Reverse Engineered Search Insufficient For IPRPG

Reverse Engineered Search Insufficient For IPR/PGR Estoppel, PTAB Litigation Blog

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In GeigTech East Bay v. Lutron Electronics, patent owner GeigTech argued that Lutron should be estopped under 35 U.S.C. § 325(e)(2) from asserting two prior art grounds that it said Lutron could have reasonably raised in its post-grant review (PGR) petition).  No. 18 Civ. 05290 (CM) (S.D.N.Y. Dec. 21, 2023).  To support its position, GeigTech presented the court with two keyword search strings showing that each of the prior art references could be identified using Google Patents.

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