Xiaomi applied for over 2,000 patents last year.
ITC decision comes after similar investigation was launched into complaints against Samsung by Nvidia
The complaint is the latest in a series of legal maneuvers in a patent fight between the two companies.
Nvidia sued Samsung and Qualcomm in September for patent infringement. Now Samsung is fighting back.
The deal covers existing and future patents for the next 10 years.
The patent infringement complaint between Nvidia and Samsung centers around display technology.
The court also denied most of Apple's other motions
A new group seeks to provide its members insulation against attacks by patent trolls
Samsung cited a Supreme Court ruling that tightened patent standards when it asked a court to find two Apple patent claims invalid
The court's ruling could make it more difficult to patent some types of software in the future