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ASTELLAS PHARMA INC. v. MSN PHARMACEUTICALS INC. - 3:26-cv-13220

ASTELLAS PHARMA INC. v. MSN PHARMACEUTICALS INC. (Case No. 3:26-cv-13220), filed on Oct 9, 2026 in the District Court, D. New Jersey 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
3:26-cv-13220
Filing Date
Oct 9, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, D. New Jersey
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
ASTELLAS PHARMA INC. -
MSN PHARMACEUTICALS INC. -

Patents Involved

Patents not found - set an alert to get notified when patents are added.

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

Oct 9, 2026Corporate Disclosure Statement by ASTELLAS PHARMA INC., ASTELLAS PHARMA US, INC., ASTELLAS US LLC, MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC. (WALSH, LIZA) (Entered: 10/09/2026)PACER Document
Oct 9, 2026COMPLAINT against MSN LABORATORIES PRIVATE LIMITED, MSN PHARMACEUTICALS INC., NOVADOZ PHARMACEUTICALS, LLC ( Filing and Admin fee $ 405 receipt number ANJDC-18051400), Related Case Selected, filed by ASTELLAS US LLC, ASTELLAS PHARMA US, INC., ASTELLAS PHARMA INC., MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Civil Cover Sheet, # 6 AO 120 Form)(WALSH, LIZA) (Entered: 10/09/2026)PACER Document
Oct 13, 2026AO120 Patent/Trademark Form filed. (Attachments: # 1 Complaint) (amk, ) (Entered: 10/13/2026)PACER Document
Oct 13, 2026SUMMONS ISSUED as to MSN LABORATORIES PRIVATE LIMITED, MSN PHARMACEUTICALS INC., NOVADOZ PHARMACEUTICALS, LLC. Attached is the official court Summons, please fill out Defendant and Plaintiffs attorney information and serve. (amk, ) (Entered: 10/13/2026)PACER Document
Oct 13, 2026NOTICE of Appearance by CHRISTINE CLARK on behalf of ASTELLAS PHARMA INC., ASTELLAS PHARMA US, INC., ASTELLAS US LLC, MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC (CLARK, CHRISTINE) (Entered: 10/13/2026)PACER Document
Oct 13, 2026NOTICE of Appearance by KATELYN O'REILLY on behalf of ASTELLAS PHARMA INC., ASTELLAS PHARMA US, INC., ASTELLAS US LLC, MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC (O'REILLY, KATELYN) (Entered: 10/13/2026)PACER Document
Oct 9, 2026Judge Michael A. Shipp and Magistrate Judge Rukhsanah L. Singh added. (amk, )PACER Document
Oct 9, 2026COMPLAINT against MSN LABORATORIES PRIVATE LIMITED, MSN PHARMACEUTICALS INC., NOVADOZ PHARMACEUTICALS, LLC ( Filing and Admin fee $ 405 receipt number ANJDC-18051400), Related Case Selected, filed by ASTELLAS US LLC, ASTELLAS PHARMA US, INC., ASTELLAS PHARMA INC., MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Civil Cover Sheet, # 6 AO 120 Form)(WALSH, LIZA) (Entered: 10/09/2026)Attachment
Oct 9, 2026COMPLAINT against MSN LABORATORIES PRIVATE LIMITED, MSN PHARMACEUTICALS INC., NOVADOZ PHARMACEUTICALS, LLC ( Filing and Admin fee $ 405 receipt number ANJDC-18051400), Related Case Selected, filed by ASTELLAS US LLC, ASTELLAS PHARMA US, INC., ASTELLAS PHARMA INC., MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Civil Cover Sheet, # 6 AO 120 Form)(WALSH, LIZA) (Entered: 10/09/2026)Attachment
Oct 9, 2026COMPLAINT against MSN LABORATORIES PRIVATE LIMITED, MSN PHARMACEUTICALS INC., NOVADOZ PHARMACEUTICALS, LLC ( Filing and Admin fee $ 405 receipt number ANJDC-18051400), Related Case Selected, filed by ASTELLAS US LLC, ASTELLAS PHARMA US, INC., ASTELLAS PHARMA INC., MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Civil Cover Sheet, # 6 AO 120 Form)(WALSH, LIZA) (Entered: 10/09/2026)Attachment
Oct 9, 2026COMPLAINT against MSN LABORATORIES PRIVATE LIMITED, MSN PHARMACEUTICALS INC., NOVADOZ PHARMACEUTICALS, LLC ( Filing and Admin fee $ 405 receipt number ANJDC-18051400), Related Case Selected, filed by ASTELLAS US LLC, ASTELLAS PHARMA US, INC., ASTELLAS PHARMA INC., MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Civil Cover Sheet, # 6 AO 120 Form)(WALSH, LIZA) (Entered: 10/09/2026)Attachment
Oct 9, 2026COMPLAINT against MSN LABORATORIES PRIVATE LIMITED, MSN PHARMACEUTICALS INC., NOVADOZ PHARMACEUTICALS, LLC ( Filing and Admin fee $ 405 receipt number ANJDC-18051400), Related Case Selected, filed by ASTELLAS US LLC, ASTELLAS PHARMA US, INC., ASTELLAS PHARMA INC., MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Civil Cover Sheet, # 6 AO 120 Form)(WALSH, LIZA) (Entered: 10/09/2026)Attachment
Oct 9, 2026COMPLAINT against MSN LABORATORIES PRIVATE LIMITED, MSN PHARMACEUTICALS INC., NOVADOZ PHARMACEUTICALS, LLC ( Filing and Admin fee $ 405 receipt number ANJDC-18051400), Related Case Selected, filed by ASTELLAS US LLC, ASTELLAS PHARMA US, INC., ASTELLAS PHARMA INC., MEDIVATION LLC, MEDIVATION PROSTATE THERAPEUTICS LLC. (Attachments: # 1 Exhibit A, # 2 Exhibit B, # 3 Exhibit C, # 4 Exhibit D, # 5 Civil Cover Sheet, # 6 AO 120 Form)(WALSH, LIZA) (Entered: 10/09/2026)Attachment