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,, Odin Pharmaceuticals, LLC, Cipla Ltd. and Cipla USA, Inc.
Counter-Claimant: Odin Pharmaceuticals, LLC, Somerset Therapeutics, LLC, Somerset Therapeutics Private Limited and Somerset Pharma, LLC
Counter-Defendant: Biogen Inc., Biogen MA Inc., Cold Spring Harbor Laboratory and Ionis Pharmaceuticals, Inc.
Case Number: 1:2026cv00580
Filed: May 20, 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 15, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
July 15, 2026 Filing 23 ANSWER to #1 Complaint, , COUNTERCLAIM against Biogen Inc., Biogen MA Inc., Cold Spring Harbor Laboratory, Ionis Pharmaceuticals, Inc. by Somerset Therapeutics Private Limited, Somerset Therapeutics, LLC, Odin Pharmaceuticals, LLC, Somerset Pharma, LLC.(Gattuso, Dominick)
July 8, 2026 Filing 22 ANSWER to #12 Answer to Complaint, Counterclaim - by Biogen Inc., Biogen MA Inc..(Fahnestock, Derek)
July 7, 2026 Filing 21 Pro Hac Vice Fee - Credit Card Payment received for Lance A. Soderstrom. ( re #19 MOTION for Pro Hac Vice Appearance of Attorney Matthew M. Holub, Attorney Joseph M. Janusz, Attorney Jitendra "Jitty" Malik, Attorney Deepro R. Mukerjee, Attorney Sara M. Pistilli, and Attorney Lance A. Soderstrom )( Payment of $ 50, receipt number ADEDC-5009604).(Dorsney, Kenneth)
July 7, 2026 Filing 20 Pro Hac Vice Fee - Credit Card Payment received for Matthew M. Holub, Joseph M. Janusz, Jitendra "Jitty" Malik, Deepro R. Mukerjee, and Sara M. Pistilli. ( re #19 MOTION for Pro Hac Vice Appearance of Attorney Matthew M. Holub, Attorney Joseph M. Janusz, Attorney Jitendra "Jitty" Malik, Attorney Deepro R. Mukerjee, Attorney Sara M. Pistilli, and Attorney Lance A. Soderstrom )( Payment of $ 250, receipt number ADEDC-5009596).(Dorsney, Kenneth)
July 7, 2026 Filing 19 MOTION for Pro Hac Vice Appearance of Attorney Matthew M. Holub, Attorney Joseph M. Janusz, Attorney Jitendra "Jitty" Malik, Attorney Deepro R. Mukerjee, Attorney Sara M. Pistilli, and Attorney Lance A. Soderstrom - filed by Cipla Ltd., Cipla USA, Inc.. (Dorsney, Kenneth)
July 7, 2026 Opinion or Order SO ORDERED, re #19 MOTION for Pro Hac Vice Appearance of Attorney Matthew M. Holub, Attorney Joseph M. Janusz, Attorney Jitendra "Jitty" Malik, Attorney Deepro R. Mukerjee, Attorney Sara M. Pistilli, and Attorney Lance A. Soderstrom filed by Cipla Ltd., Cipla USA, Inc. Ordered by Judge Colm F. Connolly on 7/7/2026. (mws)
July 2, 2026 Opinion or Order Filing 18 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 Set Hearings per D.I. #18 : A Telephonic Scheduling Conference is set for 8/6/2026 at 02:00 PM before Judge Colm F. Connolly. (mws)
July 1, 2026 Filing 17 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 16 STIPULATION and [Proposed] Order Regarding Consolidation and Scheduling Conference - filed by Biogen Inc., Biogen MA Inc.. (Jacobs, Karen)
June 18, 2026 Opinion or Order Filing 15 Order Setting Telephonic Scheduling Conference: A Telephonic Scheduling Conference is set for 7/9/2026 at 01:30 PM before Judge Colm F. Connolly. If the parties have no disputes about the scheduling order, the Court will not require the parties to appear at a conference. Signed by Judge Colm F. Connolly on 6/18/2026. (mws)
June 18, 2026 Filing 14 NOTICE OF SERVICE of Defendants Somerset Therapeutics, LLC, Somerset Pharma, LLC, Somerset Therapeutics Private Limited f/k/a Somerset Therapeutics Limited, and Odin Pharmaceuticals, LLC's ANDA production filed by Odin Pharmaceuticals, LLC, Somerset Pharma, LLC, Somerset Therapeutics Private Limited, Somerset Therapeutics, LLC.(Gattuso, Dominick)
June 17, 2026 Filing 13 Disclosure Statement pursuant to Rule 7.1: identifying Corporate Parent Somerset Lifesciences, Inc. for Odin Pharmaceuticals, LLC, Odin Pharmaceuticals, LLC, Somerset Pharma, LLC, Somerset Pharma, LLC, Somerset Therapeutics Private Limited, Somerset Therapeutics Private Limited, Somerset Therapeutics, LLC, Somerset Therapeutics, LLC filed by Odin Pharmaceuticals, LLC, Somerset Pharma, LLC, Somerset Therapeutics Private Limited, Somerset Therapeutics, LLC. (Gattuso, Dominick)
June 17, 2026 Filing 12 ANSWER to #1 Complaint, , COUNTERCLAIM against Biogen Inc., Biogen MA Inc. by Odin Pharmaceuticals, LLC, Somerset Therapeutics, LLC, Somerset Therapeutics Private Limited, Somerset Pharma, LLC.(Gattuso, Dominick)
May 29, 2026 Filing 11 SUMMONS Returned Executed by Biogen MA Inc., Biogen Inc..Odin Pharmaceuticals, LLC served on 5/27/2026, answer due 6/17/2026. (Tigan, Jeremy)
