Cisco, Asus, Arris Keep Wins Invalidating Vivato Wireless Patent

Vivato Technologies failed to convince the Federal Circuit to overturn decisions from two California federal courts that nixed claims in a wireless network patent.

A three-judge panel at the US Court of Appeals for the Federal Circuit on Thursday affirmed a decision finding 10 claims in US Patent No. 6,611,231 indefinite and therefore invalid for protection.

The US District Court for the Northern District of California had correctly applied the law at every stage of a multi-step analysis to conclude that the claims reference a “means-plus-function” term without disclosing “adequate corresponding structure,” Circuit Judge Sharon Prost said in a nonprecedential ...