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 2,296 federal civil lawsuits in this index, most often as a plaintiff (1,371 of 2,296). 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 Trademark. Frequent opposing parties include Does, John Does 1-10, and Uniloc 2017 LLC.

2,296

Lawsuits

925

As Defendant

1,371

As Plaintiff

Open

2,215

Terminated

1990–2026

Span

8 mo

Median Duration

62 cases/yrNamed as plaintiff in 60% of casesRecent filings steady

Cases by State

HI · 1PR · 22

Open Cases Over Time

1990peak 229 open2026

Case Types Over Time

19902026

CopyrightPatentTrademarkAntitrustContract

Filings by Year

19902026

Case Types filter →

Where Filed filter →

Frequent Opposing Parties

2,296 Cases — Newest First

Virtru Corporation v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:22-cv-00242Filed 03/04/2022
Microsoft Corporation v. Solution Hat, LLC D/B/A Think Global

Trademark Terminated District Court, S.D. IndianaNo. 1:22-cv-00396Filed 02/25/2022
Lemko Corporation v. Microsoft Corporation

Patent Open District Court, N.D. TexasNo. 3:22-cv-00363Filed 02/14/2022
Marble Voip Partners LLC v. Microsoft Corporation

Patent Open District Court, W.D. TexasNo. 6:22-cv-00076Filed 01/20/2022
Microsoft Corporation v. Thomas Sandman

Federal Tax / Statutory Actions Terminated District Court, C.D. CaliforniaNo. 2:22-mc-00009Filed 01/14/2022
Microsoft Corporation v. Thomas Sandman

Federal Tax / Statutory Actions Terminated District Court, C.D. CaliforniaNo. 2:22-cv-00304Filed 01/14/2022
Drut Technologies Inc v. Microsoft Corporation Inc

Federal Tax / Statutory Actions Terminated District Court, W.D. WashingtonNo. 2:21-cv-01653Filed 12/10/2021
Microsoft Corporation v. John Does 1-2

Copyright Terminated District Court, E.D. VirginiaNo. 1:21-cv-01346Filed 12/02/2021
Pedersen v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-01154Filed 11/09/2021
SurfCast, Inc v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-01018Filed 10/01/2021
Valjakka v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-01006Filed 09/29/2021
Kt Imaging USA, LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-01000Filed 09/28/2021
AlmondNet, Inc v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00897Filed 08/27/2021
Alloyed Enterprises Co v. Microsoft Corporation

Civil Rights Terminated District Court, N.D. IllinoisNo. 1:21-cv-04468Filed 08/23/2021
MediaPointe, Inc v. Microsoft Corp

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00855Filed 08/16/2021
Altpass LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00799Filed 08/03/2021
Xr Communications LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00695Filed 07/01/2021
Stanford v. Microsoft Incorporated

Civil Rights Terminated District Court, W.D. TexasNo. 3:21-cv-00105Filed 05/11/2021
Interactive Graphic Solutions LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00462Filed 05/04/2021
ThroughPuter, Inc v. Microsoft Corporation

Patent Terminated District Court, E.D. VirginiaNo. 1:21-cv-00397Filed 03/31/2021
The California Institute of Technology v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00276Filed 03/19/2021
Netcom Global Solutions LLC v. Microsoft Corporation

Patent Terminated District Court, E.D. TexasNo. 9:21-cv-00051Filed 03/19/2021
Pineapple34, LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00150Filed 02/18/2021
Proven Networks, LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00022Filed 01/11/2021
Panther Innovations, LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-01071Filed 11/20/2020
Microsoft Corporation v. Mourad Yousri Guirguis

Trademark Terminated District Court, S.D. FloridaNo. 1:20-cv-24514Filed 11/02/2020
Romero v. Microsoft Corporation

Civil Rights Terminated District Court, S.D. New YorkNo. 1:20-cv-09083Filed 10/29/2020
Microsoft Corporation v. John Does 1

Copyright Terminated District Court, E.D. VirginiaNo. 1:20-cv-01171Filed 10/06/2020
Worlds Inc v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00872Filed 09/25/2020
D3D Technologies, Inc v. Microsoft Corporation

Patent Terminated District Court, M.D. FloridaNo. 6:20-cv-01699Filed 09/16/2020
Syslore Oy v. Microsoft Corporation

Patent Terminated District Court, N.D. OhioNo. 1:20-cv-01903Filed 08/26/2020
Westland Garden State Plaza Limited Partnership v. Microsoft Corporation

Contract Terminated District Court, D. New JerseyNo. 2:20-cv-09822Filed 07/31/2020
Data Access Corporation v. Microsoft Corporation

Trademark Terminated District Court, S.D. FloridaNo. 1:20-cv-23122Filed 07/28/2020
Microsoft Corporation v. John Does 1-2 Controlling A Computer Network Thereby Injuring And Its Customers

Trademark Terminated District Court, E.D. VirginiaNo. 1:20-cv-00730Filed 06/30/2020
Zipit Wireless, Inc v. Microsoft Corporation

Patent Terminated District Court, N.D. GeorgiaNo. 1:20-cv-02487Filed 06/11/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00465Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00464Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00463Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00462Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00460Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00459Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00458Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00456Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00455Filed 06/02/2020
Wsou Investments LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00454Filed 06/02/2020
Zeroclick, LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 1:20-cv-00677Filed 05/26/2020
Zeroclick, LLC v. Microsoft Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00423Filed 05/26/2020
Gattoni v. Microsoft Corporation

Copyright Terminated District Court, S.D. New YorkNo. 1:20-cv-03909Filed 05/19/2020
Rogers-O'Brien Construction, LLC v. Microsoft Corporation

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

Patent Open District Court, W.D. TexasNo. 6:20-cv-00397Filed 05/14/2020

Showing 151–200 of 2,296