Patent Terms Extended Under 35 U.S.C. 156 A certificate extending the term of the following patent under 35 U.S.C. 156(d)(1) was issued on October 27, 1997: U.S. Patent No. 4,935,437; Granted June 19, 1990, to Philip N. Edwards, et al.; Owner of Record: Zeneca Limited; Title: (SUBSTITUTED ARALKYL) HETEROCYCLIC COMPOUNDS; Classification: 514/383; Product Trade Name: ARIMIDEX (anastrozole); Original Expiration Date: June 10, 2008; Term Extended: 565 days, Extended Expiration Date: December 27, 2009. In addition, an order granting an interim extension of the term of the following patent under 35 U.S.C. 156(e)(2) was issued on April 6, 1998: U.S. Patent No. 4,260,769; Granted April 7, 1981, to Valenino J. Stella et al.; Owner of Record: Merck & Co., Inc.; Title: 5,5-DIPHENYLHYDANTOINS; Classification: 548/112; Product Trade Name: CEREBYX (fosphenytoin sodium); Original Expiration Date: April 7, 1998; Term Extended: One-Year.