datasets
Training and evaluation data, with the modality, task and licence stated up front. Listed live from the Hugging Face Hub.
caselaw_access_project
Caselaw Access Project
Description
This dataset contains 6.7 million cases from the Caselaw Access Project and Court Listener.
The Caselaw Access Project consists of nearly 40 million pages of U.S. federal and state court decisions and judges’ opinions from the last 365 years.
In addition, Court Listener adds over 900 thousand cases scraped from 479 courts.
The Caselaw Access Project and Court Listener source legal data from a wide variety of resources such as the… See the full description on the dataset page: https://huggingface.co/datasets/common-pile/caselaw_access_project.AILA_casedocs
AILACasedocs
An MTEB dataset
Massive Text Embedding Benchmark
The task is to retrieve the case document that most closely matches or is most relevant to the scenario described in the provided query.
Task category
t2t
Domains
Legal, Written
Reference
https://zenodo.org/records/4063986
How to evaluate on this task
You can evaluate an embedding model on this dataset using the following code:
import mteb
task = mteb.get_tasks(["AILACasedocs"])
evaluator =… See the full description on the dataset page: https://huggingface.co/datasets/mteb/AILA_casedocs.caselaw_access_project_filtered
Caselaw Access Project
Description
This dataset contains 6.7 million cases from the Caselaw Access Project and Court Listener.
The Caselaw Access Project consists of nearly 40 million pages of U.S. federal and state court decisions and judges’ opinions from the last 365 years.
In addition, Court Listener adds over 900 thousand cases scraped from 479 courts.
The Caselaw Access Project and Court Listener source legal data from a wide variety of resources such as the Harvard… See the full description on the dataset page: https://huggingface.co/datasets/common-pile/caselaw_access_project_filtered.RefWave-Cluster-Runsus-caselaw-oh
Ohio Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-oh.evalarc-casebook
EvalArc Casebook
The same 93.75% score can pass one acceptance gate and fail another.
Inspect the rules, actual failed checks and original Docker records in a
filterable table. This is the data companion to the
interactive evidence lab.
In the default suite_jobs view, compare support-partial and
support-protected. Both use the same frozen defective policy, score 93.75%
and fully resolve 0/2 attempts. The deliberately permissive rule accepts partial
progress; the rule requiring… See the full description on the dataset page: https://huggingface.co/datasets/glayguo/evalarc-casebook.us-caselaw
US Caselaw
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
The American case-law record in one dataset — published opinions from the Free Law Project /
CourtListener bulk export of 2026-06-30: full text, all opinion types (majority, concurring,
dissenting, per curiam… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw.us-caselaw-wi
Wisconsin Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Full text of 72,350 Wisconsin appellate opinion documents from the public record,
sliced from the Free Law Project / CourtListener bulk export of 2026-06-30.
Court coverage (2 court ids, explicit allowlist —… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-wi.us-caselaw-ca
California Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Full text of 242,989 California appellate opinion documents from the public record. The base
slice is 242,831 documents from the Free Law Project / CourtListener bulk export of 2026-06-30.… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-ca.texas-caselaw
Texas Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/texas-caselaw.us-caselaw-wa
Washington Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Full text of 150,274 Washington appellate opinion documents from the public record. The base
slice is 150,239 documents from the Free Law Project / CourtListener bulk export of 2026-06-30.… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-wa.us-caselaw-fed-appellate
U.S. Courts of Appeals (all circuits + historical) Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-fed-appellate.us-caselaw-mt
Montana Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-mt.us-caselaw-ny
New York Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Full text of 963,045 New York appellate opinion documents from the public record,
sliced from the Free Law Project / CourtListener bulk export of 2026-06-30.
Court coverage (5 court ids, explicit allowlist —… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-ny.us-caselaw-de
Delaware Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-de.safety-calibration-cases
Safety Calibration Cases
Rights & intended use: legacy public research corpus / portfolio
artifact. Hosted frontier-model outputs are research-only inputs under
project policy (synthetic-factory#161):
intended_use: research_only, project_training_policy: blocked. Not
training data for any model-weight update. Machine-readable record:
rights.json.
Release status: The raw, uncurated payload is now published under
data/raw/. It is available for inspection and reproducibility… See the full description on the dataset page: https://huggingface.co/datasets/rmems/safety-calibration-cases.us-caselaw-co
Colorado Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-co.us-caselaw-nj
New Jersey Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-nj.us-caselaw-fed-district
U.S. District Courts Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions).… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-fed-district.asylum-casescaselaw_access_project
Caselaw Access Project
Description
This dataset contains 6.7 million cases from the Caselaw Access Project and Court Listener.
The Caselaw Access Project consists of nearly 40 million pages of U.S. federal and state court decisions and judges’ opinions from the last 365 years.
In addition, Court Listener adds over 900 thousand cases scraped from 479 courts.
The Caselaw Access Project and Court Listener source legal data from a wide variety of resources such as the… See the full description on the dataset page: https://huggingface.co/datasets/JolieLim/caselaw_access_project.us-caselaw-pa
Pennsylvania Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions).… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-pa.us-caselaw-mi
Michigan Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-mi.us-caselaw-tx
Texas Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-tx.measurement-axioms-cases
Measurement Axioms Cases
Source pinning
Frozen, source-pinned publication — not a live mirror of the canonical repository's main.
Source snapshot commit
350bb4cba4e5bc2d760db080aae52352a7041331 (Measurement Axioms v1.0.0)
Canonical current repository
https://github.com/halvrenofviryel/measurement-axioms
Export/publication date
2026-09-13 (first Hub commit of this repository)
Update policy
Counts are derived from this snapshot: 45 active… See the full description on the dataset page: https://huggingface.co/datasets/phionyx/measurement-axioms-cases.us-caselaw-ct
Connecticut Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-ct.us-caselaw-il
Illinois Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Full text of 249,250 Illinois appellate opinion documents from the public record,
sliced from the Free Law Project / CourtListener bulk export of 2026-06-30.
Court coverage (2 court ids, explicit allowlist —… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-il.us-caselaw-nh
New Hampshire Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions).… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-nh.us-caselaw-md
Maryland Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-md.us-caselaw-ar
Arkansas Case Law
Code & tools: github.com/docketx — legal-scrambler pseudonymises a case file on your own hardware before a frontier model sees it; claude-for-legal is the Claude Code plugin (docketx-open-law) that loads these datasets and checks citations against them.
Source & credit — Free Law Project / CourtListener
Every opinion in this dataset comes from the Free Law Project / CourtListener bulk export of
2026-06-30 (10,798,347 opinions). CourtListener… See the full description on the dataset page: https://huggingface.co/datasets/docketx/us-caselaw-ar.