Tessera files patent lawsuit against ChipMOS subsidiary
Tessera Technologies Inc. filed a patent infringement lawsuit against a subsidiary of ChipMOS Technologies (Bermuda) Ltd, ChipMOS Technologies Inc. (ChipMOS Taiwan), and ChipMOS Taiwan's wholly-owned subsidiary, ChipMOS U.S.A. Inc.
ChipMOS Taiwan and ChipMOS U.S.A. allegedly infringe on several of Tessera's patents, and that there has been a breach in the existing license agreement between ChipMOS Taiwan and Tessera. ChipMOS disclosed that Tessera's claims lack merit.
ChipMOS is an independent provider of semiconductor testing and assembly services.