What evidence is required in an affidavit or declaration under 37 CFR 1.131(a)?

An affidavit or declaration under 37 CFR 1.131(a) must include evidence that supports the inventor’s claim of prior invention. According to the MPEP: ‘The evidence submitted with a 37 CFR 1.131(a) affidavit or declaration must demonstrate that the inventor or at least one joint inventor completed the invention in question prior to the effective date…

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What evidence is required in a 37 CFR 1.131(a) affidavit or declaration?

A 37 CFR 1.131(a) affidavit or declaration must provide evidence that the inventor completed the invention before the effective date of the prior art reference. The MPEP 715 outlines the required evidence: Reduction to practice: Proof that the invention was actually reduced to practice before the effective date of the reference. Conception and diligence: Evidence…

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What evidence is required in a 37 CFR 1.131(a) affidavit or declaration?

A 37 CFR 1.131(a) affidavit or declaration must include evidence that demonstrates prior invention. The MPEP provides guidance on the required evidence: ‘The evidence submitted with a 37 CFR 1.131(a) affidavit or declaration must demonstrate that the inventor or at least one joint inventor had possession of either the whole invention claimed or something falling…

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What’s the difference between an affidavit and a declaration?

While both affidavits and declarations serve similar purposes in patent prosecution, there are key differences: Affidavit: A statement in writing made under oath before a notary public, magistrate, or officer authorized to administer oaths. Declaration: As per 37 CFR 1.68, a declaration can be used instead of an affidavit. It must include an acknowledgment that…

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What is the difference between an affidavit and a declaration in patent applications?

In the context of patent applications, affidavits and declarations serve the same purpose but differ in their formalities. According to MPEP 717.01(c): Affidavit: A written statement made under oath before a notary public or other authorized officer. Declaration: A statement in writing made under penalty of perjury, as permitted by 28 U.S.C. 1746. The MPEP…

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What is the difference between an affidavit under 37 CFR 1.131(a) and 37 CFR 1.132 in patent applications?

The key differences between affidavits under 37 CFR 1.131(a) and 37 CFR 1.132 in patent applications are: 37 CFR 1.131(a) affidavit: Used to antedate (show prior invention) a reference by proving invention before the effective date of the reference. 37 CFR 1.132 affidavit: Used to show that the relevant portions of the reference originated with…

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