Facts
The companies X. international SA and X. création SA hold international registrations of jewelry designs, intended to protect their N. collection. In 2005, they discovered that the company [Y.] bijoux SA was selling jewelry similar to their protected models. They therefore initiated legal proceedings against [Y.] bijoux SA to establish the infringement of their rights. [Z.] joaillerie Sàrl, which had supplied the jewelry to [Y.] bijoux SA, intervened in the proceedings and requested the nullity of certain designs registered by the X. companies.Considerations
The Court of Justice granted the request of [Z.] joaillerie Sàrl and declared the nullity of four of the registered designs, on the grounds that they did not meet the legal requirements of novelty and originality. The X. companies appealed against this decision.
The Federal Tribunal dismissed the appeal. It considered that the disputed designs are not new, as they present minor differences compared to jewelry already published in a catalog of the X. companies.…