TMEP § 1109.08
Generally, in examining the statement of use, the USPTO will issue only requirements or refusals concerning matters related to the statement of use. The examining attorney should not make a requirement or refusal concerning matters that could or should have been raised during initial examination, unless the failure to do so in initial examination constitutes a clear error, i.e., would result in issuance of a registration in violation of the Act or applicable rules. See TMEP §706.01 regarding "clear error."
If the examining attorney determines that he or she must make a refusal or requirement that could or should have been made during initial examination of the application, the examining attorney must consult the managing attorney or senior attorney before taking the action. This applies to any refusal that arguably could or should have been made during initial examination, such as most refusals under §2(d) or §2(e)(1) of the Act.
The examining attorney must act on all new issues arising in the examination of the statement of use. For example:
Generally, the USPTO will not conduct any search for conflicting marks or issue any refusals under §2(d) of the Act in the examination of the statement of use. However, if the examining attorney determines that a second search is necessary, the examining attorney will conduct a second search and take any action that is appropriate.