Amazon.com, Inc. et al. v. NL Giken Inc.

IPR2025-00050

Amazon successfully challenged NL Giken's patent (US 10880592) in the PTAB, leading to institution on claims 1-3 and 5. The petitioner argued that prior art references Walker and Chang rendered the claims obvious in the context of digital broadcasting systems.

Jurisdiction
US PTAB
Case Number
IPR2025-00050
Filing Date
25 November 2024
Outcome
instituted

Practitioner Note

This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Amazon.com, Inc. et al. vs NL Giken Inc. is valuable context for structuring arguments or assessing risk in similar proceedings.

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