After Utah's Loss on Genes, Wisconsin Is Challenged Over Patent on Stem Cells

Buoyed by the Supreme Court's ruling last month invalidating gene patents, two advocacy groups on Tuesday asked a federal appeals court to similarly forbid a patent on human embryonic stem cells held by the University of Wisconsin's research marketing arm.

The lawsuit, against the Wisconsin Alumni Research Foundation, was filed by Consumer Watchdog and the Public Patent Foundation. It was made possible only after the plaintiffs finished slogging through years of appeals at the U.S.