SAN DIEGO--(BUSINESS WIRE)--Illumina, Inc. (NASDAQ:ILMN) announced today that the United States Patent and Trademark office has ordered the re-examination of U.S. Patent Nos. 6,355,432 and 6,646,243. The serial numbers for the re-examinations are 90/008,885 and 90/008,889, respectively. They were assigned the same filing date of November 27, 2007. The 6,355,432 and 6,646,243 patents are two of the patents currently the subject of the infringement suit Affymetrix, Inc. filed against Illumina on July 26, 2004 in U.S. District Court for the District of Delaware under Civil Action No. 04-901-JJF.