Article 129¹⁵²
Periodical publications

The European Patent Office shall periodically publish:

(a) a European Patent Bulletin containing the particulars the publication of which is prescribed by this Convention, the Implementing Regulations or the President of the European Patent Office; 

(b) an Official Journal containing notices and information of a general character issued by the President of the European Patent Office, as well as any other information relevant to this Convention or its implementation.