A federal jury in California has found that Apple has infringed WiLan’s U.S. Patent Nos. 8,457,145 and 8,537,757 respectively entitled “Method and apparatus for bandwidth request/grant protocols in a wireless communication system” and “Adaptive call admission control for use in a wireless communication system”. This is not the first time that WiLan has sued Apple for patent infringement. In a 2016 decision by the U.S. Court of Appeals for the federal Circuit, Apple successfully defended a separate patent infringement lawsuit brought by WiLan.

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