As the Trading Technologies (TT) patent infringement trial against E-Speed stretched into its third week in Chicago, the defendant went on the offensive by producing a plethora of prior art it claims invalidates TT MD Trader patents.
E-Speed’s strongest evidence of prior art in over a week’s worth of presentations and testimony came from Jean-Cedric Jollant, the former trading application manager for GL, who testified he created a similar piece of software named TradePad in September 1998, therefore predating the critical MD Trader patent date of March 1999.
Jollant testified that he and another GL colleague devised the idea of TradePad, which featured a static ladder display of prices with bids and offers on each side that looks almost identical to the MD Trader in layout and functionality. Jollant also presented...