Company · Insurance

Arthur J. Gallagher & Co

Federal civil lawsuits naming Arthur J. Gallagher & Co, a Insurance company.

Public CompanyInsurance

Ticker: NYSE: AJG
Business: Insurance Agents, Brokers & Service
Headquarters: Rolling Meadows, IL
Incorporated in: Delaware
SEC CIK: 354190

Arthur J. Gallagher & Co is a public company in Insurance Agents, Brokers & Service, based in Rolling Meadows, IL (traded on NYSE as AJG, incorporated in Delaware). It appears in 129 federal civil lawsuits in this index, most often as a defendant (93 of 129). These cases are most often Contract and Civil Rights matters, filed between 1991 and 2026, most frequently in District Court, N.D. Illinois. The most common causes of action are Breach of Contract, Employment Discrimination, and Americans with Disabilities Act. Frequent opposing parties include Arthur J. Gallagher Risk Management Services, Inc, Arthur J Gallagher and Company, and Arthur J. Gallagher.

129

Lawsuits

As Defendant

As Plaintiff

Open

121

Terminated

1991–2026

Span

8 mo

Median Duration

3.6 cases/yrPredominantly defendant · 72%Contract-heavy · 59%Activity steady

Cases by State

Open Cases Over Time

1991peak 9 open2026

Case Types Over Time

19912026

ContractCivil RightsLaborPersonal Property / FraudFederal Tax / Statutory Actions

Filings by Year

19912026

Case Types filter →

Contract76

Civil Rights24

Labor16

Personal Property / Fraud6

Federal Tax / Statutory Actions4

Banking / Commerce1

Where Filed filter →

Frequent Opposing Parties

129 Cases — Newest First

Arthur J. Gallagher & Co v. Stonebrook Insurance, LLC

Federal Tax / Statutory Actions Open District Court, E.D. TexasNo. 4:26-cv-00332Filed 04/03/2026
Byrd v. Arthur J. Gallagher & Co

Contract Open District Court, M.D. North CarolinaNo. 1:26-cv-00238Filed 03/11/2026
Bromerc Ltd v. Arthur J. Gallagher & Co

Patent Open District Court, D. DelawareNo. 1:26-cv-00217Filed 03/02/2026
Arthur J. Gallagher & Co v. Markfeld

Contract Open District Court, E.D. VirginiaNo. 3:25-cv-00885Filed 10/27/2025
Arthur J. Gallagher & Co v. Baranello

Contract Open District Court, E.D. New YorkNo. 1:25-cv-05316Filed 09/22/2025
Great American E&S Insurance Company v. Arthur J. Gallagher & Co

Contract Open District Court, S.D. New YorkNo. 1:25-cv-05406Filed 06/30/2025
Arthur J. Gallagher & Company v. Great American E&S Insurance Company

Federal Tax / Statutory Actions Terminated District Court, N.D. IllinoisNo. 1:25-cv-04474Filed 04/24/2025
Magnolia Torque & Testing Inc v. Arthur J Gallagher Risk Management Services L L C

Contract Open District Court, W.D. LouisianaNo. 6:25-cv-00180Filed 02/12/2025
Kerley v. Arthur J. Gallagher & Co

Contract Open District Court, E.D. TennesseeNo. 1:24-cv-00399Filed 12/30/2024
Porch.com v. Arthur J Gallagher & Co

Contract Terminated District Court, N.D. TexasNo. 3:24-cv-01475Filed 06/14/2024
Blakeney v. Arthur J. Gallagher & Co

Labor Open District Court, N.D. IllinoisNo. 1:23-cv-16624Filed 12/08/2023
Raleigh Radiology Associates, Inc v. Arthur J. Gallagher Risk Management Services, Inc

Contract Terminated District Court, E.D. North CarolinaNo. 5:23-cv-00231Filed 04/28/2023
Raleigh Radiology Associates, Inc v. Arthur J. Gallagher Risk Management Services, LLC

Contract Terminated District Court, E.D. North CarolinaNo. 5:23-cv-00234Filed 04/28/2023
Hansel v. Arthur J. Gallagher & Co

Contract Terminated District Court, S.D. IowaNo. 3:23-cv-00020Filed 04/03/2023
Summit Capital Partners Tallahassee IV LP v. Arthur J Gallagher Risk Management Services Inc

Contract Terminated District Court, N.D. FloridaNo. 4:23-cv-00044Filed 01/25/2023
Asphalt Recovery Specialists, Inc v. Arthur J. Gallagher & Co

Contract Terminated District Court, D. ColoradoNo. 1:22-cv-01952Filed 08/05/2022
Arthur J. Gallagher & Co v. Alliant Insurance Services, Inc

Contract Terminated District Court, N.D. IllinoisNo. 1:22-cv-03931Filed 07/28/2022
McNeil v. Arthur J. Gallagher & Co

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:22-cv-01624Filed 04/25/2022
Copple v. Arthur J Gallagher & Co

Personal Property / Fraud Terminated District Court, W.D. WashingtonNo. 2:22-cv-00116Filed 02/02/2022
In Re: Arthur J. Gallagher Data Breach Litigation

Federal Tax / Statutory Actions Terminated District Court, N.D. IllinoisNo. 1:22-cv-00137Filed 01/10/2022
Myers v. Arthur J. Gallagher & Co

