MERCK SHARP & DOHME LTD v WYETH LLC

Abstract

H1 Patents — European patents — Vaccines — Formulations — Use of surfactants — Revocation — Infringement — Validity — Construction — Person skilled in the art — Common general knowledge — Reliance on textbooks and scientific publications — Reliance on other vaccines containing surfactants — Whether claim limited to use in vaccines with identified serotypes only — Added matter — Novelty — Obviousness