PharmassetX Inc., a late-preclinical stage pharmaceutical development company, today announced that the US Patent and Trademark Office has acknowledged receipt of the Company’s patent application entitled “CRYSTALLINE FORM OF EPIGALLOCATECHIN-3-GALLATE.” PharmassetX is developing the novel form of epigallocatechin gallate (EGCG) as a prescription drug for the treatment of inflammatory bowel disease (IBD).