SANTA CLARA, Calif.--(BUSINESS WIRE)--Aug. 17, 2006--Affymetrix, Inc. (NASDAQ:AFFX) announced today that District Court Judge Joseph J. Farnan of the United States District Court for the District of Delaware issued a Markman order in the litigation brought by Affymetrix against Illumina. Affymetrix has accused Illumina of infringing U.S. Patent Nos. 6,355,432, 6,646,243, 5,545,531, 6,399,365, and 5,795,716 (the “patents-in-suit”).