37 CFR 1.109 — Effective filing date of a claimed invention under the Leahy-Smith America Invents Act

37 CFR 1.109 — Effective filing date of a claimed invention under the Leahy-Smith America Invents Act.

(1) The actual filing date of the patent or the application for the patent containing a claim to the invention; or

(2) The filing date of the earliest application for which the patent or application is entitled, as to such invention, to a right of priority or the benefit of an earlier filing date under 35 U.S.C. 119 , 120 , 121 , 365 , or 386 .

(b) The effective filing date for a claimed invention in a reissue application or a reissued patent is determined by deeming the claim to the invention to have been contained in the patent for which reissue was sought.

[Added 78 FR 11024, Feb. 14, 2013, effective Mar. 16, 2013; revised, 80 FR 17918, Apr. 2, 2015, effective May 13, 2015]

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