Docket Nexus — Federal court records.
Company · Metal Fabrication & Hardware

Parker Hannifin Corporation

Federal civil lawsuits naming Parker Hannifin Corporation, a Metal Fabrication & Hardware company.

Ticker
NYSE: PH
Business
Miscellaneous Fabricated Metal Products
Headquarters
Cleveland, OH
Incorporated in
Ohio
SEC CIK
76334

Parker Hannifin Corporation is a public company in Miscellaneous Fabricated Metal Products, based in Cleveland, OH (traded on NYSE as PH, incorporated in Ohio). It appears in 302 federal civil lawsuits in this index, most often as a defendant (235 of 302). These cases are most often Civil Rights and Contract matters, filed between 1990 and 2025, most frequently in District Court, N.D. Ohio. The most common causes of action are Patent Infringement, Breach of Contract, and Employment. Frequent opposing parties include Parker Hannifin Corp, Parker-Hannifin Corp, and Parker-Hannifin Corporation.

302
Lawsuits
235
As Defendant
67
As Plaintiff
2
Open
300
Terminated
1990–2025
Span
9 mo
Median Duration
8.4 cases/yrPredominantly defendant · 78%Activity declining

Cases by State

AL — 11 casesAZ — 3 casesAR — 1 casesCA — 0 casesCO — 3 casesCT — 9 casesDE — 12 casesDC — 0 casesFL — 6 casesGA — 4 casesID — 0 casesIL — 16 casesIN — 16 casesIA — 1 casesKS — 1 casesKY — 4 casesLA — 7 casesME — 4 casesMD — 1 casesMA — 6 casesMI — 22 casesMN — 2 casesMS — 5 casesMO — 7 casesMT — 0 casesNE — 1 casesNV — 2 casesNH — 1 casesNJ — 5 casesNM — 0 casesNY — 8 casesNC — 9 casesND — 1 casesOH — 72 casesOK — 5 casesOR — 1 casesPA — 11 casesRI — 1 casesSC — 5 casesSD — 0 casesTN — 5 casesTX — 25 casesUT — 1 casesVT — 0 casesVA — 0 casesWA — 0 casesWV — 1 casesWI — 6 casesWY — 0 cases
HI · 1

Open Cases Over Time

1990peak 12 open2025

Case Types Over Time

19902025
Civil RightsContractPatentLaborProduct Liability

Filings by Year

19902025
Filtered Labor Clear

30 Cases — Newest First