 Any trademark, whether already registered or being presented for registration, may be contested by the person who 0claims that it belongs to him, or that the resemblance is so close that it may mislead the consumer.Any opposition to the registration of a trademark on the grounds of prior use or close resemblance, and/or claims relating to the infringement of a registered trademark, may be filed with the General Courts of Tehran.The right to contest a trademark is in force for three years, starting from the actual date of its registration.