165HB also contests the Commission's claim (see recital 213 of the contested decision) that, as HB has placed the cabinets in retail outlets, any contractual restriction that HB imposes on the use of the cabinet can be subject to the competition rules. It submits that, in the intellectual property field, it is recognised that matters going to the essence of a property owner's rights include not only the rights to licence (Case 434/85Allen & Hanburys [1988] ECR 1245, paragraph 11), to refuse third parties the grant of licences (Case 238/87Volvo [1988] ECR 6211, paragraph 8), to prevent infringements of rights (Joined Cases C-92/92 and C-326/92Collins [1993] ECR I-5145), but also particular provisions of a licence agreement (see paragraphs 75, 79, 85, 86, 90 and 100 of Commission Decision 83/400/EEC of 11 July 1983 relating to a proceeding under Article 85 of the EEC Treaty (IV/29.395 — Windsurfing International), OJ 1983 L 229, p. 1). The exclusivity clause is qualitatively comparable to the types of clauses authorised in licences of intellectual property rights.