In this patent infringement action, Potter Voice submitted an expert declaration of David Klausner for the purpose of claim construction. Microsoft moved to exclude the declaration under Fed.R.Evid. 702.
The district court explained the background of the patent as follows: In 1998, United States patent number 5,729,659 (the ‘659 patent) was issued to Jerry L. Potter. Plaintiff, Potter voice Technologies LLC, now owns the ‘659 patent. The ‘659 patent describes a method and apparatus for controlling a digital computer using oral input. The patent infringement claims alleged in Potter’s complaint are based on four distinct software products: (1) BlackBerry Voice Commands; (2) Google Voice Search; (3) Google Voice Actions; and (4) Windows Speech Commands. Potter alleges that the defendants infringe the ‘659 patent when these software products are used on mobile phones.
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