Where the plaintiffs attempted to lure the defendants into personal jurisdiction in state by purchasing a product online after commencement of litigation, insufficient contacts for personal jurisdiction existed.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge Virginia M. Kendall.Tai Matlin and James Waring, and other business partners, co-founded a company called Gray Matter Holdings LLC in 1997. Matlin and Waring developed certain products for Gray Matter, including an inflatable beach mat …