20 June 2014BiotechnologyFranz-Josef Zimmer and Markus Grammel
Tough times continue for stem cell patents
Two decisions handed down by a Technical Board of Appeal of the European Patent Office (EPO)—T 1836/10 in April 2013 and T 2221/10 in February 2014—seem to cement the restrictive approach that has taken hold at the EPO with regard to the patenting of human embryonic stem cells (hESCs).