May 29, 2026 Filing 10 SUMMONS Returned Executed by Biogen MA Inc., Biogen Inc..Somerset Therapeutics Private Limited served on 5/27/2026, answer due 6/17/2026. (Tigan, Jeremy)
May 29, 2026 Filing 9 SUMMONS Returned Executed by Biogen MA Inc., Biogen Inc..Somerset Pharma, LLC served on 5/27/2026, answer due 6/17/2026. (Tigan, Jeremy)
May 29, 2026 Filing 8 SUMMONS Returned Executed by Biogen MA Inc., Biogen Inc..Somerset Therapeutics, LLC served on 5/27/2026, answer due 6/17/2026. (Tigan, Jeremy)
May 27, 2026 Filing 7 JUDGE COLM F. CONNOLLY STANDING ORDERS. Parties shall comply with all applicable standing orders and consult the Court's website for updates. (mws)
May 27, 2026 Case Assigned to Judge Colm F. Connolly. Please include the initials of the Judge (CFC) after the case number on all documents filed. (alb)
May 21, 2026 Filing 6 Summons Issued as to Odin Pharmaceuticals, LLC on 5/21/2026; Somerset Pharma, LLC on 5/21/2026; Somerset Therapeutics Private Limited on 5/21/2026; Somerset Therapeutics, LLC on 5/21/2026. (Attachments: #1 Summons Issued, #2 Summons Issued, #3 Summons Issued)(mrr) .
May 20, 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. (mrr)
May 20, 2026 Filing 4 Report to the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 9,926,559, B2; 10,436,802 B2; 12,013,403 B2. (mrr)
May 20, 2026 Filing 3 Supplemental information for patent cases involving an Abbreviated New Drug Application (ANDA) - Date Patentee(s) Received Notice: 04/10/2026. Date of Expiration of Patent: U.S. Patent No. 9,926,559 expires on January 9, 2034, U.S. Patent No. 10,436,802 expires on September 11, 2035, and U.S. Patent No. 12,013,403 expires on March 4, 2036.Thirty Month Stay Deadline: 10/10/2028. (mrr)
May 20, 2026 Filing 2 Notice, Consent and Referral forms re: U.S. Magistrate Judge jurisdiction. (mrr)
May 20, 2026 Filing 1 COMPLAINT against Odin Pharmaceuticals, LLC, Somerset Pharma, LLC, Somerset Therapeutics Private Limited, Somerset Therapeutics, LLC (Filing fee $ 405, receipt number ADEDC-4974153) - filed by Biogen MA Inc., Biogen Inc. (Attachments: #1 Exhibits A-C, #2 Civil Cover Sheet)(mrr)

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Search for this case: Biogen MA Inc. et al v. Somerset Therapeutics, LLC et al
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Defendant: Somerset Therapeutics Private Limited
Represented By: Dominick T. Gattuso
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Defendant: Somerset Therapeutics, LLC
Represented By: Dominick T. Gattuso
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Defendant: Somerset Pharma, LLC
Represented By: Dominick T. Gattuso
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Defendant: Somerset Therapeutics Limited,
Represented By: Dominick T. Gattuso
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Defendant: Odin Pharmaceuticals, LLC
Represented By: Dominick T. Gattuso
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Defendant: Cipla Ltd.
Represented By: Kenneth Laurence Dorsney
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Defendant: Cipla USA, Inc.
Represented By: Kenneth Laurence Dorsney
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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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Counter-claimant: Odin Pharmaceuticals, LLC
Represented By: Dominick T. Gattuso
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Counter-claimant: Somerset Therapeutics, LLC
Represented By: Dominick T. Gattuso
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Counter-claimant: Somerset Therapeutics Private Limited
Represented By: Dominick T. Gattuso
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Counter-claimant: Somerset Pharma, LLC
Represented By: Dominick T. Gattuso
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Counter-defendant: Biogen Inc.
Represented By: Jeremy A. Tigan
Represented By: Derek James Fahnestock
Represented By: Karen Jacobs
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Counter-defendant: Biogen MA Inc.
Represented By: Jeremy A. Tigan
Represented By: Derek James Fahnestock
Represented By: Karen Jacobs
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Counter-defendant: Cold Spring Harbor Laboratory
Represented By: Jeremy A. Tigan
Represented By: Derek James Fahnestock
Represented By: Karen Jacobs
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Counter-defendant: Ionis Pharmaceuticals, Inc.
Represented By: Jeremy A. Tigan
Represented By: Derek James Fahnestock
Represented By: Karen Jacobs
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