Louis Victor Semet Ernest Solvay (Reasons) v The Societe Solvay Et Compagnie for Extension of Letters Patent: PC 8 Dec 1894 dls 3 years ago (Whitehall Court Chamber) Citations: [1894] UKPC 49 Links: Bailii Jurisdiction: Commonwealth Intellectual Property Updated: 19 August 2022; Ref: scu.417576