Treaties — Interpretation of treaties — Bilingual treaties — French — German Convention on the Protection of Indications of Origin 1960 — Equally binding in both French and German versions — Teleological interpretation — The law of the Federal Republic of Germany

Treaties — Interpretation of treaties — Principles and rules of interpretation — Purpose of treaty — Intention of parties — General context and history of treaty — French-German Convention on the Protection of Indications of Origin 1960 — ‘Champagne’ — Extent of protection to be given to the term — Whether comparable domestic legislation of assistance — The law of the Federal Republic of Germany