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Kostyantyn advises on contentious matters involving all intellectual property and related rights. He advises at all stages of a dispute, from pre-action advisory and clearance work, to litigation in the High Court and beyond. His clients in this field include brand owners, members of the creative industries, IT, software and engineering companies; importers and distributors. They range in size from small tech start-ups to global companies with sizeable in-house legal teams.

Kostyantyn has a particular interest in the interactive entertainment sector, and the law on infringement of intellectual property rights through online distribution platforms. He also has experience of setting up and co-ordinating several anti-counterfeiting and customs enforcement programmes for major brand owners.

Another significant part of Kostyantyn’s practice involves advising on advertising laws, self-regulatory codes, and related consumer protection issues. He advises on how to deal with regulators (including the ASA and Clearcast) in the context of complaints, investigations and pre-clearance discussions. He understands the pressures often faced by brands and agencies in this space, and is accustomed to co-ordinating multi-national clearance projects.

Kostyantyn is listed within the Brand Management section of the Legal 500, which notes that he advises brands and advertising agencies on regulatory and clearance issues, including handling of investigations by the ASA.