September 13, 2022
The Patent Trial and Appeal Board has invalidated one patent deemed essential to the 3G and 4G LTE wireless standards while trimming five of 10 claims from a related patent in a split decision in dual challenges brought by TCT Mobile and other tech companies.
June 16, 2022
A Patent Trial and Appeal Board panel focused its questions during a hearing Thursday on when a 3G Licensing S.A. wireless communication system patent application was filed as part of an invalidity challenge brought by technology companies accused of infringing the resulting patent.