As of September 30, 2017, there were over 500 active, unique defendants in ongoing litigation campaigns in the E-Commerce and Software market sector. The month of September saw more than 40 new NPE cases filed in the space, including in a new litigation campaign launched by Leigh M. Rothschild. Read on for information about new litigation, activity before the Patent Trial and Appeal Board, RPX prior art search reports, two RPX deals, and more—all within the E-Commerce and Software market sector and the month of September 2017.