37 CFR Part 227

5 sections.

§ 227.1
Failure by respondent or counterclaim respondent to appear or participate in proceeding
§ 227.2
Submission of evidence by claimant or counterclaimant in support of default determination
§ 227.3
Notice of proposed default determination
§ 227.4
Opportunity for respondent or counterclaim respondent to submit evidence
§ 227.5
Issuance of determination

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.