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4 December 2019 InterDigital has filed a patent infringement suit against Huawei in the UK, for infringing its 3G, 4G and 5G standards-essential patents (SEPs).
5 June 2020 The US Court of Appeals for the Federal Circuit has affirmed a Patent Trial and Appeal Board (PTAB) ruling that invalidated claims in a Huawei patent challenged by Samsung.
29 July 2021 InterDigital has won the first round of a telecommunications standard-essential patent (SEP) dispute with Lenovo, after the English High Court ruled today, July 29, that InterDigital’s patent was valid and infringed.