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Nature 440, 587 (30 March 2006) | doi:10.1038/440587a; Published online 29 March 2006

Open Innovation Challenges

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US to rule on research patent

Jacqueline Ruttimann

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Supreme Court considers the law on natural phenomena.

It is a case that questions the very nature of what can be patented. Before the US Supreme Court adjourns at the end of June, it may decide whether a patent based on a biological relationship between two substances can be issued.