Biogen MA Inc. et al v. Somerset Therapeutics, LLC et al
Plaintiff: Biogen MA Inc., Biogen Inc., Cold Spring Harbor Laboratory and Ionis Pharmaceuticals, Inc.
Defendant: Somerset Therapeutics Private Limited, Somerset Therapeutics, LLC, Somerset Pharma, LLC, Somerset Therapeutics Limited and Odin Pharmaceuticals, LLC
Case Number: 1:2026cv00735
Filed: June 22, 2026
Court: U.S. District Court for the District of Delaware
Presiding Judge: Colm F Connolly
Nature of Suit: Patent - Abbreviated New Drug Application(ANDA)
Cause of Action: 35 U.S.C. § 271 Patent Infringement
Jury Demanded By: None
Docket Report

This docket was last retrieved on July 2, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
July 2, 2026 Opinion or Order Filing 16 SO ORDERED, re (16 in 1:26-cv-00580-CFC, 14 in 1:26-cv-00735-CFC, and 10 in 1:26-cv-00736-CFC) STIPULATION Regarding Consolidation and Scheduling Conference filed by Biogen MA Inc., Biogen Inc. The Somerset I, Somerset II, and Cipla Actions are consolidated for all purposes. All filings shall be made in the lead case, C.A. No. 26-580-CFC. The July 9, 2026 Telephonic Scheduling Conference is RESCHEDULED to August 6, 2026 at 2:00 p.m. See Order for further details. Signed by Judge Colm F. Connolly on 7/2/2026. Associated Cases: 1:26-cv-00580-CFC, 1:26-cv-00735-CFC, 1:26-cv-00736-CFC(mws)
July 2, 2026 Case associated with lead case: Create association to 1:26-cv-00580-CFC. ALL FUTURE FILINGS SHALL BE MADE IN LEAD CASE NO. 26-580-CFC ONLY. (mws)
July 1, 2026 Filing 15 Letter to The Honorable Colm F. Connolly from Karen Jacobs - re (16 in 1:26-cv-00580-CFC, 10 in 1:26-cv-00736-CFC, 14 in 1:26-cv-00735-CFC) STIPULATION and [Proposed] Order Regarding Consolidation and Scheduling Conference . (Jacobs, Karen)
July 1, 2026 Filing 14 STIPULATION and [Proposed] Order Regarding Consolidation and Scheduling Conference - filed by Biogen Inc., Biogen MA Inc.. (Jacobs, Karen)
June 24, 2026 Filing 13 SUMMONS Returned Executed by Cold Spring Harbor Laboratory, Biogen Inc., Biogen MA Inc., Ionis Pharmaceuticals, Inc..Odin Pharmaceuticals, LLC served on 6/24/2026, answer due 7/15/2026. (Tigan, Jeremy)
June 24, 2026 Filing 12 SUMMONS Returned Executed by Biogen MA Inc., Biogen Inc., Cold Spring Harbor Laboratory, Ionis Pharmaceuticals, Inc..Somerset Therapeutics Private Limited served on 6/24/2026, answer due 7/15/2026. (Tigan, Jeremy)
June 24, 2026 Filing 11 SUMMONS Returned Executed by Biogen Inc., Cold Spring Harbor Laboratory, Biogen MA Inc., Ionis Pharmaceuticals, Inc..Somerset Pharma, LLC served on 6/24/2026, answer due 7/15/2026. (Tigan, Jeremy)
June 24, 2026 Filing 10 SUMMONS Returned Executed by Ionis Pharmaceuticals, Inc., Biogen Inc., Biogen MA Inc., Cold Spring Harbor Laboratory.Somerset Therapeutics, LLC served on 6/24/2026, answer due 7/15/2026. (Tigan, Jeremy)
June 24, 2026 Filing 9 JUDGE COLM F. CONNOLLY STANDING ORDERS. Parties shall comply with all applicable standing orders and consult the Court's website for updates. (mws)
June 24, 2026 Case Assigned to Judge Colm F. Connolly. Please include the initials of the Judge (CFC) after the case number on all documents filed. Associated Cases: 1:26-cv-00735-UNA, 1:26-cv-00736-UNA (alb)
June 23, 2026 Filing 8 Summons Issued as to Odin Pharmaceuticals, LLC on 6/23/2026; Somerset Pharma, LLC on 6/23/2026; Somerset Therapeutics Private Limited on 6/23/2026; Somerset Therapeutics, LLC on 6/23/2026. (Attachments: #1 Summons Issued, #2 Summons Issued, #3 Summons Issued)(lah)
June 23, 2026 CORRECTING ENTRY: The Corporate Parent/Other Affiliate information at D.I. #6 has been corrected. (nms)
June 22, 2026 Filing 7 Disclosure Statement pursuant to Rule 7.1: No Parents or Affiliates Listed filed by Cold Spring Harbor Laboratory. (lah)
June 22, 2026 Filing 6 Disclosure Statement pursuant to Rule 7.1: identifying Other Affiliates The Vanguard Group, Inc., Fidelity Management & Research Company LLC, T. Rowe Price Investment Management, Inc., and T. Rowe Price Group, Inc. for Ionis Pharmaceuticals, Inc., filed by Ionis Pharmaceuticals, Inc. (lah) Modified on 6/23/2026 (nms).
June 22, 2026 Filing 5 Disclosure Statement pursuant to Rule 7.1: identifying Corporate Parent Biogen Inc. for Biogen MA Inc. filed by Biogen Inc., Biogen MA Inc.. (lah)
June 22, 2026 Filing 4 Report to the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 8,361,977 B2; 8,980,853 B2; 9,717,750 B2. (lah)
June 22, 2026 Filing 3 Supplemental information for patent cases involving an Abbreviated New Drug Application (ANDA) - Date Patentee(s) Received Notice: 6/1/2026. Date of Expiration of Patent: See Attached.Thirty Month Stay Deadline: 12/1/2028. (lah)
June 22, 2026 Filing 2 Notice, Consent and Referral forms re: U.S. Magistrate Judge jurisdiction. (lah)
June 22, 2026 Filing 1 COMPLAINT against Odin Pharmaceuticals, LLC, Somerset Pharma, LLC, Somerset Therapeutics Private Limited, Somerset Therapeutics, LLC (Filing fee $405, receipt number ADEDC-4997611) - filed by Cold Spring Harbor Laboratory, Biogen MA Inc., Biogen Inc., Ionis Pharmaceuticals, Inc. (Attachments: #1 Exhibits A-C, #2 Civil Cover Sheet) (lah)

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Defendant: Somerset Therapeutics Private Limited
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Defendant: Somerset Pharma, LLC
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Defendant: Somerset Therapeutics Limited
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Defendant: Odin Pharmaceuticals, LLC
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Plaintiff: Biogen MA Inc.
Represented By: Jeremy A. Tigan
Represented By: Derek James Fahnestock
Represented By: Karen Jacobs
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Plaintiff: Biogen Inc.
Represented By: Jeremy A. Tigan
Represented By: Derek James Fahnestock
Represented By: Karen Jacobs
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Plaintiff: Cold Spring Harbor Laboratory
Represented By: Jeremy A. Tigan
Represented By: Derek James Fahnestock
Represented By: Karen Jacobs
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Plaintiff: Ionis Pharmaceuticals, Inc.
Represented By: Jeremy A. Tigan
Represented By: Derek James Fahnestock
Represented By: Karen Jacobs
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