Company · Software & Technology Services

Microsoft Corporation

Federal civil lawsuits naming Microsoft Corporation, a Software & Technology Services company.

Public CompanySoftware & Technology Services

Ticker: Nasdaq: MSFT
Business: Services-Prepackaged Software
Headquarters: Redmond, WA
Incorporated in: Washington
SEC CIK: 789019

Microsoft Corporation is a public company in Services-Prepackaged Software, based in Redmond, WA (traded on Nasdaq as MSFT, incorporated in Washington). It appears in 1,846 federal civil lawsuits in this index, most often as a plaintiff (1,093 of 1,846). These cases are most often Copyright and Patent matters, filed between 1990 and 2026, most frequently in District Court, W.D. Washington. The most common causes of action are Patent Infringement, Copyright Infringement, and Fraud. Frequent opposing parties include Does, John Does 1-10, and Wsou Investments, LLC D/B/A Brazos Licensing and Development.

1,846

Lawsuits

753

As Defendant

1,093

As Plaintiff

Open

1,780

Terminated

1990–2026

Span

8 mo

Median Duration

50 cases/yrNamed as plaintiff in 59% of casesRecent filings steady

Cases by State

HI · 1PR · 22

Open Cases Over Time

1990peak 199 open2026

Case Types Over Time

19902026

CopyrightPatentTrademarkAntitrustContract

Filings by Year

19902026

Case Types filter →

Where Filed filter →

Frequent Opposing Parties

Filtered Contract Clear

112 Cases — Newest First

Patel v. Microsoft Corporation

Contract Open District Court, W.D. WashingtonNo. 2:26-cv-01747Filed 05/19/2026
Myriad Software LLC v. Microsoft Corporation

Contract Open District Court, W.D. WashingtonNo. 2:25-cv-02358Filed 11/23/2025
Samson v. Microsoft Corporation

Contract Open District Court, E.D. VirginiaNo. 1:25-cv-01848Filed 10/23/2025
Brown v. Microsoft Corp

Contract Terminated District Court, D. MassachusettsNo. 1:24-cv-11585Filed 06/19/2024
Patel v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:24-cv-00130Filed 01/30/2024
Jones v. Microsoft Corporation

Contract Terminated District Court, N.D. IllinoisNo. 1:22-cv-03437Filed 06/30/2022
Westland Garden State Plaza Limited Partnership v. Microsoft Corporation

Contract Terminated District Court, D. New JerseyNo. 2:20-cv-09822Filed 07/31/2020
Rogers-O'Brien Construction, LLC v. Microsoft Corporation

Contract Terminated District Court, W.D. TexasNo. 5:20-cv-00590Filed 05/15/2020
Kelly v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:17-cv-01067Filed 07/14/2017
Microsoft Corporation v. Samsung Electronics Co., Ltd

Contract Terminated District Court, S.D. New YorkNo. 1:14-cv-06039Filed 08/01/2014
Ti Investment Services, LLC v. Microsoft Corporation

Contract Terminated District Court, D. New JerseyNo. 3:14-cv-04681Filed 07/28/2014
Unwired Planet Inc v. Microsoft Corp

Contract Terminated District Court, D. DelawareNo. 1:14-cv-00967Filed 07/22/2014
Microsoft Corporation v. Acacia Research Corporation

Contract Terminated District Court, S.D. New YorkNo. 1:13-cv-08275Filed 11/20/2013
Yahoo! Inc v. Microsoft Corporation

Contract Terminated District Court, S.D. New YorkNo. 1:13-cv-07237Filed 10/15/2013
Microsoft Corporation v. Datapipe, Inc

Contract Terminated District Court, D. New JerseyNo. 2:13-cv-03736Filed 06/17/2013
Microsoft Corporation v. Trg Customer Solutions, Inc

Contract Terminated District Court, District of ColumbiaNo. 1:13-cv-00867Filed 06/10/2013
Intellivision v. Microsoft Corporation

