Summa, Additon & Ashe, Patent Attorneys, are experts in intellectual property law. We rely upon decades of experience as practitioners and counselors to guide our clients in leveraging and achieving their intellectual property rights. Our firm provides a full range of intellectual property services with a focus on patent and trademark prosecution, trade secrets, litigation, licensing and counseling. We understand the importance of global intellectual property rights as demonstrated by our representation of clients from all over the world.