Personal Property / Fraud Terminated District Court, N.D. IllinoisNo. 1:21-cv-04056Filed 07/29/2021
Equal Employment Opportunity Commission v. Arthur J. Gallagher & Co

Civil Rights Terminated District Court, D. ColoradoNo. 1:20-cv-03421Filed 11/18/2020
Network Standards Corporation v. Arthur J. Gallagher & Co

Contract Terminated District Court, S.D. New YorkNo. 1:20-cv-08516Filed 10/13/2020
Arthur J. Gallagher & Co v. Alliant Insurance Services, Inc

Personal Property / Fraud Terminated District Court, D. DelawareNo. 1:20-cv-01248Filed 09/17/2020
Arthur J. Gallagher & Co v. Spillman

Contract Terminated District Court, D. KansasNo. 2:20-cv-02289Filed 06/10/2020
Skinny Kid Productions, LLC v. Arthur J. Gallagher & Co

Personal Property / Fraud Terminated District Court, W.D. TexasNo. 7:20-cv-00107Filed 04/30/2020
Muhammad v. Arthur J. Gallagher & Co

Civil Rights Terminated District Court, N.D. IllinoisNo. 1:19-cv-07744Filed 11/23/2019
Ladrach v. Arthur J. Gallagher & Co

Civil Rights Terminated District Court, S.D. FloridaNo. 9:19-cv-81196Filed 08/23/2019
Attaway v. Arthur J Gallagher & Co

Contract Terminated District Court, W.D. LouisianaNo. 5:18-cv-00642Filed 05/15/2018
Arthur J. Gallagher & Co v. Smith

Contract Terminated District Court, M.D. LouisianaNo. 3:18-cv-00441Filed 04/09/2018
New Jersey Physicians United Reciprocal Exchange v. Arthur J. Gallagher & Co

Trademark Terminated District Court, D. New JerseyNo. 3:18-cv-04110Filed 03/23/2018
Kaiser v. Arthur J. Gallagher & Co

Labor Terminated District Court, D. NebraskaNo. 8:17-cv-00454Filed 11/22/2017
Arthur J. Gallagher & Co v. Long

Contract Terminated District Court, D. MassachusettsNo. 1:17-cv-12313Filed 11/22/2017
Miller v. Arthur J. Gallagher & Co

Civil Rights Terminated District Court, N.D. IllinoisNo. 1:17-cv-06998Filed 09/28/2017
Sarpes Beverages, LLC v. Arthur J. Gallagher Risk Management Services, Inc

Contract Terminated District Court, S.D. FloridaNo. 1:17-cv-23298Filed 08/31/2017
Berry v. Arthur J Gallagher & Co

Civil Rights Terminated District Court, N.D. TexasNo. 3:17-cv-02075Filed 08/04/2017
Allegis Investment Services v. Arthur J Gallagher & Co

Contract Terminated District Court, D. UtahNo. 2:17-cv-00515Filed 06/05/2017
Owner's Management Company v. Arthur J. Gallagher & Co

Labor Terminated District Court, N.D. OhioNo. 1:17-cv-00881Filed 04/25/2017
Arthur J. Gallagher & Co v. O'Neill

Contract Terminated District Court, E.D. LouisianaNo. 2:17-cv-02825Filed 04/03/2017
Visiting Nurse Service of New York v. Arthur J. Gallagher & Co

Contract Terminated District Court, S.D. New YorkNo. 1:17-cv-02359Filed 03/31/2017
Manty v. Arthur J. Gallagher & Co

Contract Terminated District Court, D. MinnesotaNo. 0:17-cv-00390Filed 02/06/2017
Liverman Metal Recycling, Inc v. Arthur J. Gallagher & Co

Personal Property / Fraud Terminated District Court, E.D. North CarolinaNo. 4:16-cv-00291Filed 12/19/2016
Kebo v. Arthur J. Gallagher & Co

Civil Rights Terminated District Court, S.D. IndianaNo. 1:16-cv-02163Filed 08/12/2016
Goins-Jenkins v. Arthur J. Gallagher & Co

Civil Rights Terminated District Court, D. New JerseyNo. 2:16-cv-04507Filed 07/25/2016
Broker Benefit Services, LLC v. Arthur J. Gallagher & Co

Contract Terminated District Court, N.D. IllinoisNo. 1:16-cv-07414Filed 07/20/2016
Durbin v. Arthur J. Gallagher & Co

Contract Terminated District Court, E.D. MissouriNo. 4:16-cv-01191Filed 07/20/2016
Stalter v. Arthur J. Gallagher Risk Managment Services, Inc

Contract Terminated District Court, E.D. LouisianaNo. 2:16-cv-12786Filed 07/14/2016
Arthur J. Gallagher Risk Management Services, Inc v. Mitzner Do Not Docket. Case Has Been Remanded

Labor Terminated District Court, S.D. TexasNo. 4:16-cv-01326Filed 05/11/2016
Stoney Marine International Limited v. Arthur J Gallagher & Co

Contract Terminated District Court, D. South CarolinaNo. 2:16-cv-01154Filed 04/13/2016
Arthur J. Gallagher & Co v. Anthony

Contract Terminated District Court, N.D. OhioNo. 1:16-cv-00284Filed 02/05/2016

Showing 1–50 of 129