Merck & Co. v. Teva Pharmaceuticals USA — Fosamax Once-Weekly Patent Obvious in Light of Prior Art Disclosing Same Dosing Concept; ‘About’ Carries Ordinary Meaning of ‘Approximately’
The Federal Circuit reversed the district court and invalidated Merck’s Fosamax once-weekly dosing patent as obvious, holding that prior art newsletter articles clearly disclosed once-weekly alendronate dosing, that the claim term ‘about’ retains its ordinary meaning of ‘appr