Three New Square is a set of barristers’ chambers specialising in intellectual property law which has been established for over seventy years and currently comprises twenty-two 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.


In the light of the imposition of Tier 4 restrictions from 20 December 2020, the clerks’ room will not be staffed and all clerks and members of chambers will be working remotely.  Our  phonelines will staffed between 8am and 7pm.

For more information about chambers and its members during the current COVID-19 pandemic, please click here