Article 19

1. [Validity of the Registration and Protection of the Mark] The non-recordal of a license with the Office or with any other authority of the Contracting Party shall not affect the validity of the registration of the mark which is the subject of the license or the protection of that mark.

2. [Certain Rights of the Licensee] A Contracting Party may not require the recordal of a license as a condition for any right that the licensee may have under the law of that Contracting Party to join infringement proceedings initiated by the holder or to obtain, by way of such proceedings, damages resulting from an infringement of the mark which is the subject of the license.

3. [Use of a Mark Where License Is Not Recorded] A Contracting Party may not require the recordal of a license as a condition for the use of a mark by a licensee to be deemed to constitute use by the holder in proceedings relating to the acquisition, maintenance and enforcement of marks.