46In that context, with regard more specifically to exclusivity clauses, it is true that the Court has held that clauses by which contracting parties undertook to purchase all or a considerable part of their requirements from an undertaking in a dominant position, even if not accompanied by rebates, constituted, by their very nature, an exploitation of a dominant position and that the same was true of the loyalty rebates granted by such an undertaking (judgment of 13 February 1979, Hoffmann-La Roche v Commission, 85/76, EU:C:1979:36, paragraph 89).
Source: EUR-Lex, © European Union, 1998-2026. Reuse authorised under Decision 2011/833/EU.