Patent 11138997
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
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PTAB activity (1)
AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.
- IPR2026-00015IPRfiled Oct 8, 2025vs. Resonac Hard Disk Corporation et al.Discretionary Denial
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Cases on file (1)
Group view →Specific litigation cases in our database that name US patent 11138997. The free-form analysis below may also discuss cases beyond this list.
- 8:22-cv-01599U.S. District Court for the Central District of Californiajudgment, on appeal
Defendants: Western Digital Technologies Inc.
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Known litigation involving US patent 11138997 is listed below:
1. MR Technologie GmbH v. Western Digital Technologies Inc.
- Plaintiff(s): MR Technologie GmbH (MRT)
- Defendant(s): Western Digital Technologies Inc.
- Jurisdiction: U.S. District Court for the Central District of California
- Case Number: 8:22-cv-01599
- Filing Date: August 2022
- Outcome/Current Status: A California jury ruled in favor of MR Technologies, finding that Western Digital infringed claims 1 and 7 of US Patent 11138997 (among other claims from other patents). The jury awarded MR Technologies $262 million in damages, and the court added approximately $117 million in prejudgment interest, bringing the total judgment to around $380 million. Western Digital has stated its intent to appeal the decision.
Generated 5/25/2026, 6:46:21 AM