To extend the patent term of certain products.

Amends Federal patent law to extend the patent term for certain drugs composed of non-steroidal anti-inflammatory agents if during the regulatory review process the patentee: (1) filed a new drug application in 1982; (2) awaited approval by the Food and Drug Administration for at least 78 months; and (3) such new drug application was approved in 1991. Prescribes a formula for patent term extension and sets forth administrative notification procedures.