The Mark on the Clasp: Jewellery, Watches, and the Authentication Economy
By Casey Scott McKay ·
A watch or a piece of jewellery is a small object carrying a large number of overlapping rights. Design patents cover the case and the bracelet, trade dress covers the recognisable silhouette, and trademarks sit on the dial and the clasp. Hallmarking rules impose marking obligations that have nothing to do with intellectual property at all. The interesting questions arise long after the first sale, when the object is resold, modified, serviced, or authenticated by someone the brand never appointed. This article works through what is protectable in a design that must remain recognisable for decades, the first sale doctrine and where it stops, the customisation market, servicing and parts as an aftermarket question, and the authentication economy resale platforms have built on brand owners' rights. It closes with counterfeiting and where enforcement is most effective.
IP and Technology > Trademarks | Article | Published 1 April 2026 - Updated 30 July 2026 | Casey Scott McKay - marksy.us
Summary. A watch or a piece of jewellery is a small object carrying a large number of overlapping rights, and the interesting questions arise long after the first sale. Design patents cover the case and the bracelet, trade dress covers the recognisable silhouette, trademarks sit on the dial and the clasp, and hallmarking rules impose marking obligations unrelated to intellectual property. This article works through what is protectable in a design that must stay recognisable for decades, the first sale doctrine and where it stops, the customisation and modification market, servicing and parts as an aftermarket question, and the authentication economy resale platforms have built on brand owners' rights.
Keywords: jewellery trademarks · watch design patents · trade dress in jewellery · hallmarking · serialisation · authentication services · grey market watches · first sale doctrine · material difference · customised and modified goods · resale platforms · counterfeit movements · servicing and parts · certification of origin · provenance records
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