Microsoft Corporation v. X1 Discovery, Inc.
Appellant: MICROSOFT CORPORATION
Appellee: X1 DISCOVERY, INC.
Case Number: 26-2177
Filed: August 20, 2026
Court: U.S. Court of Appeals, Federal Circuit
Nature of Suit: Other
Docket Report

This docket was last retrieved on September 30, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
September 30, 2026 Filing 13 Certified list received. Service: 09/29/2026 by email. Refer to Fed. Cir. R. 31 for calculating brief deadlines from service of the certified list. [1197013] [26-2177, 26-2178, 26-2179] [REL] [Entered: 09/30/2026 08:52 AM]
September 14, 2026 Filing 12 Corrected Entry of Appearance for Kevin P. Martin; Christie LaRochelle; Natasha E. Daughtrey; Gabriel Ferrante as counsel for Appellee X1 Discovery, Inc.. Service: 09/14/2026 by email. [1193345] [26-2177] [Kevin Martin] [Entered: 09/14/2026 06:42 PM]
September 8, 2026 Filing 11 NOTICE OF NON-COMPLIANCE: The submission of Appellee X1 Discovery, Inc., Entry of Appearance [ # 7 ], is not in compliance with the rules of this court (see attached). Compliant document due on 09/15/2026. Service as of this date by the Clerk of Court. [1192021] [REL] [Entered: 09/08/2026 03:52 PM]
September 4, 2026 Filing 10 Note to File: The following cases are consolidated: 26-2177 Lead with 26-2178 and 26-2179 Member Cases. The parties must file all documents in the lead appeal only. [1191436] [26-2177, 26-2178, 26-2179] [REL] [Entered: 09/04/2026 08:54 AM]
September 3, 2026 Filing 9 Notice of Related Case Information for Appellee X1 Discovery, Inc.. Service: 09/03/2026 by email. [1191413] [26-2177] [Kevin Martin] [Entered: 09/03/2026 10:35 PM]
September 3, 2026 Filing 8 Certificate of Interest for Appellee X1 Discovery, Inc.. Service: 09/03/2026 by email. [1191412] [26-2177] [Kevin Martin] [Entered: 09/03/2026 10:31 PM]
September 3, 2026 Filing 7 Entry of Appearance for Kevin P. Martin; Christie LaRochelle; Natasha E. Daughtrey; Gabriel Ferrante; as counsel for Appellee X1 Discovery, Inc.. Service: 09/03/2026 by email. [1191411] [26-2177] This document is non-compliant. See Doc No. [ # 11 ] [Kevin Martin] [Entered: 09/03/2026 10:27 PM]
September 3, 2026 Opinion or Order Filing 6 ORDER consolidating appeals (26-2177, 26-2178, 26-2179). The Certified Lists are due no later than September 29, 2026. Service as of this date by the Clerk of Court. [1191280] [26-2177, 26-2178, 26-2179] [REL] [Entered: 09/03/2026 02:21 PM]
September 3, 2026 Filing 5 Notice of Related Case Information for Appellant Microsoft Corporation. Service: 09/03/2026 by email. [1191243] [26-2177] [Andrew Mason] [Entered: 09/03/2026 01:29 PM]
September 3, 2026 Filing 4 Docketing Statement for the Appellant Microsoft Corporation. Service: 09/03/2026 by email. [1191240] [26-2177] [Andrew Mason] [Entered: 09/03/2026 01:28 PM]
September 3, 2026 Filing 3 Certificate of Interest for Appellant Microsoft Corporation. Service: 09/03/2026 by email. [1191237] [26-2177] [Andrew Mason] [Entered: 09/03/2026 01:24 PM]
September 3, 2026 Filing 2 Entry of Appearance for Andrew M. Mason; Sarah E. Jelsema; Todd M. Siegel; Samuel B. Thacker as counsel for Appellant Microsoft Corporation. Service: 09/03/2026 by email. [1191233] [26-2177] [Andrew Mason] [Entered: 09/03/2026 01:22 PM]
August 20, 2026 Filing 1 Appeal docketed. Received: 08/19/2026. [1187703] Entry of Appearance due 09/03/2026. Certificate of Interest is due on 09/03/2026. Docketing Statement due 09/03/2026. Certified List due on 09/29/2026. [REL] [Entered: 08/20/2026 03:20 PM]

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Appellant: MICROSOFT CORPORATION
Represented By: Todd M. Siegel
Represented By: Samuel Thacker
Represented By: Sarah Elisabeth Jelsema
Represented By: Andrew M. Mason
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Appellee: X1 DISCOVERY, INC.
Represented By: Christie Larochelle
Represented By: Gabriel Ferrante
Represented By: Natasha Elise Daughtrey
Represented By: Kevin P. Martin
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