News of the WeekIntellectual Property

Groups Challenge Key Stem Cell Patents

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Science  21 Jul 2006:
Vol. 313, Issue 5785, pp. 281
DOI: 10.1126/science.313.5785.281

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Three patents that cover most U.S. research using embryonic stem cells should not have been granted because the work was obvious and not new, a nonprofit organization argues in a filing with the U.S. Patent and Trademark Office this week. (Read more.)