How should the “Best Mode” be presented in a patent description?

The “Best Mode” is a crucial element in a patent description, as it discloses the inventor’s preferred embodiment of the invention. According to MPEP 1823: “The description should disclose any preferred embodiments of the invention.” When presenting the Best Mode: Completeness: Provide a complete description of the best way to carry out the invention. Specificity:…

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Can a best mode defect be cured by a later amendment?

No, a best mode defect cannot be cured by a later amendment to the patent application. The MPEP 608.01(h) clearly states: If the best mode contemplated by the inventor at the time of filing the application is not disclosed, such defect cannot be cured by submitting an amendment seeking to put into the specification something…

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