Posted on

Adjectives in Claim Construction

Comcast Cable Communications v. Promptu Systems Corporation (Fed. Cir., Jan. 4, 2021) is a nonprecedential opinion but nevertheless still provides an example of claim construction based on a modifying adjective.  The Appellant appealed the IPR final-written decision in which the PTAB held Appellant failed to prove that the challenged claims of US7,260,538 would have been obvious.  The claim term “command function” was at issue.  Claim 1 is representative: 1.  A method for providing voice recognition processing at a cable television head-end unit for a plurality of voice controlled television cable set-top boxes in a cable television network, comprising the steps of: a television remote control receiving user-activated indication of a voice command; receiving said voice command through a microphone associated with said television remote control; said television remote control wirelessly transmitting a signal representing said voice command to a cable set-top box; said cable set-top box transmitting a signal representing…

Read more