Tough Stance on Stem Cell, DNA Claims

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Science  02 Aug 2002:
Vol. 297, Issue 5582, pp. 754-755
DOI: 10.1126/science.297.5582.754

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BERLIN-- Biotech players hoping to stake claims on human stem cells or DNA sequences in Europe saw a couple of warning shots whiz across their bows last week. On 24 July, the European Patent Office strongly limited a controversial patent covering stem cell technology, striking out all references to human or animal embryonic stem cells. And a British think tank called on patent offices around the world to refrain from awarding patents on DNA sequences.