HTC, Sony, Ericsson, and Alcatel-Lucent did not infringe on four Wi-Lan patents, according to the patent-licensing firm.
Wi-Lan sued the four companies for infringing on a handful of its wireless patents, but a Texas jury cleared all four firms in the case. Wi-Lan expressed disappointment in the outcome. Patent-licensing firms often use litigation to generate income.
Wi-Lan filed similar litigation against BlackBerry late last year.
