Legal Data Infrastructure for the AI Era

Structured U.S. case law data, continuously updated through ongoing court ingestion and synchronization processes.

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AI systems connected to Lexsphere Data

Structured Legal Data at Scale

Lexsphere has built and maintains a large-scale U.S. legal data system, including one of the most comprehensive independent case law libraries available.

Comprehensive U.S. Court Coverage

Coverage across federal and state jurisdictions, including the U.S. Supreme Court, all Federal Circuit Courts, Federal District Courts, state appellate courts, bankruptcy courts, and tribal law.

U.S. Court Coverage by Federal Circuit

1st Circuit
2nd Circuit
3rd Circuit
4th Circuit
5th Circuit
6th Circuit
7th Circuit
8th Circuit
9th Circuit
10th Circuit
11th Circuit
D.C. Circuit
Federal Circuit
ME
Maine
NH
New Hampshire
MA
Massachusetts
RI
Rhode Island
PR
Puerto Rico
VT
Vermont
CT
Connecticut
NY
New York
PA
Pennsylvania
NJ
New Jersey
DE
Delaware
VI
Virgin Islands
MD
Maryland
VA
Virginia
WV
West Virginia
NC
North Carolina
SC
South Carolina
TX
Texas
LA
Louisiana
MS
Mississippi
MI
Michigan
OH
Ohio
KY
Kentucky
TN
Tennessee
WI
Wisconsin
IL
Illinois
IN
Indiana
MN
Minnesota
IA
Iowa
MO
Missouri
AR
Arkansas
ND
North Dakota
SD
South Dakota
NE
Nebraska
WA
Washington
OR
Oregon
CA
California
NV
Nevada
ID
Idaho
MT
Montana
AZ
Arizona
AK
Alaska
HI
Hawaii
GU
Guam
MP
N. Mariana Islands
WY
Wyoming
UT
Utah
CO
Colorado
KS
Kansas
OK
Oklahoma
NM
New Mexico
AL
Alabama
GA
Georgia
FL
Florida
DC
District of Columbia
FC
Federal Circuit
Patent, International Trade, Federal Claims

Coverage

Across ALL 50 States and ALL Federal Courts

209

Jurisdictions

415

Courts

Daily

Updates

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Lexsphere Proprietary Data System

The Lexsphere platform combines large-scale legal datasets, synchronization infrastructure, citation-linking systems, and continuously updated legal data sourced from ongoing court ingestion processes.

Case Law Corpus

8M+ legal opinions across 209 jurisdictions and 415+ court sources.

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Update & Synchronization Infrastructure

Continuously updated legal data supported by automated synchronization and ingestion processes.

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APIs & Enterprise Delivery

Hosted infrastructure, APIs, and structured legal data delivery for enterprise integration.

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Lexsphere Legal Authority

Case law validation products built on top of our proprietary legal data system.

Legal Brief Validation Icon

Legal Brief Validation

Identifies citations within legal documents and validates citation authenticity or flags hallucinations.

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Case Status Verification Icon

Case Status Verification

Continuously monitors court decisions as they are ingested and identifies changes to case status over time.

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Activity Tracking Icon

Activity Tracking and Auditing

Tracks user activity, validation history, and workflow events across the Lexsphere platform for oversight, auditing, and compliance purposes.

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Lexsphere Proprietary Data System

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Court Acquisition

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Ingestion

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Structuring

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Citation Linking

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Synchronization

The Lexsphere platform combines large-scale legal datasets, synchronization infrastructure, citation-linking systems, and continuously updated legal data sourced from ongoing court ingestion processes.

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Flexible Enterprise Delivery

APIs

Access structured legal data, citation-linking systems, and verification tools through enterprise APIs.

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Hosted Infrastructure

Deploy Lexsphere services through standalone hosted environments with minimal integration overhead.

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Legal data infrastructure for modern legal technology and AI-assisted systems.

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