Litigation and Licensing Uptick as DAS Ecosystem Readies for Transformation - UPDATE

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1Q 2018 | IN-5020


Pace of Litigation Accelerates


Since this Executive Foresight was first penned on the 16th of January, the market and litigation environment has evolved significantly and deserves a quick update.

There are few lawsuits in the world of indoor wireless and distributed antenna systems (DAS), but recently we have noticed some uptick. In May 2014 Corning alleged patent infringement by SOLiD concerning multiple input/multiple output (MIMO) solutions for DAS systems. The court denied Corning’s claim in October 2015. In 2016, Dali Wireless alleged patent infringement by CommScope concerning baseband predistortion linearization for power amplification and software-configurable DAS. Dali Wireless continued such actions in 2016, asserting a claim against Fiplex concerning public safety digital DAS and remote configuration. The result here was that Dali licensed its patents to Fiplex in September 2017.

Early 2018 saw another round of announcements relating to ongoing patent disputes.  On January 11, 2018, CommScope reported that the PTAB (Patent Trial and Appeal Board) declined to review CommS…

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