Screened means the isolation of a practitioner from any participation in a matter through the timely imposition of procedures within a firm that are reasonably adequate under the circumstances to protect information that the isolated practitioner is obligated to protect under these USPTO Rules of Professional Conduct or other law.
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: