Yealink Wins Invalidation of Four Barco Patents After Trial Loss

Yealink Network Technology Co. convinced an administrative tribunal to invalidate four of the six wirelessmeeting-room patents Barco NV asserted in an infringement lawsuit that produced a nearly $1 million verdict.

The Patent Trial and Appeal Board issued final written decisions Tuesday finding all challenged claims of US Patent Nos. 10,762,002, 11,403,237, 11,258,676, and 11,422,951 unpatentable as obvious. The board said the claims combined known technology in predictable ways, rejecting Barco’s arguments that they required more than routine engineering.

Yealink conceded infringement ahead of the November jury trial for sales that occurred before April 25, 2024. Jurors in ...