Astellas Pharma Inc v. Renata Limited

Court

District Court, D. Delaware (D. Del.)
Official Court Website →

Assigned judge

Maryellen Noreika · 2,011 cases in index

Docket number

1:25-cv-01383

Cause

35:271 Patent Infringement
35 U.S.C. § 271 — Patent infringement

Nature of suit

835 Patent - Abbreviated New Drug Application(ANDA)
Hatch-Waxman patent disputes over a generic-drug (ANDA) application.

Jurisdiction

Federal Question

Jury demand

None

Date filed

11/14/2025

1,113 Patent - ANDA cases in this court are indexed here.

Parties

• plaintiff · Astellas Pharma Inc · 45 cases
• defendant · Renata Limited · 2 cases

About Patent - ANDA Lawsuits

ANDA patent cases arise when a generic-drug maker files an Abbreviated New Drug Application and the brand-name patent holder sues for infringement under the Hatch-Waxman Act.

Frequently Asked Questions

What is Astellas Pharma Inc v. Renata Limited?

Astellas Pharma Inc v. Renata Limited is a federal patent - anda lawsuit filed on 11/14/2025 in the District Court, D. Delaware. The case is currently open in the federal court system. ANDA patent cases arise when a generic-drug maker files an Abbreviated New Drug Application and the brand-name patent holder sues for infringement under the Hatch-Waxman Act.

What type of case is this?

It is classified as “Patent - ANDA” under the federal nature-of-suit system. ANDA patent cases arise when a generic-drug maker files an Abbreviated New Drug Application and the brand-name patent holder sues for infringement under the Hatch-Waxman Act.

What court is the case in?

The case is in the District Court, D. Delaware, docket number 1:25-cv-01383.

When was the case filed?

Astellas Pharma Inc v. Renata Limited was filed on 11/14/2025. The case is currently open.

What law is the case brought under?

The docket lists the cause as 35 U.S.C. § 271 — Patent infringement.