Docket Nexus — Federal court records.
Company · Pharmaceuticals & Biotechnology

Regeneron Pharmaceuticals, Inc

Federal civil lawsuits naming Regeneron Pharmaceuticals, Inc, a Pharmaceuticals & Biotechnology company.

Public CompanyPharmaceuticals & Biotechnology
Ticker
Nasdaq: REGN
Business
Pharmaceutical Preparations
Headquarters
Tarrytown, NY
Incorporated in
New York
SEC CIK
872589

Regeneron Pharmaceuticals, Inc is a public company in Pharmaceutical Preparations, based in Tarrytown, NY (traded on Nasdaq as REGN, incorporated in New York). It appears in 50 federal civil lawsuits in this index, most often as a defendant (29 of 50). These cases are most often Patent and RICO / Consumer / Other Statutes matters, filed between 2004 and 2026, most frequently in District Court, S.D. New York. The most common causes of action are Patent Infringement, RICO, and Employment Discrimination. Frequent opposing parties include Sandoz Inc, Novartis Pharma Ag, and Genentech, Inc.

50
Lawsuits
29
As Defendant
22
As Plaintiff
20
Open
30
Terminated
2004–2026
Span
17 mo
Median Duration
2.2 cases/yrPredominantly defendant · 58%Patent-heavy · 40%Activity rising

Cases by State

AL — 1 casesAZ — 0 casesAR — 0 casesCA — 0 casesCO — 0 casesCT — 0 casesDE — 1 casesDC — 1 casesFL — 0 casesGA — 0 casesID — 0 casesIL — 0 casesIN — 0 casesIA — 0 casesKS — 0 casesKY — 0 casesLA — 0 casesME — 0 casesMD — 0 casesMA — 6 casesMI — 0 casesMN — 0 casesMS — 0 casesMO — 0 casesMT — 0 casesNE — 0 casesNV — 0 casesNH — 0 casesNJ — 3 casesNM — 0 casesNY — 27 casesNC — 0 casesND — 0 casesOH — 0 casesOK — 0 casesOR — 0 casesPA — 1 casesRI — 0 casesSC — 0 casesSD — 0 casesTN — 1 casesTX — 1 casesUT — 0 casesVT — 0 casesVA — 0 casesWA — 0 casesWV — 9 casesWI — 0 casesWY — 0 cases

Open Cases Over Time

2004peak 21 open2026

Case Types Over Time

20042026
PatentRICO / Consumer / Other StatutesCivil RightsContractLabor

Filings by Year

20042026

Case Types filter →

Patent20
RICO / Consumer / Other Statutes7
Civil Rights6
Contract4
Labor4
Antitrust3

Where Filed filter →

Frequent Opposing Parties

50 Cases — Newest First