Patent Fairness Act of 1999

[AI summary unavailable — showing source text] Patent Fairness Act of 1999 - Amends Federal law to require, if the Commissioner of Patents and Trademarks determines that certain standards are met, restoration of the term of any patent, in force on September 24, 1984, and on the filing date of a patent term restoration application under this Act, that claims: (1) a drug product; (2) a method of using a drug product; or (3) a method of manufacturing a drug product. (Sec. 2) Defines such standards as: (1) a regulatory review period from application submission to application approval exceeding 60 months; and (2) the absence of substantial evidence overcoming the rebuttable presumption that the applicant for patent term restoration for the drug product acted with due diligence. Requires subtraction from the total amount of the restoration term of any time during the regulatory review period during which the Commissioner finds that the applicant for patent term restoration did not act with due diligence. Limits a restoration period, after specified adjustments, to five years. Requires restoration term applications to be filed within 90 days after enactment of this Act. Provides for: (1) claim determination procedure; (2) interim rest…