35 U.S.C. § 112

PTAB Invalidates Telehealth Patent as Anticipated, Rejects Indefiniteness Challenges, in PG Review

The Patent Trial and Appeal Board recently invalidated a patent related to remote optometry in a Post-Grant Review proceeding.  20_20 Vision Center, LLC v. DigitalOptometrics LLC, PGR2018-00100 (April 15, 2020). The PTAB invalida… Read More

Claim Term “Important” Leads to Indefiniteness

The Eastern District of Texas recently invalidated several patent claims that the court had found indefinite in a separate claim construction ruling in the case Uniloc 2017 v. Samsung. Interestingly, the court found the claim term… Read More

§ 112 Enablement and Written Description in Post-Grant Review

When are written description and enablement requirements of 35 U.S.C. § 112 met, and what is a Petitioner’s burden of showing those requirements are not met in a PTAB proceeding? In Instrumentation Laboratory Co. v. Hemosonics… Read More

112 and the Zone of Uncertainty

In consolidated cases Niazi Licensing Corp. v. Boston Scientific Corp. and Niazi Licensing Corp. v. St. Jude Medical S.C. Inc. the district court found U.S. Patent 6,638,268 (“the ‘268 patent”) to be invalid under 35 U.S.C.… Read More

Means-Plus-Function Claim Construction of “Customization Module” Results in Indefinite Finding

In William Grecia v. Samsung Electronics (Fed. Cir. 2019) the Federal Circuit affirmed a finding of invalidity for U.S. Patent 8,533,860 (the ‘860 patent) under 35 U.S.C. § 112, ¶2 (indefinite). The invalidly determination for… Read More