403.02 Two Patent Practitioners for Same Application [R-11.2013]
If the applicant simultaneously appoints two patent practitioners, applicant should indicate with whom correspondence is to be conducted. by specifying a correspondence address. See MPEP §§ 403, 403.01(a), and MPEP § 403.01(b) .
If, after one patent practitioner is appointed, a second patent practitioner is later appointed without revocation of the power of the first patent practitioner, correspondence will be mailed to the latest correspondence address of record . See 37 CFR 1.33 and 1.76