AT&T Accused of Infringing Family of Allegedly Standard Essential, Former Pantech Patents

June 14, 2019

Cellular Evolution LLC, an entity formed in Delaware on April 23, 2019, has filed suit against AT&T (AT&T Mobility, Cricket Wireless) (2:19-cv-00228) in the Eastern District of Texas. The NPE asserts all five members of a family originating with failed Korean mobile phone maker Pantech, alleging that each has been declared essential to the UMTS RRC Protocol (as identified in the ETSI Special Report SR 000 314). Cellular Evolution targets AT&T’s 3G network.

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