CAMBRIDGE, Mass.--(BUSINESS WIRE)--Dyax Corp. (Nasdaq:DYAX) announced today that the United States Patent and Trademark office issued U.S. Patent No. 7,208,293, Dyax’s seventh U.S. patent covering its proprietary protein display technology. This new patent provides Dyax with additional patent claims that cover methods for selecting binding proteins, such as antibodies, through the use of eukaryotic cell surface display. In addition to its seven U.S. patents, Dyax holds several issued patents for phage display in Canada, Israel, and Japan, with pending applications in other countries.