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Supernus Pharmaceuticals, Inc. v. Ascent Pharmaceuticals Inc. - 2:26-cv-05942

Supernus Pharmaceuticals, Inc. v. Ascent Pharmaceuticals Inc. (Case No. 2:26-cv-05942), filed on Sep 24, 2026 in the District Court, E.D. New York 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
2:26-cv-05942
Filing Date
Sep 24, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, E.D. New York
Nature of Suit
Patent - Abbreviated New Drug Applications (ANDA)

Parties Involved

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

NameRepresented By
Supernus Pharmaceuticals, Inc. -
Ascent 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

Sep 24, 2026COMPLAINT against All Defendants filing fee $ 405, receipt number ANYEDC-20674233 Was the Disclosure Statement on Civil Cover Sheet completed -yes,, filed by Supernus Pharmaceuticals, Inc.. (Attachments: # 1 Exhibit Exhibit A, # 2 Exhibit Exhibit B, # 3 Exhibit Exhibit C, # 4 Exhibit Exhibit D, # 5 Exhibit Exhibit E, # 6 Exhibit Exhibit F) (Giove, Nicholas) (Entered: 09/24/2026)PACER Document
Sep 24, 2026Proposed Summons. Re 1 Complaint, by Supernus Pharmaceuticals, Inc. (Giove, Nicholas) (Entered: 09/24/2026)PACER Document
Sep 24, 2026Civil Cover Sheet.. Re 1 Complaint, by Supernus Pharmaceuticals, Inc. (Giove, Nicholas) (Entered: 09/24/2026)PACER Document
Sep 24, 2026Proposed Summons. Re 1 Complaint, by Supernus Pharmaceuticals, Inc. (Giove, Nicholas) (Entered: 09/24/2026)PACER Document
Sep 24, 2026Proposed Summons. Re 1 Complaint, by Supernus Pharmaceuticals, Inc. (Giove, Nicholas) (Entered: 09/24/2026)PACER Document
Sep 25, 2026Clerk's Notice Re: Consent. A United States Magistrate Judge has been assigned to this case and is available to conduct all proceedings. In accordance with Rule 73 of the Federal Rules of Civil Procedure, Local Rule 73.1, the parties are notified that if all parties consent, the assigned Magistrate Judge is available to conduct all proceedings in this action including a (jury or nonjury) trial and to order the entry of a final judgment. Attached to this Notice is a blank copy of the consent form that should be filled out, signed and filed electronically only if all parties wish to consent. Any party may withhold its consent without adverse substantive consequences. Do NOT return or file the consent unless all parties have signed the consent.The form may also be accessed at the following link: https://www.nyed.uscourts.gov/sites/default/files/uploads/mjconsentform.pdf (LJ) (Entered: 09/25/2026)PACER Document
Sep 25, 2026This attorney case opening filing has been checked for quality control. See the attachment for corrections that were made. (LJ) (Entered: 09/25/2026)PACER Document
Sep 25, 2026Summons Issued as to Ascent Pharmaceuticals Inc., Camber Pharmaceuticals, Inc., Hetero Labs Limited. (LJ) (Entered: 09/25/2026)PACER Document
Sep 25, 2026Notice of Report on the filing of an action regarding a Patent. (Attachments: # 1 Complaint, # 2 Exhibit A, # 3 Exhibit B, # 4 Exhibit C, # 5 Exhibit D, # 6 Exhibit E, # 7 Exhibit F) (LJ) (Entered: 09/25/2026)PACER Document
Sep 28, 2026Corporate Disclosure Statement by Supernus Pharmaceuticals, Inc. (Giove, Nicholas) (Entered: 09/28/2026)PACER Document
Sep 25, 2026Case Assigned to Judge Gary R. Brown and Magistrate Judge Steven I. Locke. Please download and review the Individual Practices of the assigned Judges, located on our website. Attorneys are responsible for providing courtesy copies to judges where their Individual Practices require such. (LJ)PACER Document
Sep 24, 2026COMPLAINT against All Defendants filing fee $ 405, receipt number ANYEDC-20674233 Was the Disclosure Statement on Civil Cover Sheet completed -yes,, filed by Supernus Pharmaceuticals, Inc.. (Attachments: # 1 Exhibit Exhibit A, # 2 Exhibit Exhibit B, # 3 Exhibit Exhibit C, # 4 Exhibit Exhibit D, # 5 Exhibit Exhibit E, # 6 Exhibit Exhibit F) (Giove, Nicholas) (Entered: 09/24/2026)Attachment
Sep 24, 2026COMPLAINT against All Defendants filing fee $ 405, receipt number ANYEDC-20674233 Was the Disclosure Statement on Civil Cover Sheet completed -yes,, filed by Supernus Pharmaceuticals, Inc.. (Attachments: # 1 Exhibit Exhibit A, # 2 Exhibit Exhibit B, # 3 Exhibit Exhibit C, # 4 Exhibit Exhibit D, # 5 Exhibit Exhibit E, # 6 Exhibit Exhibit F) (Giove, Nicholas) (Entered: 09/24/2026)Attachment
Sep 24, 2026COMPLAINT against All Defendants filing fee $ 405, receipt number ANYEDC-20674233 Was the Disclosure Statement on Civil Cover Sheet completed -yes,, filed by Supernus Pharmaceuticals, Inc.. (Attachments: # 1 Exhibit Exhibit A, # 2 Exhibit Exhibit B, # 3 Exhibit Exhibit C, # 4 Exhibit Exhibit D, # 5 Exhibit Exhibit E, # 6 Exhibit Exhibit F) (Giove, Nicholas) (Entered: 09/24/2026)Attachment
Sep 24, 2026COMPLAINT against All Defendants filing fee $ 405, receipt number ANYEDC-20674233 Was the Disclosure Statement on Civil Cover Sheet completed -yes,, filed by Supernus Pharmaceuticals, Inc.. (Attachments: # 1 Exhibit Exhibit A, # 2 Exhibit Exhibit B, # 3 Exhibit Exhibit C, # 4 Exhibit Exhibit D, # 5 Exhibit Exhibit E, # 6 Exhibit Exhibit F) (Giove, Nicholas) (Entered: 09/24/2026)Attachment
Sep 24, 2026COMPLAINT against All Defendants filing fee $ 405, receipt number ANYEDC-20674233 Was the Disclosure Statement on Civil Cover Sheet completed -yes,, filed by Supernus Pharmaceuticals, Inc.. (Attachments: # 1 Exhibit Exhibit A, # 2 Exhibit Exhibit B, # 3 Exhibit Exhibit C, # 4 Exhibit Exhibit D, # 5 Exhibit Exhibit E, # 6 Exhibit Exhibit F) (Giove, Nicholas) (Entered: 09/24/2026)Attachment
Sep 24, 2026COMPLAINT against All Defendants filing fee $ 405, receipt number ANYEDC-20674233 Was the Disclosure Statement on Civil Cover Sheet completed -yes,, filed by Supernus Pharmaceuticals, Inc.. (Attachments: # 1 Exhibit Exhibit A, # 2 Exhibit Exhibit B, # 3 Exhibit Exhibit C, # 4 Exhibit Exhibit D, # 5 Exhibit Exhibit E, # 6 Exhibit Exhibit F) (Giove, Nicholas) (Entered: 09/24/2026)Attachment