ImmunoGen, Inc. v. Stewart

Summary

ImmunoGen sued the U.S. Patent and Trademark Office leadership over a patent dispute. The case, heard by the Court of Appeals for the Federal Circuit, involves a challenge to a USPTO decision affecting ImmunoGen's patent rights.

Summary generated by AI from public docket data. Verify against the original filing before relying on it.

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Entities in this case

Parties

IMMUNOGEN, INC. (plaintiff) COKE MORGAN STEWART, Acting Under Secretary of Commerce for Intellectual Property and Acting Director of the United States Patent and Trademark Office (defendant) DERRICK BRENT, Acting Under Secretary of Commerce for Intellectual Property and Acting Director of the United States Patent and Trademark Office (defendant) KATHERINE K. VIDAL, Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office (defendant)

Docket entries

1. #632025-04-28

   Mandate issued to the United States District Court for the Eastern District of Virginia. Service as of this date by the Clerk of Court. [1085466] [MVH] [Entered: 04/28/2025 01:08 PM]

2. #622025-03-18

   Entry of Appearance for Amy J. Nelson as counsel for Appellee Coke Morgan Stewart. Service: 03/18/2025 by email. [1076196] [MVH] [Entered: 03/18/2025 12:51 PM]

3. #612025-03-18

   ORDER filed granting motion for leave for Amy J. Nelson to appear as counsel [60] filed by Appellee Coke Morgan Stewart.. By: Merits Panel (Per Curiam). Service as of this date by the Clerk of Court. [1076186] [MVH] [Entered: 03/18/2025 12:37 PM]

4. #602025-03-14

   MOTION of Appellee Coke Morgan Stewart for leave to file entry of appearance for Amy J. Nelson. Service: 03/14/2025 by email. [1075660] [23-1762] [Mary Kelly] [Entered: 03/14/2025 05:44 PM]

5. #592025-03-14

   Entry of Appearance for Mary Kelly as counsel for Appellee Coke Morgan Stewart. Service: 03/13/2025 by email. [1075584] [MVH] [Entered: 03/14/2025 03:35 PM]

6. #582025-03-14

   ORDER filed granting motion to withdraw attorney [57] filed by Appellee Coke Morgan Stewart.. By: Merits Panel (Per Curiam). Service as of this date by the Clerk of Court. [1075583] [MVH] [Entered: 03/14/2025 03:34 PM]

7. #572025-03-13

   MOTION of Appellee Coke Morgan Stewart to withdraw counsel Daniel Kazhdan. Service: 03/13/2025 by US mail, email. [1075054] [23-1762] [Mary Kelly] [Entered: 03/13/2025 11:28 AM]

8. #562025-03-12

   NOTICE OF NON-COMPLIANCE: The submission of Appellee Coke Morgan Stewart, Entry of Appearance [55], is not in compliance with the rules of this court (see attached). Compliant document due on 03/19/2025. Service as of this date by the Clerk of Court. [1074727] [MVH] [Entered: 03/12/2025 09:43 AM]

9. #552025-03-12

   Entry of Appearance for Amy J. Nelson as counsel for Appellee Coke Morgan Stewart. Service: 03/12/2025 by US mail, email. [1074706] [23-1762]. This document is non-compliant. See Doc. No. [56] [Amy Nelson] [Entered: 03/12/2025 08:08 AM]

10. #542025-03-06

    JUDGMENT. AFFIRMED. Terminated on the merits after oral argument. COSTS: Costs taxed against Appellant(s). Mandate to issue in due course. For information regarding costs, petitions for rehearing, and petitions for writs of certiorari click here. Service as of this date by the Clerk of Court. [1073475] [MVH] [Entered: 03/06/2025 10:14 AM]

11. #532025-03-06

    OPINION filed for the court by Lourie, Circuit Judge; Dyk, Circuit Judge and Prost, Circuit Judge. Precedential Opinion. Service as of this date by the Clerk of Court. [1073474] [MVH] [Entered: 03/06/2025 10:14 AM]

12. #522025-01-29

    Official caption revised to substitute Coke Morgan Stewart, Acting Under Secretary of Commerce for Intellectual Property and Acting Director of the United States Patent and Trademark Office, as appellee. (see attached). Service as of this date by the Clerk of Court. [1064725] [MJL] [Entered: 01/29/2025 09:10 AM]

13. #512024-12-18

    Official caption revised to reflect that Derrick Brent is now Acting Under Secretary of Commerce for Intellectual Property and Acting Director of the United States Patent and Trademark Office. (see attached). Service as of this date by the Clerk of Court. [1055473] [MVH] [Entered: 12/18/2024 04:03 PM]

14. #502024-12-05

    Submitted after ORAL ARGUMENT to Panel: Lourie, Circuit Judge; Dyk, Circuit Judge and Prost, Circuit Judge.Arguing counsel: Michael A. Morin for ImmunoGen, Inc. and Daniel Kazhdan for Katherine K. Vidal.Oral Argument Audio available here. [1052062] [MJL] [Entered: 12/05/2024 01:29 PM]

15. #492024-11-14

    RESPONSE of Appellant ImmunoGen, Inc. to Doc No. [47]. Service: 11/14/2024 by email. [1047044] [23-1762] [Michael Morin] [Entered: 11/14/2024 01:58 PM]

16. #482024-10-30

    Response to notice of oral argument from Appellant ImmunoGen, Inc.. Service: 10/30/2024 by US mail, email. [1043751] [23-1762] [Michael Morin] [Entered: 10/30/2024 03:32 PM]

17. #472024-10-24

    Citation of Supplemental Authority pursuant to Fed. R. App. P. 28(j) for Appellee Katherine K. Vidal. Service: 10/24/2024 by US mail, email. [1042318] [23-1762] [Daniel Kazhdan] [Entered: 10/24/2024 01:19 PM]

18. #462024-10-21

    Response to notice of oral argument from Appellee Katherine K. Vidal. Service: 10/21/2024 by US mail, email. [1041375] [23-1762] [Daniel Kazhdan] [Entered: 10/21/2024 04:50 PM]

19. #452024-10-21

    NOTICE OF ORAL ARGUMENT. Panel: 2412G. Case scheduled December 5, 2024. Response to Notice of Oral Argument due: 11/04/2024. Please review the attached Notice. The response to notice of oral argument form can be found here. The Oral Argument Guide can be found here. Service as of this date by the Clerk of Court. [1041327] [MJL] [Entered: 10/21/2024 04:08 PM]

20. #442024-10-15

    The following conflict dates submitted by Michael A. Morin for ImmunoGen, Inc. have been accepted by the court: 01/06/2025, 01/07/2025, 01/08/2025. [1039383] [MJL] [Entered: 10/15/2024 09:16 AM]

Docket history from CourtListener/RECAP — most recent first.