CSR, PLC v. SKULLCANDY, INC. (Fed. Cir. 2014) (NP) – PTO’s claim construction of disputed terms must be sufficiently explicit to enable appellate review

The PTO’s claim construction must be sufficiently explicit, at least as to any disputed claim term, in order to enable appellate review. Here, for example, the Board’s refusal to construe the term “threshold value” while nevertheless finding that the prior art did not...

ARLINGTON INDUSTRIES, INC. v. BRIDGEPORT FITTINGS, INC. (Fed. Cir. 2014) (NP) – Tangential acknowledgment of a given issue by the board is not sufficient to avoid waiver

Simply prompting the Board during an appeal to acknowledge a given issue in responding to arguments for a fundamentally separate issue is not sufficient to preserve the first issue for further appellate proceedings. In order to make sure that the issue is preserved,...