TRADEMARKS & COPYRIGHTS The firm counsels clients on a broad range of intellectual property matters including trademark and copyright prosecution and litigation. Our corporate services include clearing, registering, and maintaining trademarks, trademark portfolio management, and copyright registration. Our litigation services include representation of clients in trademark oppositions and cancellations proceedings before the Trademark Trials and Appeals Board; arbitration of domain name disputes; representation of clients in federal courts on such matters as trademark and trade dress infringement, patent infringement, and copyright infringement.