Stuart Helmer

Practice Areas

Stuart Helmer is Of Counsel in the Intellectual Property team and head of the CMS London advertising and marketing group. He has over 15 years’ experience of advising a wide range of businesses on advertising and marketing compliance and disputes and is individually ranked for Advertising and Marketing by Chambers. Clients describe him as ”bloody fantastic … really, really pragmatic and an absolute lifesaver”.

Stuart frequently advises on comparative advertising disputes, including in major High Court litigation in relation to allegedly misleading comparative advertising. He also frequently advises on making and responding to complaints to the Advertising Standards Authority, where he has particular experience of late-stage interventions to reverse or mitigate a draft decision against his client. He also has extensive experience of implementing and operating day-to-day advertising clearance programmes.

Work Highlights

SharkNinja in High Court trade mark infringement proceedings against Dyson in relation to comparative advertising.

Conducting SharkNinja’s UK advertising and packaging clearance programme.

A leading multinational consumer electronics business on reversing an adverse draft ASA adjudication, thus enabling a major international product launch to proceed as planned

A household name food delivery business on advertising compliance.

A multinational manufacturer of household paper products on curtailing misleading advertising claims by a competitor.

A leading international manufacturer of lighting, security and home cinema technology on curtailing the activities of a rogue trader presenting itself as an authorised distributor.

Johnson & Johnson on advertising regulatory compliance across its vision care, surgical and consumer healthcare divisions.

A rare Association of British Healthcare Industries (“ABHI”) advertising panel complaint in relation to a medical device.

Education