Feb. 6, 2012 8:19 a.m. PT 2 min read Nest Labs Nest Labs Honeywell today filed a patent infringement lawsuit against Nest Labs and is seeking to stop sales of Nest Labs' high-profile thermostat.

Last week Honeywell announced the Lyric, its answer to the Nest learning thermostat. Today, we got a chance to see the WiFi-connected smart device in person. Retailing for $279 starting in August ...