Why should examiners consider pre-AIA 35 U.S.C. 102(a) even if a reference is prior art under pre-AIA 35 U.S.C. 102(e)?

Examiners should consider pre-AIA 35 U.S.C. 102(a) even if a reference is prior art under pre-AIA 35 U.S.C. 102(e) for two main reasons: Earlier prior art date: The MPEP states, if the reference is a U.S. patent or patent application publication of, or claims benefit of, an international application, the publication of the international application…

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Is diligence or reduction to practice required when showing that a reference describes an inventor’s own work?

When showing that a reference describes an inventor’s own work to overcome a pre-AIA 35 U.S.C. 102(e) rejection, the applicant does not need to show diligence or reduction to practice. The MPEP clearly states: “When the reference reflects an inventor’s or at least one joint inventor’s own work, evidence of diligence or reduction to practice…

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How does a continuation-in-part application affect the “by another” determination under pre-AIA 35 U.S.C. 102(e)?

A continuation-in-part (CIP) application with an additional inventor can still be considered “by another” under pre-AIA 35 U.S.C. 102(e). The MPEP provides an example in MPEP 2136.04: “Ex parte DesOrmeaux, 25 USPQ2d 2040 (Bd. Pat. App. & Inter. 1992) (The examiner made a pre-AIA 35 U.S.C. 102(e) rejection based on an issued U.S. patent to…

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Is the date of conception or reduction to practice relevant for determining the pre-AIA 35 U.S.C. 102(e) reference date?

No, the date of conception or reduction to practice is not relevant for determining the pre-AIA 35 U.S.C. 102(e) reference date. The MPEP clearly states: “When the cases are not in interference, the effective date of the reference as prior art is its filing date in the United States (which will include certain international filing…

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