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Published online 17 March 2008 | Nature 452, 265- (2008) | doi:10.1038/452265b
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Stem-cell patents confirmed
Victory for Wisconsin foundation in landmark ruling.
An effort to overturn two contested stem-cell patents was quashed last week by the US Patent and Trademark Office, in a move that strengthens the position of the patents’ holder, the Wisconsin Alumni Research Foundation (WARF).
The two patents cover methods for deriving and growing primate and human embryonic stem cells (ES cells) in culture.
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