Fitzpatrick, Cella, Harper & Scinto | 1,010 followers on LinkedIn. Our Work • Controversies: Fitzpatrick is one of the premier patent litigation practices in the nation. We represent clients in federal and state litigation and appeals, as well as arbitrations, proceedings before the International Trade Commission, and post-grant challenges before the U.S. Patent Trial and Appeal Board, including inter partes review. • Licensing and transactional services: Our services for clients include negotiating licenses, providing opinions, and due diligence in advance of acquisitions and other major transactions. • Patent and trademark prosecution: For many years, Fitzpatrick has been a leader among New York-based firms in the prosecution and securing of patents.