By Catherine Fredenburgh (April 13, 2006, 12:00 AM EDT) -- The Madrid Protocol allows a trademark owner to seek registration in multiple countries by submitting a single international application, rather than multiple applications in the countries or intergovernmental organizations that have joined the Madrid Protocol. After more than two years of practice under the Madrid Protocol in the United States (37 CFR Parts 2 and 7), procedural concerns have arisen that require consideration of how the Madrid Protocol impacts on U.S. trademark practice, particularly in the context of a "§66(a) application," which refers to a request for extension of protection ("REP") to the U.S. Patent and Trademark Office ("PTO") under Section 66(a) of the Trademark Act (15 U.S.C. §1141f)....