Samsung Austin Semiconductor, LLC et al. v. Sung, Chien-Min

IPR2024-00534

The PTAB found all 20 claims of U.S. Patent No. 9138862 unpatentable by anticipation or obviousness over Sung ’026. The technology relates to Chemical Mechanical Polishing (CMP) pad conditioning methods, and the Board concluded that Petitioner successfully established invalidity across all grounds presented.

Jurisdiction
US PTAB
Case Number
IPR2024-00534
Filing Date
29 February 2024
Outcome
final

Practitioner Note

This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Samsung Austin Semiconductor, LLC et al. vs Sung, Chien-Min is valuable context for structuring arguments or assessing risk in similar proceedings.

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