Confirmed in writing,
Confirmed in writing, when used in reference to the informed consent of a person, means informed consent that is given in writing by the person or a writing that a practitioner promptly transmits to the person confirming an oral informed consent. If it is not feasible to obtain or transmit the writing at the time the person gives informed consent, then the practitioner must obtain or transmit it within a reasonable time thereafter.
37 CFR § 11.1
This part governs solely the practice of patent, trademark, and other law before the United States Patent and Trademark Office. Nothing in this part shall be construed to preempt the authority of each State to regulate the practice of law, except to the extent necessary for the United States Patent and Trademark Office to accomplish its Federal objectives. Unless otherwise clear from the context, the following definitions apply to this part: