What is the difference between ‘conception’ and ‘reduction to practice’ in a 37 CFR 1.131(a) affidavit?

In the context of a 37 CFR 1.131(a) affidavit, ‘conception’ and ‘reduction to practice’ are two distinct stages of invention: Conception is the formation in the inventor’s mind of a definite and permanent idea of the complete and operative invention. Reduction to practice can be either actual (physically creating the invention) or constructive (filing a…

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How does commercial activity affect diligence in patent applications?

How does commercial activity affect diligence in patent applications? Commercial activity can significantly impact the evaluation of diligence in patent applications. The MPEP 715.07(a) provides guidance on this matter: ‘Work relied upon to show reasonable diligence must be directly related to the reduction to practice of the invention in question. For example, time spent in…

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What is diligence in patent law?

In patent law, diligence refers to the continuous effort an inventor makes to reduce their invention to practice after conception. As stated in the MPEP, In patent law, an inventor is either diligent at a given time or he is not diligent; there are no degrees of diligence. This means that diligence is a binary…

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How does the USPTO evaluate diligence in complex inventions?

The USPTO evaluates diligence in complex inventions by considering the nature of the invention and the circumstances surrounding its development. According to MPEP 715.07(a): ‘In determining the sufficiency of a 37 CFR 1.131(a) affidavit or declaration, diligence need not be considered unless conception of the invention prior to the effective date is clearly established, since…

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What constitutes reasonable diligence in reducing an invention to practice?

What constitutes reasonable diligence in reducing an invention to practice? Reasonable diligence in reducing an invention to practice is a critical factor in patent law. According to MPEP 715.07(a): ‘A reasonable diligence must be shown throughout the entire critical period. The critical period is usually the period between the effective filing date of the reference…

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Can diligence be established through the work of others?

Yes, diligence can be established through the work of others, provided that the inventor has been diligent in overseeing and directing their efforts. The MPEP 715.07(a) states: ‘Work relied upon to show reasonable diligence must be that of the inventor or joint inventors or persons acting on his or her behalf.’ This means that: The…

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