The Patent Trial and Appeal Board held that a certificate of correction could not be applied retroactively. The patentee petitioned to...

The Federal Circuit held that the patent owner had waived the argument that an inter partes review is time-barred under 35 U.S.C. 315(b)...

The Federal Circuit held that it was error to permit the jury to hear the lay witness's testimony as evidence of obviousness. "Not only...