Leighton Cassidy | Fieldfisher
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The international nature of my work has given me significant experience of assisting clients in a variety of jurisdictions.

As part of the firm's leading Intellectual Property practice, I work across multiple industry sectors including major consumer and fashion brands, energy and natural resources, financial institutions; hotels and leisure, retail, life sciences and healthcare, sport, technology, media and telecommunications.

I have over 20 years' domestic and international experience advising clients in relation to their intellectual property and commercial requirements.

This includes worldwide trade mark and design clearance, filing and prosecution; contentious registry proceedings, including bringing and defending trade mark opposition, invalidity and revocation actions throughout the world; trade mark licensing, exploitation and commercialisation; settlement, co-existence agreements and dispute resolution, managing IP litigation internationally.

I have represented a number of household name clients in protecting their brands from infringement and regularly work for clients in the UK and EU, North America, the Middle East, China and the Far East and Asia Pacific. I am an active committee member of the International Trademark Association (INTA) and currently sit on the INTA Bulletin committee.

I am recommended in the legal directories and specialist intellectual property press for IP and trade mark work, particularly in relation to my telecoms clients. I am described in Legal 500 as "able to understand business needs and come back with effective solutions". I am also a listed expert in The International Who's Who of Trademarks Lawyers.

I have spoken widely at industry events and commented in and published articles in Intellectual Property Magazine, WTR, Managing IP and WIPR and Fieldfisher's own highly-regarded IP blog, 'SnIPpets'. I also led the team that won the Managing IP EMEA Trade Mark Prosecution (UK Law Firms) Award 2019.

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