Thomson Reuters names eight Keystone Law partners in its Stand-out Lawyers Guide 2026
Andrea James, Andrew Darwin & Anna McKibbin
“Lucy Harrold and Keystone Law have served Tangle Creations successfully in every copyright infringement action for Tangle. Lucy’s actions were always timely and on budget. I’m a big fan of Keystone Law and Lucy Harrold and would recommend them to anyone who needs great IP enforcement.”
- Richard X Zawitz, President
“Lucy at Keystone Law has been exceptional in supporting us through a complex trademark dispute. She has taken the time to ensure we fully understand our legal position and has provided clear, well-reasoned advice on procedures, next steps, and the associated risks. Her professionalism, responsiveness, and ability to distil complicated issues into practical guidance have been invaluable. I would highly recommend Lucy to anyone seeking expert and reliable legal support.”
- Chief Operating Officer, Medify Limited
Lucy is a specialist intellectual property lawyer and has extensive experience in advising on all IP and related rights. She has a particular expertise in IP disputes, both in resolving them and litigating them in the Intellectual Property and Enterprise Court, High Court, and Court of Appeal of England and Wales. She also has a distinct specialism in copyright issues in the context of software, the Internet, and databases.
Lucy’s clients have ranged from artists and inventors through to banks, professional service firms, and large airlines. Other sector experience includes shipping, energy, retail, healthcare, and manufacturing.
She also specialises in contractual issues related to the International Treaty on Plant Genetic Resources for Food and Agriculture about which she advises international non-governmental organisations.
Lucy taught Intellectual Property Law to undergraduates at Cambridge University as an external tutor between 2012 and 2018 and has recently been lecturing and working on policy issues surrounding Artificial Intelligence and Copyright.
Lucy advises on all aspects of IP, including patents, trade marks, designs, copyright, moral rights, ‘passing off’, and confidential information including due diligence, discrete IP documents such as confidentiality agreements, assignments, licences, and co-existence agreements.
Experience
Lucy represents clients in IP and IT disputes, including copyright, trade mark, ‘passing off’, and domain name conflicts. She has litigation experience in IPEC, the High Court, and Court of Appeal.
Experience
Lucy advises retail clients on intellectual property protection, branding, and licensing. She assists with trade mark strategy, design rights, and online issues, helping retailers protect and enforce their brand assets across digital and physical markets.
Experience
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recognised by The Legal 500 for Intellectual Property: Trade marks, Copyright and Design 2023, 2025-2026
Recognised by The Legal 500 as Recommended for Intellectual property: Patents 2023–2025
Recognised by Managing Intellectual Property (MIP) IP Stars as Notable Practitioner 2022, 2024–2025
Member of the International Association for the Protection of Intellectual Property (AIPPI)
Member of the Pharmaceutical Trade Marks Group