Otsuka Pharmaceutical Co., Ltd. v. MSN Pharmaceuticals Inc. et al
| Otsuka Pharmaceutical Co., Ltd. |
| MSN Pharmaceuticals Inc. and MSN Laboratories Private Limited |
| 1:2026cv00496 |
| April 30, 2026 |
| U.S. District Court for the District of Delaware |
| Stephanos Bibas |
| Patent - Abbreviated New Drug Application(ANDA) |
| 35 U.S.C. ยง 271 Patent Infringement |
| None |
Docket Report
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This docket was last retrieved on June 4, 2026. A more recent docket listing may be available from PACER.
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Filing 8
SO ORDERED, granting D.I. #7 STIPULATION Regarding Service of Complaint and Time to Respond re #1 Complaint. The deadline by which MSN must answer, move, or otherwise respond to Otsuka's Complaint is August 31, 2026. Signed by Judge Stephanos Bibas on 06/04/2026. (mrr)
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| Filing 7 STIPULATION Regarding Service of Complaint and Time to Respond re #1 Complaint, - filed by Otsuka Pharmaceutical Co., Ltd.. (Tigan, Jeremy) |
| Case Assigned to Judge Stephanos Bibas of the United States Court of Appeals for the Third Circuit, due to related cases. Please include the initials of the Judge (SB) after the case number on all documents filed. (alb) |
| Filing 6 Summons Issued as to MSN Laboratories Private Limited on 4/30/2026; MSN Pharmaceuticals Inc. on 4/30/2026. (Attachments: #1 Summons Issued)(scs) |
| Filing 5 Disclosure Statement pursuant to Rule 7.1: identifying Corporate Parent Otsuka Holdings Co., Ltd. for Otsuka Pharmaceutical Co., Ltd. filed by Otsuka Pharmaceutical Co., Ltd.. (scs) |
| Filing 4 Report to the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 8,501,730 B2; 10,905,694 B2; 8,273,735 B2. (scs) |
| Filing 3 Supplemental information for patent cases involving an Abbreviated New Drug Application (ANDA) - Date Patentee(s) Received Notice: March 20, 2026. Date of Expiration of Patent: September 1, 2026, April 7, 2030, August 14, 2028.Thirty Month Stay Deadline: 9/20/2028. (scs) |
| Filing 2 Notice, Consent and Referral forms re: U.S. Magistrate Judge jurisdiction. (scs) |
| Filing 1 COMPLAINT for Patent Infringement against MSN Laboratories Private Limited, MSN Pharmaceuticals Inc. (Filing fee $ 405, receipt number ADEDC-4960184) - filed by Otsuka Pharmaceutical Co., Ltd.. (Attachments: #1 Exhibits A-C, #2 Civil Cover Sheet)(scs) |
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