BioCentury
ARTICLE | Company News

PharmaStem, ViaCell gene/cell therapy news

May 8, 2006 7:00 AM UTC

VIAC said the U.S. PTO rejected all claims of PharmaStem's U.S. Patents Nos. 6,461,645 and 5,004,681 - two of the four patents that PharmaStem alleges are infringed by VIAC. The patents, which also in...