Writing or written means a tangible or electronic record of a communication or representation, including handwriting, typewriting, printing, photostating, photography, audio or video recording and electronic communications. A signed writing includes an electronic sound, symbol or process attached to or logically associated with a writing and executed or adopted by a person with the intent to sign the writing.
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: