AIA § 33 — Limitation on issuance of patents

Ninth Edition, Revision 01.2024

• (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 [Sept. 16, 2011].
  • (2) PRIOR APPLICATIONS.—Subsection (a) shall not affect the validity of any patent issued on an application to which paragraph (1) does not apply.