Three New Square chambers have practised in intellectual property law in the United Kingdom for over sixty years. Chambers currently comprises nineteen tenants, eight of whom practise as Queen’s Counsel.

The core of the work undertaken in chambers involves patents, registered trade marks, passing off, copyright, registered designs, design rights, confidential information and trade secrets. In addition, work carried out in chambers can involve information technology, computer contracts, media and entertainment law, scientifically complex litigation, arbitration, franchising, plant breeders rights, performing rights, semi-conductor topography rights, moral rights, and related areas of European and UK competition law.

Members of chambers are very experienced in dealing with technical subject matter. Currently members of chambers have, between them, undergraduate and post-graduate degrees in chemistry, engineering, physics, veterinary medicine, neuroscience, immunology, geophysics and psychology.

Chambers and its members are regularly recommended as leaders in the field of Intellectual Property and Information Technology law in leading legal directories, including Chambers & Partners and the Legal 500. Chambers was named Intellectual Property/Information Technology set of the year for 2010, 2012 and 2014.  Chambers was also voted Legal 500 IP, IT and Media Set of the Year for 2015.

Directory Quotes

Chambers and Partners 2016

The Set: Houses some of the finest IP silks in the market and juniors of all levels of experience. Members have prestigious scientific and technical credentials and are imbued with the set's characteristic commercial ethos. They are routinely engaged in potentially market-changing life sciences patent cases, and their specialist knowledge across all other fields of IP law is mightily impressive. Recent cases handled included Interflora v Marks & Spencer, and Idenix v Gilead, a high-profile patent trial concerning hepatitis C.

Client service: "I always receive a prompt and friendly service from members and the clerks always try to accommodate my needs and the client’s budget. They are also good at keeping me informed of counsels' availability over extended periods of time." The "extremely pleasant and urbane" Nick Hill is the senior clerk at the set.

Legal 500 2015

 IP: There is real expertise and strength in depth at all levels’ at Three New Square. The set is ‘absolutely on top of its game, covering every base of IP law’, although it has traditionally been better known for patent disputes. Chambers was recently instructed on both sides in London Taxi v Metrocab, a high-profile trade mark case, and Idenix v Gilead, a key patent trial concerning treatments for Hepatitis C.


IT: Three New Square is best known for IP work but it also has a thriving IT practice. In 2014, members were involved in the Samsung v Apple mobile and tablet patent dispute


Media: Three New Square is best known for patent disputes, but its soft IP practice also continues to go from strength to strength. Chambers has related expertise in media and IT law, and a growing international practice. Members exhibit ‘a wealth of knowledge and experience’, and are praised as ‘friendly and approachable’. The ‘top-drawer’ clerks’ room provides ‘an impeccable service’ which ‘exceeds expectations’. Senior clerk Nicholas Hill is ‘charming and effective’. His team includes Tim Fairburn, who is ‘very sensible and commercially minded’.