Company · Electric Utilities & Power Generation

Otter Tail Power Co

Federal civil lawsuits naming Otter Tail Power Co, a Electric Utilities & Power Generation company.

Public CompanyElectric Utilities & Power Generation

Ticker: Nasdaq: OTTR
Business: Electric Services
Headquarters: Fergus Falls, MN
Incorporated in: Minnesota
SEC CIK: 1466593

Otter Tail Power Co is a public company in Electric Services, based in Fergus Falls, MN (traded on Nasdaq as OTTR, incorporated in Minnesota). It appears in 20 federal civil lawsuits in this index, most often as a defendant (13 of 20). These cases are most often Contract and Civil Rights matters, filed between 1991 and 2025, most frequently in District Court, D. Minnesota. The most common causes of action are Civil Rights and Patent Infringement. A frequent opposing party is Menze.

Lawsuits

As Defendant

As Plaintiff

Open

Terminated

1991–2025

Span

13 mo

Median Duration

0.6 cases/yrNamed as defendant in 65% of casesRecent filings steady

Cases by State

Open Cases Over Time

1991peak 3 open2025

Case Types Over Time

19912025

ContractCivil RightsFederal Tax / Statutory ActionsOther CivilPatent

Filings by Year

19912025

Case Types filter →

Contract6

Civil Rights4

Federal Tax / Statutory Actions4

Other Civil2

Patent1

Personal Property / Fraud1

Where Filed filter →

Frequent Opposing Parties

Menze3

20 Cases — Newest First

Menze v. County of Otter Tail

Civil Rights Open District Court, D. MinnesotaNo. 0:25-cv-01291Filed 04/07/2025
Menze v. County of Otter Tail

Civil Rights Terminated District Court, D. MinnesotaNo. 0:24-cv-01243Filed 04/11/2024
Otter Tail Power Company v. Siemens Energy, Inc

Personal Property / Fraud Terminated District Court, D. North DakotaNo. 1:14-cv-00037Filed 04/07/2014
Otter Tail Power Company v. Leech Lake Band of Ojibwe

Federal Tax / Statutory Actions Terminated District Court, D. MinnesotaNo. 0:11-cv-01070Filed 04/26/2011
Sierra Club v. Otter Tail Corporation

Federal Tax / Statutory Actions Terminated District Court, D. South DakotaNo. 1:08-cv-01012Filed 06/11/2008
Emergis Technologies, Inc v. Otter Tail Corporation

Patent Terminated District Court, D. MinnesotaNo. 0:06-cv-00348Filed 01/25/2006
Otter Tail Corp v. Retx.Com, Inc

Contract Terminated District Court, D. MinnesotaNo. 0:03-cv-03194Filed 05/15/2003
Otter Tail v. Scofield

Securities / Commodities Terminated District Court, D. MinnesotaNo. 0:99-cv-00482Filed 03/26/1999
Erickson v. Otter Tail Energy

Contract Terminated District Court, D. MinnesotaNo. 0:99-cv-00276Filed 02/16/1999
Flynn v. Otter Tail Power

Contract Terminated District Court, N.D. CaliforniaNo. 3:98-cv-03973Filed 10/15/1998
Johnson v. Otter Tail County

Civil Rights Terminated District Court, D. MinnesotaNo. 0:98-cv-02237Filed 10/13/1998
Baker Elec Coop, Inc v. Otter Tail Power Co

Federal Tax / Statutory Actions Terminated District Court, D. North DakotaNo. 2:96-cv-00104Filed 08/20/1996
Ehrmantraut v. Otter Tail-Wadena

Product Liability Terminated District Court, D. MinnesotaNo. 6:96-cv-00217Filed 07/19/1996
Baker Electric v. Otter Tail Power Co

Contract Terminated District Court, D. North DakotaNo. 1:96-cv-00028Filed 03/13/1996
Menze v. Otter Tail County

Contract Terminated District Court, D. MinnesotaNo. 6:95-cv-00261Filed 11/16/1995
Otter Tail Power Co v. Nat'l Sun Industries

Contract Terminated District Court, D. North DakotaNo. 3:94-cv-00124Filed 10/06/1994
Otter Tail Power Co v. Cass Cty Electric

Federal Tax / Statutory Actions Terminated District Court, D. North DakotaNo. 3:92-cv-00208Filed 12/10/1992
Otter Tail Power Co v. Hagen

Other Civil Terminated District Court, D. North DakotaNo. 1:92-cv-00065Filed 03/31/1992
Sheyenne Valley Elec v. Otter Tail Power Co

Other Civil Terminated District Court, D. North DakotaNo. 1:92-cv-00049Filed 03/11/1992
Olson v. Otter Tail Power Co

Civil Rights Terminated District Court, D. North DakotaNo. 3:91-cv-00042Filed 03/07/1991