Leahy-Smith America Invents Act
Section 33. Limitation on issuance of patents

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A patent reform act passed by Congress on September 16, 2011.

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SEC. 33. LIMITATION ON ISSUANCE OF PATENTS.

(a) LIMITATION.--Notwithstanding any other provision of law, no patent may issue on a claim directed to or encompassing a human organism.

(b) EFFECTIVE DATE.--

(1) IN GENERAL.--Subsection (a) shall apply to any application for patent that is pending on, or filed on or after, the date of the enactment of this Act.

(2) PRIOR APPLICATIONS.--Subsection (a) shall not affect the validity of any patent issued on an application to which paragraph (1) does not apply.