Company

NorthWestern Corporation

Federal civil lawsuits naming NorthWestern Corporation.

In this index, 21 federal civil lawsuits name a party recorded as NorthWestern Corporation, most often as a defendant (20 of 21). These may be different parties who share the name; records here are grouped by name only. These cases are most often Real Property and Contract matters, filed between 2010 and 2025, most frequently in District Court, D. Montana. The most common causes of action are Americans with Disabilities Act, Personal Injury, and Employment. A frequent opposing party is Avista Corporation.

Lawsuits

As Defendant

As Plaintiff

Open

Terminated

2010–2025

Span

15 mo

Median Duration

1.3 cases/yrNamed as defendant in 95% of casesRecent filings down

Cases by State

Open Cases Over Time

2010peak 4 open2025

Case Types Over Time

20102025

Real PropertyContractLaborCivil RightsPersonal Property / Fraud

Filings by Year

20102025

Case Types filter →

Personal Property / Fraud2

Federal Tax / Statutory Actions1

Where Filed filter →

Frequent Opposing Parties

Avista Corporation2

21 Cases — Newest First

Edwards v. Northwestern Corporation

Real Property Open District Court, D. MontanaNo. 4:25-cv-00071Filed 08/25/2025
Gem Holdings, Inc v. NorthWestern Corporation

Real Property Terminated District Court, D. MontanaNo. 4:23-cv-00087Filed 12/28/2023
Lee v. NorthWestern Corporation

Real Property Terminated District Court, D. MontanaNo. 4:23-cv-00076Filed 11/29/2023
Peck v. Northwestern Corporation

Real Property Terminated District Court, D. MontanaNo. 4:23-cv-00077Filed 11/29/2023
Stevens v. Northwestern Corporation

Civil Rights Terminated District Court, D. MontanaNo. 2:22-cv-00078Filed 11/23/2022
Avista Corporation v. NorthWestern Corporation

Contract Terminated District Court, D. MontanaNo. 1:21-cv-00090Filed 08/19/2021
Avista Corporation v. NorthWestern Corporation

Contract Terminated District Court, E.D. WashingtonNo. 2:21-cv-00163Filed 05/14/2021
Lazy E L Ranch, Inc v. NorthWestern Corporation

Real Property Terminated District Court, D. MontanaNo. 1:17-cv-00112Filed 08/24/2017
Linn v. NorthWestern Corporation

Personal Property / Fraud Terminated District Court, D. MontanaNo. 9:17-cv-00076Filed 06/05/2017
Cox v. NorthWestern Corporation

Personal Property / Fraud Terminated District Court, D. MontanaNo. 2:16-cv-00047Filed 09/16/2016
Strizic v. NorthWestern Corporation

Labor Terminated District Court, D. MontanaNo. 2:16-cv-00016Filed 04/21/2016
Exxon Mobil Corporation v. Northwestern Corporation

Contract Terminated District Court, D. MontanaNo. 1:16-cv-00005Filed 01/22/2016
Ranf v. NorthWestern Corporation

Labor Terminated District Court, D. MontanaNo. 2:14-cv-00044Filed 07/18/2014
Wilcox v. NorthWestern Corporation

Contract Terminated District Court, D. MontanaNo. 9:14-cv-00031Filed 02/03/2014
Golden v. NorthWestern Corporation

Labor Terminated District Court, D. MontanaNo. 9:12-cv-00190Filed 11/21/2012
Hopler v. Northwestern Corporation

Real Property Terminated District Court, D. MontanaNo. 6:12-cv-00090Filed 09/13/2012
Payne v. NorthWestern Corporation

Labor Terminated District Court, D. MontanaNo. 2:11-cv-00070Filed 11/23/2011
Bruninga v. NorthWestern Corporation

Civil Rights Terminated District Court, D. MontanaNo. 9:11-cv-00132Filed 09/28/2011
NorthWestern Corporation v. Minjares

Federal Tax / Statutory Actions Terminated District Court, D. MontanaNo. 9:10-cv-00068Filed 06/11/2010
Chartis Specialty Insurance Company v. NorthWestern Corporation

Contract Terminated District Court, D. MontanaNo. 2:10-cv-00026Filed 05/21/2010
Andersch v. NorthWestern Corporation

Labor Terminated District Court, D. MontanaNo. 2:10-cv-00013Filed 03/26/2010