Alleman Hall McCoy Russell & Tuttle LLP has an active European practice, advising both European clients on U.S. intellectual property matters and U.S. clients on European intellectual property matters.  AHMRT attorneys work closely together with European patent attorneys to handle international patent and trademark prosecution, patent and trademark licensing, patent non-infringement and invalidity studies, trademark oppositions and cancellations, and patent and trademark litigation matters.  John Russell and Matt Hall of the firm are active in our European practice.