What is the significance of ‘month to month’ evidence in proving diligence for patent applications?

The significance of ‘month to month’ evidence in proving diligence for patent applications lies in demonstrating continuous effort towards reduction to practice. According to MPEP 715.07(a): ‘Where the evidence of facts establishing diligence is made out on a day-to-day basis, such a record of facts demonstrating reasonably continuous diligence is sufficient to overcome a reference.’…

Read More

How is diligence evaluated in patent applications?

Diligence in patent applications is evaluated on a case-by-case basis, considering the specific circumstances of each invention. The MPEP states, Diligence must be judged on the basis of the particular facts in each case. This principle was reinforced in the case of In re Steed, where the court emphasized that Although the claimed invention is…

Read More

What types of evidence are acceptable for an affidavit or declaration under 37 CFR 1.131(a)?

An affidavit or declaration under 37 CFR 1.131(a) can include various types of evidence to support the inventor’s prior conception and reduction to practice. According to MPEP 715.07: The evidence may consist of testimony of the inventor in the form of an affidavit or declaration under 37 CFR 1.131(a), documentary evidence, drawings, and models. Acceptable…

Read More

What is the diligence requirement for proving prior invention under 37 CFR 1.131(a)?

The diligence requirement is crucial when establishing prior invention under 37 CFR 1.131(a). MPEP 715.07(a) states: Where conception occurs prior to the date of the reference, but reduction to practice is afterward, it is not enough merely to allege that the inventor or inventors had been diligent. Rather, applicant must show evidence of facts establishing…

Read More

What is the ‘Critical Period’ in patent diligence cases?

What is the ‘Critical Period’ in patent diligence cases? The ‘Critical Period’ in patent diligence cases refers to the time frame between the date of conception and the date of reduction to practice. According to MPEP 715.07(a), this period is crucial for determining whether an inventor has shown reasonable diligence in perfecting their invention. The…

Read More

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…

Read More