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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 9
Chapter I
Part 124
Subpart C - Subpart C—Regulatory Review Period
§ 124.20 - Patent term extension calculation.
§ 124.21 - Regulatory review period determination.
§ 124.22 - Revision of regulatory review period determination.
§ 124.23 - Final action on regulatory review period determination.
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