The two consumer groups that successfully challenged three, broad stem cell patents held by the University of Wisconsin-Madison’s patent licensing arm said that it will make a “substantive response” to the university group’s defense of the patents.
Acting on re-examination requests by the Foundation for Taxpayer and Consumer Rights and the Public Patent Foundation, the U.S. Patent and Trademark Office in early April rejected all claims on three patents held by the Wisconsin Alumni Research Foundation. WARF had two months to respond.