procedures for the original registration applications. Such decision shall be subject to appeal and challenge in the same manners prescribed for decisions issued for such applications. Article 19 The Competent Authority may add any previously omitted statement to the register, and maymodify or delete any statement improperly entered therein. All concerned parties may challenge any of these measures taken by the Competent Authority in a court of jurisdiction Chapter Two: The Term of Trademark Protection Article 20 1. The term of protection consequent to registration of a trademark shall be ten years. If the owner wishes to continue such protection for similar periods, he shall submit an application for renewal during the last year, provided that such application is submitted in accordance with the conditions stipulated in this Law and its executive bylaw. 2. Trademark owner shall have the right to renew the registration of the registered mark during the six months following the expiration of the registration. 3. If a period of six months has elapsed after expiration of the registration and the owner of the mark has not applied for renewal thereof, the Competent Authority may delete the mark from the register. 4. Renewal shall not be subject to any further inspection or to any opposition from third parties and shall be advertised in any publishing means prescribed by the executive bylaw. Article 21 The marks placed on the goods prohibited in the official international exhibitions or officially recognised which is held within the State shall be accorded temporary protection during their presentation whenever satisfy the registration conditions provided for in this Law, the executive bylaw shall specify the rules and procedures for granting such temporary protection. Chapter Three: Cancellation of Trademark Registrat Article 22 Without prejudice to the provisions of Article 7 herein, the Competent Authority as well as any concerned party may request a court of law to cancel an improperly registered trademark. The Competent Authority shall cancel the trademark as soon as a final ruling is issued thereon. Article 23 The owner of the trademark may apply to the Competent Authority to cancel the mark of either all or part of the goods and services associated with the mark. The application for cancellation shall be submitted in accordance with the terms and procedures specified by the executive bylaw. Where the use of such mark is registered under a contract entered into the register, cancellation of the mark shall not occur except with the written consent of the license holder or where he expressly waives his right therein.