Dionne has experience across media disputes and reputation protection. Her practice includes intellectual property disputes involving copyright and performers’ rights, defamation, misuse of private information, data protection, and general commercial litigation, including contractual claims and corporate disputes.  

Dionne has acted in numerous High Court proceedings, including representing high-profile musicians to protect their copyright interests, advising companies and individuals within the Film & TV industry on their intellectual property and contractual rights, advising on fraud and breach of warranty claims relating to the sale of a music tech company, working with literary agents and publishers on copyright and breach of confidence claims, and obtaining urgent injunctions for misuse of confidential information.  

In the reputation protection area, Dionne advises companies and high-net-worth individuals in relation to mainstream media and online publishers, both pre- and post-publication. Dionne has worked with clients in the music, film, sports, technology, private equity, and professional service industries to help protect their reputation.  

Dionne graduated from the University of Edinburgh with First Class Honours in Law. Prior to joining Simkins, she worked in-house for an investment company in New York.  

Dionne is Co-Chair of the Next Generation Media Lawyers association and was named as a recommended lawyer in the media and entertainment section of Legal 500 2023.