CAMBRIDGE, Mass.--(BUSINESS WIRE)--Jan. 10, 2006--Dyax Corp. (Nasdaq:DYAX) announced today that the United States Patent and Trademark office issued U.S. Patent No. 6,979,538, Dyax’s fifth U.S. patent covering its proprietary Phage Display technology. This new patent provides Dyax with additional patent claims that cover methods for displaying antibodies on filamentous bacteriophage. In addition to its five U.S. patents, Dyax holds several issued patents for Phage Display in Canada and Israel, with pending applications in other countries.