Hetero Labs Limited v. Otsuka America Pharmaceutical, Inc. - 1:26-cv-01013

Hetero Labs Limited v. Otsuka America Pharmaceutical, Inc. (Case No. 1:26-cv-01013), filed on Aug 10, 2026 in the District Court, D. Delaware 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
1:26-cv-01013
Filing Date
Aug 10, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, D. Delaware
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
Camber Pharmaceuticals, Inc. -
Hetero Labs Ltd. Unit III -
Otsuka America Pharmaceutical, Inc. -
Avanir Pharmaceuticals, LLC -

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

Aug 11, 2026Summons Issued as to Avanir Pharmaceuticals, LLC on 8/11/2026; Otsuka America Pharmaceutical, Inc. on 8/11/2026. (Attachments: # 1 Summons Issued, Otsuka America Pharmaceutical, Inc.)(jfm) (Entered: 08/11/2026)PACER Document
Aug 10, 2026Disclosure Statement pursuant to Rule 7.1: identifying Corporate Parent Camber Pharmaceuticals, Inc., Other Affiliate Hetero Drugs Limited, Other Affiliate Hetero Labs Ltd. Unit III for Hetero Labs Limited - filed by Camber Pharmaceuticals, Inc., Hetero Labs Limited, Hetero Labs Ltd. Unit III. (jfm) (Entered: 08/11/2026)PACER Document
Aug 10, 2026Report to the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 7,659,282B2. (jfm) (Entered: 08/11/2026)PACER Document
Aug 10, 2026Supplemental information for patent cases involving an Abbreviated New Drug Application (ANDA) - Date Patentee(s) Received Notice: 10/11/2023. Date of Expiration of Patent: 08/13/2026.Thirty Month Stay Deadline: 8/13/2026. (jfm) (Entered: 08/11/2026)PACER Document
Aug 10, 2026Notice, Consent and Referral forms re: U.S. Magistrate Judge jurisdiction. (jfm) (Entered: 08/11/2026)PACER Document
Aug 10, 2026COMPLAINT FOR PATENT INFRINGEMENT filed with Jury Demand against Avanir Pharmaceuticals, LLC, Otsuka America Pharmaceutical, Inc. (Filing fee $ 405, receipt number ADEDC-5038276) - filed by Hetero Labs Ltd. Unit III, Hetero Labs Limited, Camber Pharmaceuticals, Inc. (Attachments: # 1 Exhibit A, # 2 Civil Cover Sheet)(jfm) (Entered: 08/11/2026)PACER Document