dtype: int64
    - name: opinion
      dtype: string
    - name: opinion_source
      dtype: string
    - name: opinion_word_count
      dtype: int64
    - name: opinion_date_created
      dtype: string
    - name: opinion_type
      dtype: string
    - name: opinion_extracted_by_ocr
      dtype: string
    - name: opinion_per_curiam
      dtype: string
    - name: cluster_id
      dtype: int64
    - name: cluster_judges
      dtype: string
    - name: cluster_nature_of_suit
      dtype: string
    - name: cluster_source
      dtype: string
    - name: cluster_blocked
      dtype: string
    - name: cluster_precedential_status
      dtype: string
    - name: cluster_citation_count
      dtype: int64
    - name: cluster_case_name
      dtype: string
    - name: cluster_case_name_short
      dtype: string
    - name: cluster_case_name_full
      dtype: string
    - name: cluster_summary
      dtype: string
    - name: cluster_history
      dtype: string
    - name: cluster_headmatter
      dtype: string
    - name: cluster_headnotes
      dtype: string
    - name: cluster_posture
      dtype: string
    - name: cluster_arguments
      dtype: string
    - name: cluster_cross_reference
      dtype: string
    - name: cluster_disposition
      dtype: string
    - name: cluster_syllabus
      dtype: string
    - name: docket_id
      dtype: int64
    - name: docket_number
      dtype: string
    - name: docket_view_count
      dtype: int64
    - name: court_id
      dtype: string
    - name: court_jurisdiction
      dtype: string
    - name: court_in_use
      dtype: string
    - name: court_short_name
      dtype: string
    - name: court_full_name
      dtype: string
  splits:
    - name: train
      num_bytes: 5849416
      num_examples: 503
    - name: test
      num_bytes: 4916437
      num_examples: 450
  download_size: 5617493
  dataset_size: 10765853
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
      - split: test
        path: data/test-*
language:
  - en
tags:
  - legal

Dataset Card for Free-Law-Project/opinions-metadata

This dataset contains the metadata of case law opinions used for training and evaluating the Free Law Project Semantic Search Project.

Dataset Details

Dataset Description

The dataset is curated by Free Law Project by randomly sampling ~1K cases across various courts and jurisdictions from the CourtListener database.

This dataset contains all the metadata associated with each opinion, with opinion_id as the unique identifier. The train split is used for finetuning the embedding semantic search models while the test split is used for evaluating the performance of various embedding semantic search models.

Uses

This rich dataset can be used for pretraining and finetuning various legal tasks, such as classification, semantic search, summarization, etc. Due to wide range of opinion length, this dataset can be particularly valuable for long context use cases.

Refer to the CourtLisener Case Law API Doc for detailed information on the features.

Our data is vast and this is only a fraction of the Case Law data we have.

Citation

If you use this data, please cite with the following entry:

@misc{Free Law Project,
      title={Free law project: Making the legal ecosystem more equitable and competitive.},
      url={https://free.law/},
      author={Free Law Project}}