US stem cell patents denied validity
The US Patent and Trademark Office (PTO) has issued a preliminary decision rejecting the validity of three existing embryonic stem cell (ESC) patents held by the Wisconsin Alumni Research Foundation (WARF) at the University of Wisconsin Madison (UW-Madison), where James Thomson led a research team to discover...
Comment
Embryos, hybrid embryos and UK law
by Dr John Gillott
The House of Commons Science and Technology Committee's report, 'Government Proposals for the Regulation of Hybrid and Chimera Embryos', is its response to two related events: firstly the UK Government's intention to outlaw the creation of such entities, announced in December 2006 in its White Paper (1), and secondly the...