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Science 21 July 2006:
Vol. 313. no. 5785, p. 281
DOI: 10.1126/science.313.5785.281
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News of the Week

INTELLECTUAL PROPERTY:
Groups Challenge Key Stem Cell Patents

Eli Kintisch

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.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)