Article 4
Every mark, being the name of a person who submits articles for hallmarking, or an abbreviation thereof or a symbol indicating such a person which has been entered in the official register of a Contracting State other than the United Kingdom, or in the official register of an authorised assay office in the territory of such a Contracting state, is designated—
(a)
as a mark recognised pursuant to the Convention; and
(b)
as a sponsor’s mark for the purposes of the Act.