Company · Scientific & Technical Instruments

Ametek, Inc

Federal civil lawsuits naming Ametek, Inc, a Scientific & Technical Instruments company.

Public CompanyScientific & Technical Instruments

Ticker: NYSE: AME
Business: Industrial Instruments For Measurement, Display, and Control
Headquarters: Berwyn, PA
Incorporated in: Delaware
SEC CIK: 1037868

Ametek, Inc is a public company in Industrial Instruments For Measurement, Display, and Control, based in Berwyn, PA (traded on NYSE as AME, incorporated in Delaware). It appears in 291 federal civil lawsuits in this index, most often as a defendant (277 of 291). These cases are most often Product Liability and Contract matters, filed between 1990 and 2025, most frequently in District Court, E.D. Pennsylvania. The most common causes of action are Patent Infringement, Personal Injury, and Breach of Contract. Frequent opposing parties include Smith, Wigley, and Ross.

291

Lawsuits

277

As Defendant

As Plaintiff

Open

290

Terminated

1990–2025

Span

7 mo

Median Duration

8.1 cases/yrPredominantly defendant · 95%Product Liability-heavy · 80%Activity declining

Cases by State

Open Cases Over Time

1990peak 113 open2025

Case Types Over Time

19902025

Product LiabilityContractCivil RightsPatentFederal Tax / Statutory Actions

Filings by Year

19902025

Case Types filter →

Federal Tax / Statutory Actions9

Labor5

Where Filed filter →

Frequent Opposing Parties

291 Cases — Newest First

Ametek, Inc v. Niche Polymer LLC

Contract Open District Court, D. DelawareNo. 1:25-cv-01540Filed 12/19/2025
Ametek, Inc v. Linares

Federal Tax / Statutory Actions Terminated District Court, S.D. FloridaNo. 1:24-cv-22622Filed 07/10/2024
Lamplight Licensing LLC v. Ametek, Inc

Patent Terminated District Court, S.D. TexasNo. 5:22-cv-00050Filed 05/31/2022
Cedar Lane Technologies Inc v. Ametek, Inc

Patent Terminated District Court, D. DelawareNo. 1:21-cv-01289Filed 09/10/2021
Swirlate Ip LLC v. Ametek, Inc

Patent Terminated District Court, D. DelawareNo. 1:21-cv-00916Filed 06/28/2021
Karamelion LLC v. Ametek, Inc

Patent Terminated District Court, D. DelawareNo. 1:20-cv-00142Filed 01/29/2020
Coffin v. Ametek Inc

Product Liability Terminated District Court, D. MaineNo. 2:18-cv-00472Filed 11/15/2018
Coffin v. Ametek Inc

Product Liability Terminated District Court, D. Rhode IslandNo. 1:18-cv-00348Filed 06/26/2018
Wireless Monitoring Systems LLC v. Ametek, Inc

Patent Terminated District Court, D. DelawareNo. 1:18-cv-00601Filed 04/20/2018
Csx Transportation, Inc v. Ametek, Inc

Banking / Commerce Terminated District Court, N.D. OhioNo. 3:17-cv-02429Filed 11/20/2017
Herman v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:17-cv-01602Filed 04/07/2017
O'Dell v. Ametek, Inc

Labor Terminated District Court, W.D. PennsylvaniaNo. 2:16-cv-01711Filed 11/14/2016
Cushman v. Ametek, Inc

Civil Rights Terminated District Court, E.D. PennsylvaniaNo. 2:16-cv-04791Filed 09/06/2016
Vindum Engineering, Inc v. Ametek, Inc

Contract Terminated District Court, N.D. OklahomaNo. 4:16-cv-00480Filed 07/21/2016
Ametek, Inc v. North Shore International, Inc

Contract Terminated District Court, E.D. New YorkNo. 2:16-cv-02258Filed 05/05/2016
MacNeil Ip LLC v. Ametek, Inc

Patent Terminated District Court, N.D. IllinoisNo. 1:15-cv-07428Filed 08/24/2015
Rounsavall v. Ametek, Inc

Product Liability Terminated District Court, N.D. AlabamaNo. 5:12-cv-02785Filed 08/23/2012
Warman v. Ametek, Inc

Civil Rights Terminated District Court, E.D. PennsylvaniaNo. 2:12-cv-03909Filed 07/11/2012
Ametek, Inc v. Parts Cleaning Technologies, LLC

Contract Terminated District Court, E.D. New YorkNo. 2:12-cv-01245Filed 03/14/2012
Semsarzadeh v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:10-cv-78926Filed 08/03/2010
Quintero v. Ametek, Inc

Labor Terminated District Court, D. MassachusettsNo. 1:10-cv-10607Filed 04/12/2010
Semsarzadeh v. Ametek Inc

Product Liability Terminated District Court, D. DelawareNo. 1:09-cv-00870Filed 11/16/2009
Hollifield v. Ametek, Inc

Civil Rights Terminated District Court, E.D. OklahomaNo. 6:08-cv-00463Filed 12/11/2008
Gandy v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87765Filed 08/15/2008
Fuller v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87749Filed 08/15/2008
Ross v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87719Filed 08/15/2008
Puckett v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87699Filed 08/15/2008
Henry v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87763Filed 08/15/2008
King v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87745Filed 08/15/2008
Mccray v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87743Filed 08/15/2008
Pipkin v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87735Filed 08/15/2008
Green v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87736Filed 08/15/2008
Lantrip v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87733Filed 08/15/2008
Ross v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87718Filed 08/15/2008
Henry v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87716Filed 08/15/2008
Brown v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87700Filed 08/15/2008
Grimes v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87698Filed 08/15/2008
Essary v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-87715Filed 08/15/2008
Cummins v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-85805Filed 08/11/2008
Overton v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-85973Filed 08/07/2008
Hill v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-85926Filed 08/07/2008
Springs v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 5:08-cv-87034Filed 08/07/2008
Arnold v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-86013Filed 08/07/2008
Tickell v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-86010Filed 08/07/2008
Harvison v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-86009Filed 08/07/2008
Grant v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-86006Filed 08/07/2008
Danley v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-86005Filed 08/07/2008
Pedersen v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-86000Filed 08/07/2008
Sullivan v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-86002Filed 08/07/2008
Smith v. Ametek, Inc

Product Liability Terminated District Court, E.D. PennsylvaniaNo. 2:08-cv-86003Filed 08/07/2008

Showing 1–50 of 291