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.

Christmas Opening Hours

3 New Square remains open for business during the Christmas and New Year period, with the following adjustments to usual opening hours:

DateHours
Mon 21 December9am – 6pm
Tue 21 December9am – 6pm
Wed 22 December9am – 6pm
Thurs 23 December9am – 6pm; premises closed, clerks will be available on 020 7405 1111
Friday 24 December9am – 12 noon; premises closed, clerks will be available on 020 7405 1111
Sat 25 December 
Sun 26 December 
Mon 27 DecemberClosed
Tue 28 DecemberClosed
Wed 29 December9am – 5pm; premises closed, clerks will be available on 020 7405 1111
Thurs 30 December9am – 5pm; premises closed, clerks will be available on 020 7405 1111
Fri 31 December9am – 12 noon; premises closed, clerks will be available on 020 7405 1111
Sat 1 January 
Sun 2 January 
Monday 3 JanuaryClosed
Tuesday 4 January onwards9am – 6pm