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IP Verse

Astellas Pharma Inc. v. Renata Limited - 1:25-cv-01383

Astellas Pharma Inc. v. Renata Limited (Case No. 1:25-cv-01383), filed on Nov 14, 2025 in the District Court, D. Delaware involving patent infringement. This case involves patent infringement claims between the parties. Explore details about the litigants, key filings, and major docket updates.

Case Details

Case Number
1:25-cv-01383
Filing Date
Nov 14, 2025
Cause of Action
Patent Infringement
Status
-
Court
District Court, D. Delaware
Nature of Suit
Patent - Abbreviated New Drug Application(ANDA)

Parties Involved

The following parties are involved in this case, with their respective legal representatives for the case.

NameRepresented By
Somerset Therapeutics, LLC -
Astellas Pharma Inc. -
Renata Limited -

Patents Involved

This case involves 4 patents, each of which is central to the dispute. These patents may be subject to claims of infringement, challenges to their validity, or other issues concerning their scope and enforcement.

Application NumberPatent Number
-US10842780B2
-US12059409B2
-US12097189B2
-US11707451B2

Docket Entries

The Docket Entries section provides a chronological list of all significant filings and court actions in this case.

DateDocket EntryType

Set alerts for critical docket entry

Nov 14, 2025Summons Issued as to Renata Limited on 11/14/2025; Somerset Therapeutics, LLC on 11/14/2025. (Attachments: # 1 Summons Issued)(scs) (Entered: 11/14/2025)PACER Document
Nov 14, 2025Disclosure Statement pursuant to Rule 7.1: identifying Other Affiliate Astellas B.V. for Astellas Ireland Co., Ltd.; Other Affiliate Astellas US Holding, Inc. for Astellas Pharma Global Development, Inc. filed by Astellas Ireland Co., Ltd., Astellas Pharma Global Development, Inc., Astellas Pharma Inc.. (scs) (Entered: 11/14/2025)PACER Document
Nov 14, 2025Report to the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 10,842,780; 11,707,451; 12,059,409; 12,097,189. (scs) (Entered: 11/14/2025)PACER Document
Nov 14, 2025Supplemental information for patent cases involving an Abbreviated New Drug Application (ANDA) - Date Patentee(s) Received Notice: October 1, 2025. Date of Expiration of Patent: September 28, 2029.Thirty Month Stay Deadline: 4/1/2028. (scs) (Entered: 11/14/2025)PACER Document
Nov 14, 2025Notice, Consent and Referral forms re: U.S. Magistrate Judge jurisdiction. (scs) (Entered: 11/14/2025)PACER Document
Nov 14, 2025COMPLAINT for Patent Infringement filed against Renata Limited, Somerset Therapeutics, LLC ( Filing fee $ 405, receipt number ADEDC-4837802.) - filed by Astellas Pharma Inc., Astellas Ireland Co., Ltd., Astellas Pharma Global Development, Inc.. (Attachments: # 1 Exhibit A-F, # 2 Civil Cover Sheet)(scs) (Entered: 11/14/2025)PACER Document