Complex sentence: Despite this argument, any said acceptance of the action would still be after the action was taken, and thus would void consent as defined in law, since legal consent, by default, requires it to be given prior to the action.
Split into simpler sentences: Despite this argument, any said acceptance of the action would still be after the action was taken, and thus would void consent as defined in law. Consent at law, by default, requires the consent to be given prior to the action.