Short Summary
Texas Instruments Incorporated filed a petition challenging U.S. Patent No. 8,421,195 regarding CMOS fabrication/doping profiles. The petitioner asserts that the claims are anticipated or obvious based on numerous prior art references including Onoda and Payne. This challenges the patent's validity in semiconductor device technology.
Detailed Summary
Texas Instruments Incorporated (Petitioner) has filed a petition challenging U.S. Patent No. 8,421,195, which covers CMOS fabrication and doping profiles. The petitioner asserts that the claims are unpatentable under both 35 U.S.C. § 102 (anticipation) and § 103 (obviousness). Grounds of challenge rely heavily on prior art references such as Onoda, Payne, Wolf, Parrillo, Sakai, and others. The petitioner argues that the claimed CMOS semiconductor device is either anticipated by a single reference or rendered obvious through combinations of multiple references, particularly regarding complex structures involving graded dopant concentrations and specific implantation/epitaxial methods.
Practitioner Note
This case demonstrates the evidentiary and procedural standards applied in patent matters before local courts. Understanding the court's reasoning in Texas Instruments Incorporated vs Greenthread, LLC is valuable context for structuring arguments or assessing risk in similar proceedings.
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