Big money is (or is believed to be) on the line, so being seen as taking sides in the food fight over patents would inevitably cause the "slighted" party to be less than pleased with
in particular and with Swedish academia in general. Displeasing either the University of California or MIT is not an attractive use of the disproportionately powerful tool for making friends and influencing people which Alfred Nobel unwittingly deposited in the lap of tiny Sweden's academia.
IIAOPSW's suggestion below (shared prize for Zhang, Charpentier and Doudna) would be a typically Swedish compromise. But they could also just wait, at the modest cost of being seen as less timely.
http://www.nobelprize.org/nobel_prizes/chemistry/prize_award...
in particular and with Swedish academia in general. Displeasing either the University of California or MIT is not an attractive use of the disproportionately powerful tool for making friends and influencing people which Alfred Nobel unwittingly deposited in the lap of tiny Sweden's academia.
IIAOPSW's suggestion below (shared prize for Zhang, Charpentier and Doudna) would be a typically Swedish compromise. But they could also just wait, at the modest cost of being seen as less timely.