37 CFR § 42.8 - Mandatory notices.
(a) Each notice listed in paragraph (b) of this section must be filed with the Board:
(2) By the patent owner, or applicant in the case of derivation, within 21 days of service of the petition; or
(b) Each of the following notices must be filed:
(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.
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