Short Summary
The PTAB found claims 1-7 and 18 unpatentable over the prior art reference Toyama under 35 U.S.C. § 103. The Board issued a Final Written Decision after addressing several key claim construction disputes regarding isolation regions, dielectric structures, and local contacts.
Detailed Summary
In this final decision, the PTAB ruled that claims 1 through 7 and claim 18 of patent 10658378 were obvious over the prior art reference Toyama. The Board engaged in detailed claim construction, ultimately adopting a plain meaning interpretation for terms like 'isolation region of the substrate' and defining 'local contacts' as those on channel structures. Despite arguments from the Patent Owner to narrow these scopes based on specific embodiments, the Petitioner successfully demonstrated that Toyama taught the claimed limitations through unitary or combined structural interpretations, leading to the rejection of all challenged claims under § 103.
Practitioner Note
This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Micron Technology, Inc. et al. vs Yangtze Memory Technologies Company, Ltd. is valuable context for structuring arguments or assessing risk in similar proceedings.
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