Acer, Microsoft Can’t Stop Philips Touchscreen Patent Case

Neither Acer Inc. nor Microsoft Corp. can stop a patent infringement case filed by Koninklijke Philips N.V. related to touchscreen technology, the Northern District of California ruled March 4.

Acer failed to prove as a matter of law that Philip’s reissued patent improperly broadened the terms of the original and was invalid.

Philips sued Acer for infringing U.S. Patent Nos. RE43,564; 5,910,797; and 7,184,064, which all cover touchscreen controls.

Acer moved for an early judgment, arguing that the ‘564 patent was unenforceable because it was improperly broadened on reissue, and the ‘797 patent was issued in error. Microsoft intervened, ...