In this index, 151 federal civil lawsuits name a party recorded as Jansen, most often as a plaintiff (124 of 151). These may be different parties who share the name; records here are grouped by name only. These cases are most often Product Liability and Civil Rights matters, filed between 1990 and 2025, most frequently in District Court, E.D. Pennsylvania. Frequent opposing parties include 3M Company, Bayer Corporation, and Janssen Research & Development, LLC.
151
Lawsuits
27
As Defendant
124
As Plaintiff
11
Open
140
Terminated
1990–2025
Span
12 mo
Median Duration
4.2 cases/yrNamed as plaintiff in 82% of casesRecent filings down