We reported previously in this column how Société des Produits Nestlé sued for a preliminary injunction prohibiting the retail discounter Denner from selling and advertising coffee capsules compatible with Nestlé's Nespresso coffee machines that were similar in appearance to the Nespresso coffee capsules. Nestlé's claims were based on a three-dimensional trade mark registration for the capsule shape, on a trade mark registration for the mark What Else? and on unfair competition law. The first instance judge granted the injunction in ex parte proceedings, but subsequently essentially revoked it in inter partes proceedings. The judge considered Denner's argumentation persuasive that the form registered in Nestlé's 3D trade mark cannot be granted trade mark protection because it is technically necessary, in particular for capsules intended to be compatible with Nespresso coffee machines. Nestlé on the other hand argued that the conical shape of its coffee capsule registration is not technically necessary for compatibility with Nespresso coffee machines or other machines, and that a number of alternative, different Nespresso-compatible capsule shapes exist, so that its trade mark registration was valid.