Interdigital

Microsoft phones infringe patents, rules US judge

Microsoft Corp lost a round in a potentially costly patent battle when a U.S. International Trade Commission judge on Monday found that the software giant used InterDigital Inc's technology in its mobile phones without permission.

InterDigital loses another round in Nokia, ZTE patent fight

InterDigital, a patent licensing firm, lost an infringement fight over wireless phone technology on Wednesday, as a U.S. appeals court ruled against it.