The U.S. Court of Appeals for the Federal Circuit (CAFC), with Judge Stoll writing, earlier today reversed a denial of judgment as a matter of law (JMOL) of no infringement relating to U.S. Patent No. 9,031,521, which is assigned to Dali Wireless, Inc. The court also affirmed the U.S. District Court of the Northern District of Texas on a number of other issues, including its denial of JMOL of invalidity of the ‘521 patent. The ‘521 patent is titled “System and Method for Digital Memorized Predistortion for Wireless Communication.” The patent solves the problem of unintended distortions to a signal caused by power amplifiers used to boost the signal on devices such as mobile phones. The patent does this through “through the use of a feedback loop and lookup tables.”

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