What are common reasons for an affidavit or declaration under 37 CFR 1.132 to be considered insufficient?

The MPEP outlines several reasons why an affidavit or declaration under 37 CFR 1.132 might be considered insufficient to overcome a rejection: Lack of relevance: It includes statements which amount to an affirmation that the affiant has never seen the claimed subject matter before. This is not relevant to the issue of nonobviousness of the…

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