Exelixis, Inc. v. Handa Pharmaceuticals, Inc. - 1:26-cv-00813

Exelixis, Inc. v. Handa Pharmaceuticals, Inc. (Case No. 1:26-cv-00813), filed on Jul 6, 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-00813
Filing Date
Jul 6, 2026
Cause of Action
Patent Infringement
Status
-
Court
District Court, D. Delaware
Nature of Suit
Patent

Parties Involved

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

NameRepresented By
Exelixis, Inc. -
Handa Pharmaceuticals, Inc. -

Patents Involved

This case involves 5 patents, each of which is central to the dispute. These patents may be subject to claims of infringement, challenges to their validity, or other issues concerning their scope and enforcement.

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

Jul 7, 2026Summons Issued as to Handa Oncology, LLC on 7/7/2026; Handa Pharma, Inc. on 7/7/2026; Handa Pharmaceuticals, Inc. on 7/7/2026. (Attachments: # 1 Summons Issued, # 2 Summons Issued)(mrr) (Entered: 07/07/2026)PACER Document
Jul 6, 2026Disclosure Statement pursuant to Rule 7.1: No Parents or Affiliates Listed filed by Exelixis, Inc. (mrr) (Entered: 07/07/2026)PACER Document
Jul 6, 2026Report to the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 9,174,947 B2; 9,365,516 B2; 9,969,692 B2; 10,123,999 B2 ; 10,736,886 B2. (mrr) (Entered: 07/07/2026)PACER Document
Jul 6, 2026Notice, Consent and Referral forms re: U.S. Magistrate Judge jurisdiction. (mrr) (Entered: 07/07/2026)PACER Document
Jul 6, 2026COMPLAINT for Patent Infringement against Handa Oncology, LLC, Handa Pharma, Inc., Handa Pharmaceuticals, Inc. (Filing fee $ 405, receipt number ADEDC-5009032) - filed by Exelixis, Inc. (Attachments: # 1 Exhibits A-G, # 2 Civil Cover Sheet)(mrr) (Entered: 07/07/2026)PACER Document
Jul 7, 2026SUMMONS Returned Executed by Exelixis, Inc..Handa Pharma, Inc. served on 7/7/2026, answer due 7/28/2026. (Raucci, Anthony) (Entered: 07/07/2026)PACER Document
Jul 6, 2026COMPLAINT for Patent Infringement against Handa Oncology, LLC, Handa Pharma, Inc., Handa Pharmaceuticals, Inc. (Filing fee $ 405, receipt number ADEDC-5009032) - filed by Exelixis, Inc. (Attachments: # 1 Exhibits A-G, # 2 Civil Cover Sheet)(mrr) (Entered: 07/07/2026)Attachment
Jul 6, 2026COMPLAINT for Patent Infringement against Handa Oncology, LLC, Handa Pharma, Inc., Handa Pharmaceuticals, Inc. (Filing fee $ 405, receipt number ADEDC-5009032) - filed by Exelixis, Inc. (Attachments: # 1 Exhibits A-G, # 2 Civil Cover Sheet)(mrr) (Entered: 07/07/2026)Attachment