Exafer Ltd v. Microsoft Corporation

Summary

Exafer sues Microsoft for patent infringement in federal court.

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

Coverage vs reality meter

Entities in this case

Parties

EXAFER LTD (plaintiff) MICROSOFT CORPORATION (defendant)

Docket entries

1. #702026-05-20

   Entry of Appearance for Charles Duan as counsel for Charles Duan. Service: 05/20/2026 by email. [1168332] [24-2296] [Charles Duan] [Entered: 05/20/2026 11:01 AM]

2. #692026-05-08

   13 paper copies of Doc. No. [68] received from Appellee Microsoft Corporation. [1166190] [CDL] [Entered: 05/11/2026 12:45 PM]

3. #682026-05-06

   MODIFIED ENTRY: Petition for panel rehearing, for en banc rehearing filed by Appellee Microsoft Corporation. Service: 05/06/2026 by email. [1165369]--[Edited 05/07/2026 by MVH - Reason: to correct relief] [Kelly Hunsaker] [Entered: 05/06/2026 09:58 PM]

4. #672026-03-20

   ORDER filed granting motion to extend time to file petition for rehearing/en banc [65] filed by Appellee Microsoft Corporation. No further extensions. Petition for Rehearing due on or before 05/06/2026. By: Merits Panel (Per Curiam). Service as of this date by the Clerk of Court. [1154498] [MVH] [Entered: 03/20/2026 04:28 PM]

5. #662026-03-20

   Bill of Costs for Appellant Exafer Ltd. Service: 03/20/2026 by email. [1154199] [24-2296] [Ronald Daignault] [Entered: 03/20/2026 09:59 AM]

6. #652026-03-19

   MOTION of Appellee Microsoft Corporation to extend the time to file a Combined Petition for Panel Rehearing and Rehearing En Banc until 05/06/2026. Service: 03/19/2026 by email. [1154128] [24-2296] [Eimeric Reig-Plessis] [Entered: 03/19/2026 05:52 PM]

7. #642026-03-19

   Notice from Appellee Microsoft Corporation Withdrawal of Non-Principal Counsel Michael R. Rueckheim. Service: 03/19/2026 by email. [1154121] [24-2296] [Eimeric Reig-Plessis] [Entered: 03/19/2026 05:14 PM]

8. #632026-03-06

   JUDGMENT. REVERSED-IN-PART, VACATED-IN PART, AND REMANDED. Terminated on the merits after oral argument. COSTS: Costs taxed against Appellee(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. [1151494] [MVH] [Entered: 03/06/2026 10:03 AM]

9. #622026-03-06

   OPINION filed for the court by Moore, Chief Judge; Taranto, Circuit Judge and Stoll, Circuit Judge. Precedential Opinion. Service as of this date by the Clerk of Court. [1151492] [MVH] [Entered: 03/06/2026 10:02 AM]

10. #612026-02-04

    Submitted after ORAL ARGUMENT to Panel: Moore, Chief Judge; Taranto, Circuit Judge and Stoll, Circuit Judge.Arguing counsel: Elizabeth Bernard for Exafer Ltd and Kelly Catherine Hunsaker for Microsoft Corporation.Oral Argument Audio available here. [1145076] [MJL] [Entered: 02/04/2026 02:52 PM]

11. #602026-01-28

    RESPONSE of Appellant Exafer Ltd to Doc No. [59]. Service: 01/28/2026 by email. [1143525] [24-2296] [Elizabeth Bernard] [Entered: 01/28/2026 11:09 AM]

12. #592026-01-23

    Citation of Supplemental Authority pursuant to Fed. R. App. P. 28(j) for Appellee Microsoft Corporation. Service: 01/23/2026 by email. [1142762] [24-2296] [Kelly Hunsaker] [Entered: 01/23/2026 08:43 PM]

13. #582026-01-02

    Clerk's letter to the parties regarding February court session logistics. Arguing counsel are to complete the Emergency Notification Form linked in this letter no later than 01/23/2026. Service as of this date by the Clerk of Court. [1138188] [MJL] [Entered: 01/02/2026 03:14 PM]

14. #572025-12-22

    Response to notice of oral argument from Appellee Microsoft Corporation. Service: 12/22/2025 by email. [1136261] [24-2296] [Kelly Hunsaker] [Entered: 12/22/2025 02:52 PM]

15. #562025-12-22

    Response to notice of oral argument from Appellant Exafer Ltd. Service: 12/22/2025 by email. [1135995] [24-2296] [Elizabeth Bernard] [Entered: 12/22/2025 09:18 AM]

16. #552025-12-17

    NOTICE OF ORAL ARGUMENT. Panel: 2602E. Case scheduled February 4, 2026. Response to Notice of Oral Argument due: 12/31/2025. 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. [1135230] [GWK] [Entered: 12/17/2025 10:34 AM]

17. #542025-11-13

    The following conflict dates submitted by Katherine Vidal for Microsoft Corporation have been accepted by the court: 01/05/2026, 01/06/2026, 01/07/2026, 01/08/2026, 01/09/2026, 02/09/2026. [1127742] [MJL] [Entered: 11/13/2025 01:35 PM]

18. #532025-11-11

    Notice from Appellee Microsoft Corporation regarding conflicts with oral argument. Service: 11/11/2025 by email. [1127109] [24-2296] [Kelly Hunsaker] [Entered: 11/11/2025 09:15 PM]

19. #522025-11-11

    Amended Entry of Appearance for Katherine Vidal as counsel for Appellee Microsoft Corporation. Service: 11/11/2025 by email. [1127108] [24-2296] [Kelly Hunsaker] [Entered: 11/11/2025 09:12 PM]

20. #512025-11-05

    Notice from Appellant Exafer Ltd regarding conflicts with oral argument. Service: 11/05/2025 by email. [1125747] [24-2296] [Ronald Daignault] [Entered: 11/05/2025 11:25 AM]

Docket history from CourtListener/RECAP — most recent first.