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
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.
8.4 cases/yr Predominantly defendant · 78% Activity declining
Cases by State
AL — 11 cases AZ — 3 cases AR — 1 cases CA — 0 cases CO — 3 cases CT — 9 cases DE — 12 cases DC — 0 cases FL — 6 cases GA — 4 cases ID — 0 cases IL — 16 cases IN — 16 cases IA — 1 cases KS — 1 cases KY — 4 cases LA — 7 cases ME — 4 cases MD — 1 cases MA — 6 cases MI — 22 cases MN — 2 cases MS — 5 cases MO — 7 cases MT — 0 cases NE — 1 cases NV — 2 cases NH — 1 cases NJ — 5 cases NM — 0 cases NY — 8 cases NC — 9 cases ND — 1 cases OH — 72 cases OK — 5 cases OR — 1 cases PA — 11 cases RI — 1 cases SC — 5 cases SD — 0 cases TN — 5 cases TX — 25 cases UT — 1 cases VT — 0 cases VA — 0 cases WA — 0 cases WV — 1 cases WI — 6 cases WY — 0 cases
HI · 1
Open Cases Over Time
1990 peak 12 open 2025
Case Types Over Time
1990 2025
Frequent Opposing Parties
12 Cases — Newest First
Patent
Terminated
District Court, D. Delaware No. 1:21-cv-01839 Filed 12/28/2021
Patent
Terminated
District Court, D. Delaware No. 1:07-cv-00266 Filed 05/16/2007
Patent
Terminated
District Court, D. Delaware No. 1:07-cv-00104 Filed 02/22/2007
Patent
Terminated
District Court, D. Delaware No. 1:06-cv-00754 Filed 12/08/2006
Patent
Terminated
District Court, D. Delaware No. 1:06-cv-00756 Filed 12/08/2006
Patent
Terminated
District Court, D. Delaware No. 1:06-cv-00755 Filed 12/08/2006
Patent
Terminated
District Court, D. Delaware No. 1:06-cv-00753 Filed 12/08/2006
Patent
Terminated
District Court, D. Delaware No. 1:06-cv-00751 Filed 12/08/2006
Patent
Terminated
District Court, D. Delaware No. 1:06-cv-00750 Filed 12/08/2006
Patent
Terminated
District Court, D. Delaware No. 1:06-cv-00752 Filed 12/08/2006
Contract
Terminated
District Court, D. Delaware No. 1:03-cv-00787 Filed 08/07/2003
Patent
Terminated
District Court, D. Delaware No. 1:00-cv-00751 Filed 08/15/2000
