CABINET CHAILLOT Industrial Property Attorneys in France Professional Representative before the EPO Professional Representative before the OHIM France: Colombes | La Roche-sur-Yon | Dijon   Français | Español Title VIII : Community Collective Marks Article 64 : Community collective marks Article 65 : Regulations governing use of the mark Article 66 : Refusal of the application Article 67 : Obervations by third parties Article 68 : Use of marks Article 69 : Amendment of the regulations governing use of the mark Article 70 : Persons who are entitled to bring an action for infringement Article 71 : Grounds for revocation Article 72 : Grounds for invalidity