11 South Square

Information Technology Department

London (Bar)
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11 South Square offers great depth of expertise in IT and telecoms-related intellectual property matters, and is consistently hailed by market observers as "one of the top IP chambers." Its tenants are sought out by major technology companies and corporate clients for some of their most substantial patent disputes, and barristers from the set have excellent knowledge of FRAND licensing matters. For example, members recently appeared for Philips in a Court of Appeal case concerning claims for patent infringement against ASUS and HTC.

Client service: Ashley Carr is the senior clerk. "I was immensely happy with the service I received from the set."

Brian Nicholson QC

A highly regarded silk who has particular strength in handling patent and trade mark disputes. He is especially valued by technology clients as he has both commercial awareness and a comprehensive understanding of the technical aspects of his cases. He is particularly noted for his work in telecommunications, where his prior industry experience serves him well.
Strengths: "Very good – he has lots of experience."
Recent work: Represented IPCom in a Patents Court action against Vodafone, in which IPCom alleged that Vodafone had infringed its network patents.

Mark Vanhegan QC

Has a broad practice covering the technology aspects of patent, telecommunications and media law. He is also an experienced mediator and arbitrator, who draws on his strong technical knowledge to aid resolution. His client list includes household-name technology companies and public bodies.
Strengths: "He is extremely knowledgeable and has good attention to detail." "He is effective, smart and completely unflappable." "He is good at cross-examination."
Recent work: Represented Philips in a Court of Appeal hearing involving patents for high-speed packet access technology in mobile telecommunications networks.

Michael Silverleaf QC

Handles the most complex aspects of both IT and IP law, and is able to advise clients on the commercial and technical considerations of cases including software licensing disputes. He also acts as a mediator, and is an expert on strongly contested patent disputes.
Strengths: "First-class operator." "His advice and support is excellent."