Christian Mammen, Womble Bond Dickinson. (Photo: Jason Doiy/ALM)

A reunion of former Day Casebeer attorneys has led to the disposal of a patent infringement suit over a voice-enabled virtual assistant.

Womble Bond Dickinson partner Christian Mammen and Lamkin IP Defense's Rachael Lamkin practiced together in the mid-2000s at IP boutique Day Casebeer Madrid & Batchelder. The two teamed up to obtain a favorable claim construction ruling, to kill an opposing expert witness with kindness, and ultimately to win summary judgment of noninfringement Tuesday for client Nuance Communications Inc.