Enanta Pharmaceuticals, Inc v. Pfizer Inc
Enanta Pharmaceuticals, Inc v. Pfizer Inc is a federal patent lawsuit filed on 06/21/2022 in the District Court, D. Massachusetts. The case was terminated on 02/03/2025.
- Court
- District Court, D. Massachusetts (D. Mass.)
Official Court Website → - Assigned judge
- Denise J. Casper · 1,712 cases in index
- Docket number
- 1:22-cv-10967
- Cause
- 35:271 Patent Infringement
35 U.S.C. § 271 — Patent infringement - Nature of suit
- 830 Patent
Infringement of a patented invention. - Jurisdiction
- Federal Question
- Jury demand
- Both
- Date filed
- 06/21/2022
- Date terminated
- 02/03/2025
2,287 Patent cases in this court are indexed here.
Parties
- plaintiff · Enanta Pharmaceuticals, Inc Pharmaceuticals & Biotechnology
- defendant · Pfizer, Inc Pharmaceuticals & Biotechnology · 12528 cases
Part of a Larger Litigation Pattern
This is one of 12,529 Patent cases in our index naming Pfizer, Inc — a possible mass-tort or coordinated-litigation cluster.
About Patent Lawsuits
Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.
Frequently Asked Questions
What is Enanta Pharmaceuticals, Inc v. Pfizer Inc?
Enanta Pharmaceuticals, Inc v. Pfizer Inc is a federal patent lawsuit filed on 06/21/2022 in the District Court, D. Massachusetts. The case was terminated on 02/03/2025. Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.
What type of case is this?
It is classified as “Patent” under the federal nature-of-suit system. Patent lawsuits allege infringement of a patented invention — that another party made, used, or sold a protected technology without authorization. These cases are common in technology and pharmaceutical industries.
What court is the case in?
The case is in the District Court, D. Massachusetts, docket number 1:22-cv-10967.
When was the case filed?
Enanta Pharmaceuticals, Inc v. Pfizer Inc was filed on 06/21/2022. It was terminated on 02/03/2025.
What law is the case brought under?
The docket lists the cause as 35 U.S.C. § 271 — Patent infringement.
Related Patent Cases
Source: public U.S. federal court record (docket 63399958).