WASHINGTON – At the request of Tessera Inc., the U.S. International Trade Commission has opened an investigation into patent infringement.

Tessera’s complaint centers on computer chips used in mobile phones, computers and digital cameras that allegedly infringe the company’s patents, says the ITC. Possible parties to the case include Motorola Inc., Qualcomm Inc., Spansion Inc., STMicroelectonics N.V., and ATI Technologies Inc.