In re: Lambeth Magnetic Structures, LLC
Petitioner: In re: LAMBETH MAGNETIC STRUCTURES, LLC
Respondent: SEAGATE TECHNOLOGY (US) HOLDINGS INC. and SEAGATE TECHNOLOGY, LLC
Case Number: 26-142
Filed: May 19, 2026
Court: U.S. Court of Appeals, Federal Circuit
Nature of Suit: Other

Opinions

We have the following opinions for this case:

Date Filed Description
July 7, 2026 In Re LAMBETH MAGNETIC STRUCTURES, LLC

Docket Report

This docket was last retrieved on July 7, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
July 7, 2026 Opinion or Order Filing 17 ORDER filed denying [ # 2 ] Petition for Writ of Mandamus filed by Lambeth Magnetic Structures, LLC. Service as of this date by the Clerk of Court. [1177818] [LMS] [Entered: 07/07/2026 09:59 AM]
June 9, 2026 Opinion or Order Filing 16 Certificate of Interest for Petitioner Lambeth Magnetic Structures, LLC. Service: 06/09/2026 by email. [1172772] [26-142] [Denise De Mory] [Entered: 06/09/2026 01:08 PM]
June 9, 2026 Opinion or Order Filing 15 Entry of Appearance for Denise M. De Mory; Michael E. Flynn-O'Brien; Richard C. Lin as counsel for Petitioner Lambeth Magnetic Structures, LLC. Service: 06/09/2026 by email. [1172771] [26-142] [Denise De Mory] [Entered: 06/09/2026 01:07 PM]
June 9, 2026 Opinion or Order Filing 14 Notice to Petitioner Lambeth Magnetic Structures, LLC: The record of this case indicates that no Entry of Appearance under FCR 47.3(b) and no Certificate of Interest under FCR 47.4 has been filed. Failure to file required documents may result in dismissal or other action as deemed appropriate by the court. See FCR 25(h). Service as of this date by the Clerk of Court. [1172716] [IMH] [Entered: 06/09/2026 11:35 AM]
June 8, 2026 Opinion or Order Filing 13 MODIFIED ENTRY: REPLY of Petitioner Lambeth Magnetic Structures, LLC to response [ # 9 ]. Service: 06/08/2026 by email. [1172590]--[Edited 06/09/2026 by IMH - Reason: to correct filing event] [Denise De Mory] [Entered: 06/08/2026 10:08 PM]
June 3, 2026 Opinion or Order Filing 12 Notice of Related Case Information for Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service: 06/03/2026 by email. [1171534] [26-142] [David Gross] [Entered: 06/03/2026 06:45 PM]
June 3, 2026 Opinion or Order Filing 11 Certificate of Interest for Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service: 06/03/2026 by email. [1171533] [26-142] [David Gross] [Entered: 06/03/2026 06:43 PM]
June 3, 2026 Opinion or Order Filing 10 SUPPLEMENTAL APPENDIX FILED by Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service: 06/03/2026 by email. (PENDING COMPLIANCE REVIEW) [1171532] [26-142] [David Gross] [Entered: 06/03/2026 06:41 PM]
June 3, 2026 Opinion or Order Filing 9 MODIFIED ENTRY: RESPONSE of Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC to Doc No. [ # 2 ]. Service: 06/03/2026 by email. [1171529]--[Edited 06/04/2026 by IMH - Reason: to correct filing event] [David Gross] [Entered: 06/03/2026 06:37 PM]
May 27, 2026 Opinion or Order Filing 8 Corrected Entry of Appearance for David J.F. Gross, Chad Drown, Christopher J. Burrell, Evan Kline-Wedeen as counsel for Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service: 05/27/2026 by email. [1169656] [26-142] [David Gross] [Entered: 05/27/2026 11:04 AM]
May 21, 2026 Opinion or Order Filing 7 ORDER filed granting the motion to extend time to file response [ # 5 ] filed by Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service as of this date by the Clerk of Court. [1168649] [LMS] [Entered: 05/21/2026 11:17 AM]
May 21, 2026 Opinion or Order Filing 6 NOTICE OF NON-COMPLIANCE: The submission of Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC, Entry of Appearance [ # 4 ], is not in compliance with the rules of this court (see attached). Compliant document due on 05/29/2026. Service as of this date by the Clerk of Court. [1168556] [IMH] [Entered: 05/21/2026 08:48 AM]
May 20, 2026 Opinion or Order Filing 5 MOTION of Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC to extend time. Service: 05/20/2026 by email. [1168537] [26-142] [David Gross] [Entered: 05/20/2026 08:14 PM]
May 20, 2026 Opinion or Order Filing 4 Entry of Appearance for David J.F. Gross; Chad Drown, Christopher J. Burrell, Evan Kline-Wedeen as counsel for Respondent Seagate Technology (US) Holdings Inc. and Seagate Technology, LLC. Service: 05/20/2026 by email. [1168536] [26-142] This document is non-compliant. See Doc No.[ # 6 ] [David Gross] [Entered: 05/20/2026 08:11 PM]
May 20, 2026 Opinion or Order Filing 3 ORDER filed directing Seagate Technology (US) Holdings, Inc. and Seagate Technology, LLC to respond no later than seven days from the date of entry of this order. Any reply is due no later than three days thereafter. Service as of this date by the Clerk of Court. [1168292] [LMS] [Entered: 05/20/2026 09:50 AM]
May 19, 2026 Opinion or Order Filing 2 PETITION of Petitioner Lambeth Magnetic Structures, LLC for Writ of Mandamus pursuant to Fed. R. App. P. 21. Service: 05/18/2026 by US mail, email. [1167976] [IMH] [Entered: 05/19/2026 10:14 AM]
May 19, 2026 Opinion or Order Filing 1 Miscellaneous case docketed. Received: 05/18/2026. [1167959] Entry of Appearance is due on 06/02/2026. Certificate of Interest is due on 06/02/2026. [IMH] [Entered: 05/19/2026 10:06 AM]

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Petitioner: In re: LAMBETH MAGNETIC STRUCTURES, LLC
Represented By: Denise Marie De Mory
Represented By: Richard Cheng-Hong Lin Esq.
Represented By: Michael Eli Flynn-O'Brien
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Respondent: SEAGATE TECHNOLOGY (US) HOLDINGS INC.
Represented By: Chad Drown
Represented By: Evan Kline-Wedeen
Represented By: Christopher J. Burrell
Represented By: David J.F. Gross
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Respondent: SEAGATE TECHNOLOGY, LLC
Represented By: Chad Drown
Represented By: Evan Kline-Wedeen
Represented By: Christopher J. Burrell
Represented By: David J.F. Gross
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