Contract Terminated District Court, S.D. New YorkNo. 1:13-cv-00674Filed 01/30/2013
Talyancich v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:12-cv-01128Filed 06/29/2012
Microsoft Corporation v. Batton Industries, LLC

Contract Terminated District Court, E.D. KentuckyNo. 2:12-cv-00094Filed 04/09/2012
Stebbins v. Microsoft Inc

Contract Terminated District Court, W.D. WashingtonNo. 2:11-cv-01362Filed 08/15/2011
Bennett v. Microsoft Corporation

Contract Terminated District Court, D. OregonNo. 6:11-cv-06223Filed 07/12/2011
Baker v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:11-cv-00722Filed 04/28/2011
Microsoft Corporation v. Motorola Inc

Contract Terminated District Court, W.D. WashingtonNo. 2:10-cv-01823Filed 11/09/2010
Taylor v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:10-cv-00130Filed 01/22/2010
Swensson v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:09-cv-01735Filed 12/07/2009
Toolis v. Microsoft Corporation

Contract Terminated District Court, N.D. IllinoisNo. 1:09-cv-04302Filed 07/17/2009
Lo v. Microsoft Corporation, Et Al

Contract Terminated District Court, W.D. WashingtonFiled 05/12/2009
Maloney v. Microsoft Corporation

Contract Terminated District Court, D. New JerseyNo. 3:09-cv-02047Filed 05/01/2009
Imagineering International Incorporated v. Microsoft Corp

Contract Terminated District Court, E.D. WisconsinNo. 2:09-cv-00063Filed 01/14/2009
Crisswell v. Microsoft Corporation

Contract Terminated District Court, N.D. IllinoisNo. 1:08-cv-05184Filed 09/10/2008
Lo v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:08-cv-00989Filed 07/01/2008
Smith v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:08-cv-00525Filed 04/01/2008
Shannon Smith v. Microsoft Corporation

Contract Terminated District Court, S.D. TexasFiled 01/04/2008
Daisy Mountain Fire District v. Microsoft Corporation

Contract Terminated District Court, D. MarylandNo. 1:07-cv-02851Filed 10/26/2007
Hanson v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:07-cv-01295Filed 08/20/2007
Moskowitz v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:07-cv-01270Filed 08/14/2007
Ling v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:07-cv-01271Filed 08/14/2007
Mayer v. Microsoft Corporation

Contract Terminated District Court, S.D. FloridaNo. 0:07-cv-61114Filed 08/08/2007
Microsoft Corporation v. Washington Technology Group, Inc

Contract Terminated District Court, District of ColumbiaNo. 1:07-cv-01413Filed 08/03/2007
Carlie v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:07-cv-01132Filed 07/19/2007
Torres v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:07-cv-01121Filed 07/18/2007
Brouwer v. Microsoft Corporation

Contract Terminated District Court, S.D. FloridaNo. 0:07-cv-60950Filed 07/09/2007
Lo v. Microsoft Corporation

Contract Terminated District Court, E.D. TexasNo. 2:07-cv-00265Filed 06/25/2007
Microsoft Corporation v. Immersion Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:07-cv-00936Filed 06/18/2007
F&G Research Inc v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:07-cv-00524Filed 04/10/2007
Ray v. Microsoft Corporation

Contract Terminated District Court, W.D. WashingtonNo. 2:06-cv-01720Filed 11/27/2006
Oss Nokalva,inc v. Microsoft Corporation

Contract Terminated District Court, D. New JerseyNo. 2:06-cv-01974Filed 04/28/2006
Microsoft Corporation v. Affordable Computers

Contract Terminated District Court, E.D. KentuckyNo. 0:06-cv-00053Filed 03/28/2006
Microsoft Corporation v. Tsr Silicon Resources, Inc

Contract Terminated District Court, N.D. IllinoisNo. 1:06-cv-00690Filed 02/06/2006
Microsoft Corporation v. Baker

Contract Terminated District Court, W.D. WashingtonNo. 2:05-cv-01924Filed 11/18/2005

Showing 1–50 of 112