In Re: Csb-System International, Inc.
Court of Appeals for the Federal Circuit
1Opinion of the Court
STOLL, Circuit Judge.
CSB-System International, Inc. appeals the decision of the Patent Trial and Appeal Board upholding an examiner’s rejection of all claims of CSB’s U.S. Patent No. 5,631,953 as unpatentable over the prior art during an ex parte reexamination. CSB argues that the Board construed claims applying an incorrect legal standard and that, regardless of the standard, the Board misconstrued claim terms which led to rejection of all claims of the ’953 patent. We agree with CSB that the Board should have applied the Phillips standard of claim construction rather than the broadest…
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