Stem Cell Innovations Patents on Pluripotent Cells Cited by the U.S. Patent and Trademark Office as Prior Art, Pre-Dating the WARF and Thomson Core Embryonic Stem Cell Patents

HOUSTON, Texas--(BUSINESS WIRE)--Stem Cell Innovations (SCI) (OTCBB: SCLL), today announced its issued patents to pluripotent stem cells were used by the U.S. Patent and Trademark Office in rejecting the core ES cell patents issued to the Wisconsin Alumni Research Association (WARF) invented by James Thomson. The human embryonic stem cells of U.S. Patents Nos. 5,453,357 and 5,690,926 (licensed exclusively to Stem Cell Innovations) were stated by the United States Patent and Trademark Office to be “True ES Cells.” The Patent Office also stated that Stem Cell Innovations U.S. Patent No. 5,690,926 “discloses the identical human embryonic stem cells as claimed by Thomson even though produced by different processes.”