Subchapter IV. The Madrid Protocol 15 U.S. Code §1141. Definitions 15 U.S. Code §1141a. International applications based on United States applications or registrations 15 U.S. Code §1141b. Certification of the international application 15 U.S. Code §1141c. Restriction, abandonment, cancellation, or expiration of a basic application or basic registration 15 U.S. Code §1141d. Request for extension of protection subsequent to international registration 15 U.S. Code §1141e. Extension of protection of an international registration to the United States under the Madrid Protocol 15 U.S. Code §1141f. Effect of filing a request for extension of protection of an international registration to the United States 15 U.S. Code §1141g. Right of priority for request for extension of protection to the United States 15 U.S. Code §1141h. Examination of and opposition to request for extension of protection; notification of refusal 15 U.S. Code §1141i. Effect of extension of protection 15 U.S. Code §1141j. Dependence of extension of protection to the United States on the underlying international registration 15 U.S. Code §1141k. Duration, affidavits and fees 15 U.S. Code §1141l. Assignment of an extension of protection 15 U.S. Code §1141m. Incontestability 15 U.S. Code §1141n. Rights of extension of protection