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T: +44 (0)845 257 9449
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OUR LAWYERS

Roy Crozier

Co Founder and Partner of Ionic Legal

+44 203 603 0062
Contact Roy

Contact Roy

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Roy Crozier is the co-founder of Ionic Legal, a boutique Intellectual Property Law Firm. Ionic Legal is a trading name of Excello Law.

Roy has over 25 years of experience from leading law firms, including 5 years at Baker & McKenzie, 12 years as the Head of Intellectual Property at Clarke Willmott and, more recently, joint Head of IP at Foot Anstey. As a leading lawyer recognised in the Legal 500 2025 and Chambers guides to the legal profession , Roy’s expertise in advising brands on protecting, exploiting, and enforcing intellectual property rights is considerable.

Throughout his career, Roy has advised some of the world’s most renowned brands. His significant experience in both contentious and non-contentious intellectual property law has seen him act for brands in both domestic and international disputes and complex corporate transactions.   He has acted for companies before the IPEC, High Court, Court of Appeal and the Court of Justice of the European Union.   Moreover, through a network of global contacts, he has assisted clients with disputes in many parts of the world and is currently assisting clients in relation to intellectual property litigation before the courts in China, Taiwan and Germany.

Testimonials

Roy Crozier has consistently given us excellent support. He has responded to us very quickly, and has been able to find either a solution within his team, or via his external network.
Legal500 Client
Roy Crozier is knowledgeable about the law, has a good commercial sense and is firm on behalf of his clients.
Legal500 Client
I have worked with Roy Crozier for a number of years on anti-counterfeiting and other intellectual property matters. He has the ability to apply practical and technical legal solutions in a manner which demonstrates his commercial awareness of the realities involved in doing business whilst protecting and exploiting valuable IP assets. I would not hesitate to recommend Roy and his team to other leading brands.
Andrew Pitter

In-House EMEA at Deckers (UGG)

Team Members