
In Schoeller Bleckmann Oilfield v. Churchill Drilling Tools U.S., No. 2016-1494 (Fed. Cir. November 9, 2016) (non-prec.), the court affirmed the Board’s IPR decision of unpatentability of claims directed to oil-drilling equipment. The court refused to construe the challenged claims as limited to a disclosed embodiment, rejecting the patentee’s argument that the claim term “ball-like” was given an implicit definition in the specification.
Continue Reading Federal Circuit Affirms Board’s Decision Cancelling Claims for Oil Drilling Equipment Based on Broad Claim Construction
Notice of grounds for unpatentability in one proceeding does not provide notice in a second, related proceeding, even where the proceedings relate to the same patent, are between the same two parties, and include the same prior art reference. The Federal Circuit, in
On July 27, 2018, the Federal Circuit issued an 
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We previously 
A pair of recent decisions, one from a federal district court and another from the PTAB, highlight the potential of inconsistent results regarding patent validity. In