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

Biogen Inc

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

Public CompanyPharmaceuticals & Biotechnology
Ticker
Nasdaq: BIIB
Business
Biological Products, (No Diagnostic Substances)
Headquarters
Cambridge, MA
Incorporated in
Delaware
SEC CIK
875045

Biogen Inc is a public company in Biological Products, (No Diagnostic Substances), based in Cambridge, MA (traded on Nasdaq as BIIB, incorporated in Delaware). It appears in 45 federal civil lawsuits in this index, most often as a defendant (31 of 45). These cases are most often Patent and Civil Rights matters, filed between 1994 and 2026, most frequently in District Court, D. Massachusetts. The most common causes of action are Patent Infringement, Securities, and Antitrust. Frequent opposing parties include Berlex Laboratories, Gray, and Genentech, Inc.

45
Lawsuits
31
As Defendant
14
As Plaintiff
7
Open
38
Terminated
1994–2026
Span
12 mo
Median Duration
1.4 cases/yrPredominantly defendant · 69%Activity rising

Cases by State

AL — 0 casesAZ — 0 casesAR — 0 casesCA — 0 casesCO — 1 casesCT — 0 casesDE — 4 casesDC — 0 casesFL — 0 casesGA — 0 casesID — 0 casesIL — 4 casesIN — 1 casesIA — 0 casesKS — 0 casesKY — 0 casesLA — 0 casesME — 0 casesMD — 0 casesMA — 23 casesMI — 0 casesMN — 0 casesMS — 0 casesMO — 0 casesMT — 0 casesNE — 0 casesNV — 1 casesNH — 0 casesNJ — 2 casesNM — 0 casesNY — 3 casesNC — 1 casesND — 0 casesOH — 0 casesOK — 0 casesOR — 1 casesPA — 0 casesRI — 1 casesSC — 0 casesSD — 0 casesTN — 0 casesTX — 3 casesUT — 0 casesVT — 0 casesVA — 0 casesWA — 0 casesWV — 0 casesWI — 0 casesWY — 0 cases

Open Cases Over Time

1994peak 7 open2026

Case Types Over Time

19942026
PatentCivil RightsSecurities / CommoditiesContractAntitrust

Filings by Year

19942026

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Patent12
Civil Rights6
Securities / Commodities6
Contract5
Antitrust3
Product Liability3

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Frequent Opposing Parties

45 Cases — Newest First