June 03, 2026
The Patent Trial and Appeal Board has invalidated a 5G technology patent that mobile providers like AT&T, T-Mobile and Verizon had been accused of infringing in now-dropped litigation, after finding the claims of the patent were obvious.
March 13, 2025
AT&T, Verizon and T-Mobile are accused of infringing patents with technology that runs on 4G/LTE and 5G standards, according to Pegasus Wireless Corp. in new litigation in Texas federal court.