indefinite

“Minimal Redundancy” Makes Patent Claim Indefinite under § 112

The phrase “minimal redundancy” in a patent claim was indefinite under 35 USC § 112 where the patent specification inconsistently described levels of redundancy achieved by its system.  Berkheimer v. HP, Inc., No. 2017-1437… Read More

“Substantially” in a Patent Claim is Substantially OK

U.S. Patent No. 5,987,863 (“the ‘863 patent”), owned by the Exmark Manufacturing Company (“Exmark”), recently survived a challenge to its claim 1 as indefinite under 35 U.S.C. §112, ¶2 for inclusion of the phrase … Read More

PTAB: Filled May Be Indefinite, Unfilled Is Adequately Described

Tinnus Enterprises, LLC (“Tinnus”), owner of U.S. Patent No. 9,527,612 B2 (“the ‘612 patent”) recently suffered a setback when the U.S. Patent Trial and Appeal Board ordered institution of a post-grant review of the… Read More

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