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Jemma Costin
Solicitor
Dispute Resolution, Technology, Media and Telecoms
She has acted for clients in the media, retail, technology, hospitality and video games sectors in proceedings before the High Court and Intellectual Property Enterprise Court, as well as at pre-action and settlement stages.
Her experience includes copyright, trade mark and design disputes, breach of contract claims, shareholder and partnership disputes, defamation and reputation management and contentious data protection matters. She also completed a six-month secondment to a global video games company, advising on IP, commercial and consumer law issues in the interactive entertainment sector.
Jemma’s academic writing on IP enforcement in video games was published in the Interactive Entertainment Law Review (2026, Vol 9(1)), and she has lectured in intellectual property law at Goldsmiths, University of London.
Before her legal career, Jemma completed a degree in Music and maintains a strong interest in the creative and technology sectors.
Work highlights
COPYRIGHT AND DESIGN RIGHT CLAIM
Supported the Defendants in a complex copyright and design right claim in the Intellectual Property Enterprise Court related to the hospitality sector, assisting from pleadings through to settlement
ENFORCEMENT
Acted for a global fashion brand in trade mark oppositions and anti-counterfeit enforcement
BREACH OF CONTRACT AND COPYRIGHT DSIPUTE
Advised on a breach of contract and copyright dispute in the Intellectual Property Enterprise Court regarding an NFT viewer, achieving the withdrawal of a default judgment application
MULTI-ANGLED CLAIM
Supported the Defendants in a multi-issue misuse of private information, breach of confidential information, breach of data protection claim
Recent articles
Insights
If in doubt, stick to the core principle: make it clear when AI is being used in a way that could mislead people.
29/06/2026
Resources
See details of how we approach dispute resolution work, alongside a selection of cases our litigation experts have undertaken for our clients across a range of disputes in FY2025-26.
22/06/2026
Insights
From 19 June 2026, all organisations must have a clear and accessible process for handling data protection complaints.
18/06/2026
Insights
In this article we highlight the areas from which professional negligence claims most frequently arise, and some key considerations for protecting your position.
02/06/2026