Lambeth Magnetic Structures, LLC v. Seagate Technology (US) Holdings Inc.
Plaintiff / Appellant: LAMBETH MAGNETIC STRUCTURES, LLC
Defendant / Cross Appellant: SEAGATE TECHNOLOGY (US) HOLDINGS INC. and SEAGATE TECHNOLOGY, LLC
Case Number: 23-1335
Filed: January 5, 2023
Court: U.S. Court of Appeals, Federal Circuit
Nature of Suit: Patent Infringement (Fed. Qst.)

Opinions

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Date Filed Description
September 17, 2025 LAMBETH MAGNETIC STRUCTURES, LLC v. SEAGATE TECHNOLOGY (US) HOLDINGS INC.

Docket Report

This docket was last retrieved on March 2, 2023. A more recent docket listing may be available from PACER.

Date Filed Document Text
March 2, 2023 Filing 11 **TEXT ONLY** ORDER granting motion to extend time to file brief [ # 10 ] filed by Appellant Lambeth Magnetic Structures, LLC. The opening brief is due 05/05/2023. Service as of this date by the Clerk of Court. This order has been issued without an attached document and is official and binding. [907499] [MMA] [Entered: 03/02/2023 04:19 PM]
February 27, 2023 Filing 10 MOTION of Appellant Lambeth Magnetic Structures, LLC to extend the time to 05/05/2023 to file brief. Service: 02/27/2023 by email. [906527] [23-1335] [Jeffrey Lamken] [Entered: 02/27/2023 03:01 PM]
January 19, 2023 Filing 9 Entry of appearance for Jeffrey A. Lamken; Rayiner Hashem; Swara Saraiya; Denise De Mory; Richard Cheng-Hong Lin; Michael E. Flynn-O'Brien as counsel for Appellant Lambeth Magnetic Structures, LLC. Service: 01/19/2023 by email. [898235] [23-1335] [Jeffrey Lamken] [Entered: 01/19/2023 09:55 PM]
January 19, 2023 Filing 8 Certificate of Interest for Appellant Lambeth Magnetic Structures, LLC. Service: 01/19/2023 by email. [898234] [23-1335] [Jeffrey Lamken] [Entered: 01/19/2023 09:52 PM]
January 19, 2023 Filing 7 Docketing Statement for the Appellant Lambeth Magnetic Structures, LLC. Service: 01/19/2023 by email. [898233] [23-1335] [Jeffrey Lamken] [Entered: 01/19/2023 09:51 PM]
January 19, 2023 Filing 6 Docketing Statement for the Cross-Appellants Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service: 01/19/2023 by email. [898179] [23-1335] [Chad Drown] [Entered: 01/19/2023 05:03 PM]
January 19, 2023 Filing 5 Certificate of Interest for Cross-Appellants Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service: 01/19/2023 by email. [898175] [23-1335] [Chad Drown] [Entered: 01/19/2023 05:01 PM]
January 19, 2023 Filing 4 Entry of appearance for David J.F. Gross (principal counsel); Chad Drown; Kevin P. Wagner; Katherine S. Razavi as counsel for Cross-Appellants Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service: 01/19/2023 by email. [898167] [23-1335] [Chad Drown] [Entered: 01/19/2023 04:57 PM]
January 6, 2023 Filing 3 Official caption revised to reflect Cross-Appeal 23-1346. (see attached). Service as of this date by the Clerk of Court. [895227] [MMA] [Entered: 01/06/2023 02:15 PM]
January 6, 2023 Filing 2 Note to File: The following cases are consolidated: 23-1335 (Lead) with 23-1346 (Cross-Appeal). The parties must file all documents in the lead appeal only. [895225] [23-1335, 23-1346] [MMA] [Entered: 01/06/2023 02:13 PM]
January 5, 2023 Filing 1 Appeal docketed. Received: 12/21/2022. [894874] Entry of Appearance due 01/19/2023. Certificate of Interest is due on 01/19/2023. Docketing Statement due 01/19/2023. Appellant's brief is due 03/06/2023. [MMA] [Entered: 01/05/2023 01:03 PM]

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Search for this case: Lambeth Magnetic Structures, LLC v. Seagate Technology (US) Holdings Inc.
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Plaintiff / appellant: LAMBETH MAGNETIC STRUCTURES, LLC
Represented By: Denise Marie De Mory
Represented By: Jeffrey A. Lamken
Represented By: Michael Eli Flynn-O'Brien
Represented By: Rayiner Hashem
Represented By: Swara Saraiya
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Defendant / cross appellant: SEAGATE TECHNOLOGY (US) HOLDINGS INC.
Represented By: Chad Drown
Represented By: David J.F. Gross
Represented By: Katherine S. Razavi
Represented By: Kevin P. Wagner
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Defendant / cross appellant: SEAGATE TECHNOLOGY, LLC
Represented By: Chad Drown
Represented By: David J.F. Gross
Represented By: Katherine S. Razavi
Represented By: Kevin P. Wagner
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