Mandatory notices.

§ 42.8 Mandatory notices. (a) Each notice listed in paragraph (b) of this section must be filed with the Board: (1) By the petitioner, as part of the petition; (2) By the patent owner, or applicant in the case of derivation, within 21 days of service of the petition; or (3) By either party, within 21 days of a change of the information listed in paragraph (b) of this section stated in an earlier paper. (b) Each of the following notices must be filed: (1) Real party-in-interest. Identify each real party-in-interest for the party. (2) Related matters. Identify any other judicial or administrative matter that would affect, or be affected by, a decision in the proceeding. (3) Lead and back-up counsel. If the party is represented by counsel, then counsel must be identified. (4) Service information. Identify (if applicable): (i) An electronic mail address; (ii) A postal mailing address; (iii) A hand-delivery address, if different than the postal mailing address; (iv) A telephone number; and (v) A facsimile number.