Arias, Fábrega & Fábrega has acted as counsel to Millennium & Copthorne International Limited (MCIL) in the filing and prosecution of nullity actions against Trademark Registrations for "Hotel Millenium" and "Hotel Plaza Millenium" in the name of the local concern Plaza Milenio, S.A., to protect and reinstate the prior rights of MCIL to the registration and use of its well known mark "Millenium", in connection with its famous chain of exclusive and luxurious hotels around the world.