Bullseye Blog, A Legal Blog on Expert Topics, reports that The  Supreme Court has issued a new patent law opinion that could signal a greater need for expert testimony in patent-related civil actions in federal district courts. Bullseye’s Robert Ambrogi cuts to the chase:  “The bottom line of Kappos v. Hyatt is that the court has lifted any limits on the use of new evidence in a §145 trial.  That is sure to mean greater use of expert testimony in these cases going forward.”  More:   In the April 18 opinion, Kappos v. Hyatt, the Supreme Court resolved a question that had divided…