Osborne Clarke LLP remains at the forefront of AI legal services, continuing to advise global AI developers and high-end users on cutting-edge regulatory, governance, and commercial issues. The group is led by John Buyers, a recognised authority on AI law who brings both academic and practical insight into complex areas such as agentic AI, retrieval-augmented generation (RAG), and enterprise-level AI governance frameworks. Former co-chair Tamara Quinn has moved internally to serve as the firm’s AI Knowledge Director. Emily Tombs’ client base ranges from major model developers to innovative start-ups and global professional services providers.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Deep understanding of technology, and ability to engage in comprehensive discussion on the applicability of regulation to technological solutions.’

  • ‘Highly responsive, very good services, deep understanding of technology and ability to translate regulation to tech professionals.' 

  • They demonstrate a clear understanding of both the legal and technological dimensions of financial innovation. Whether advising on regulatory frameworks, compliance strategies, or the drafting of public-facing documents, they bring clarity and confidence to every matter.'
  • 'What stands out most is their ability to align legal solutions with our broader business goals. They are not only technically sound but also collaborative, approachable, and a pleasure to work with.'
  • ‘I’ve had the pleasure of working closely with Katherine Douse (Director) and John Buyers (Partner), and I truly value their support as trusted outside counsel. They consistently demonstrate exceptional work ethic, attention to detail, and a clear commitment to delivering high-quality work.' 

  • ‘We have had good support from the team at Osborne Clarke across the multitude of areas that feed into AI advice, including data protection and intellectual property.’

  • ‘John Buyers is an expert in the field of artificial intelligence. He has written a leading test on AI dating back to 2018. His deep understanding of the technology and his long-standing experience in this area allows him to offer insightful legal advice.’

  • ‘Team is knowledgeable, practical, and responsive.’

  • 'Working with the FinTech team at Osborne Clarke UK has been consistently excellent. Their deep sector expertise, commercial awareness, and pragmatic legal advice make them an invaluable partner for navigating complex regulatory and transactional matters in the FinTech space.'

  • 'John Buyers is knowledgeable, practical, responsive and helpful.'

Key clients

  • Merlyn Mind
  • Fetcherr
  • PwC LLP

Work highlights

Supporting Merlyn Mind with its Emergence Platform, an agentic AI workflow system, which routes requests to first and third party generative AI models.
Supporting Fetcherr to understand the potential regulatory implications arising from its AI-powered pricing and inventory control engine from a UK and harmonised EU law perspective.
Supported PwC on its generative AI policy, in particular providing advice to the firm on intellectual property and AI issues surrounding generative AI prompts (inputs) AI generated outputs.

Lawyers

Hall of Fame

The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Tamara Quinn

Leading associates

Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.

Emily Tombs

Practice head

John Buyers

Other key lawyers

Katie Vickery; Katherine Douse; Emily Tombs; Thomas Stables