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Nature 447, 16-17 (3 May 2007) | doi:10.1038/447016a; Published online 2 May 2007
Patenting the obvious?
Abstract
A patent ruling has delivered a serious blow to one US state's hopes of a biotechnology boom. Erika Check reports.
A preliminary decision by the US Patent and Trademark Office to revoke three stem-cell patents is being viewed as a victory for stem-cell researchers — except in Wisconsin, the state that held the patents.The researcher and advocacy groups that challenged the patents say they hope their success will spark a wider debate on whether too many sub-quality biotechnology patents are being issued in the United States.
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