U.S. upholds two more stem cell patents held by Wis. group
MADISON, Wis. (AP) - The U.S. Patent and Trademark Office is upholding two more patents that cover embryonic stem cell research discovered at the University of Wisconsin-Madison.
The office rejected arguments from consumer groups that the discoveries were obvious given previous research and therefore ineligible to be patented. The office upheld a third patent being challenged last month.
The Wisconsin Alumni Research Foundation, which holds the patents, is praising the patent office's rulings.
Managing director Carl Gulbrandsen says the latest rulings affirm that UW-Madison researcher Jamie Thomson's pioneering discoveries are patentable inventions.
Copyright 2008 by The Associated Press. All Rights Reserved.

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