Mark Vanhegan QC > Chambers of Iain Purvis QC > London, England > Lawyer Profile

Chambers of Iain Purvis QC
11 South Square
Mark Vanhegan photo


Barrister dealing with all aspects of intellectual property law, media and entertainment and technology-related disputes. Appears regularly in all the courts and tribunals in England and Wales as well as Europe relating to intellectual property rights, including CJEU, Supreme Court and the European Patent Office. Also instructed in commercial arbitrations and is frequenty instructed as a mediator and as an expert in determinations. Notable cases include:

Koninklijke Philips NV v Asustek Computer Incorporation & Ors [2016] EWHC 2220;

Unwired Planet International Ltd v Huawei Technologies Co Ltd & Ors [2016] EWHC 94 (Pat) Trial B

Pinterest v Premium Interest [2015] EWHC 738;

Jason Rawding v Seaga UK Ltd [2015] EWCA Civ 113;

Weatherford Global Products v Hydropath Holdings Ltd [2014] EWHC 2725 (TCC);

Apple v Samsung [2014] EWCA Civ 250;

Magmatic v PMS [2014] EWCA Civ 1925;

Collingwood Lighting v Aurora [2014] EWHC 228;

Nestec SA & Ors v Dualit Ltd & Ors [2013] EWHC 923 (Pat)

Manvers v Lubetech [2013] EWPCC 3393;

Hollister v Medik Ostomy [2012] EWCA Civ 1419;

Tarbs v Republic of Macedonia [2012] EWHC 1691;

Jones v Ricoh Ltd [2012] EWHC 348;

Bailey v Graham (Reggae Reggae Sauce) [2011] EWHC 3098;

Ate My Heart v Mind Candy (Lady Gaga v Lady Goo Goo) [2011] EWHC 2741;

Becker v OHIM (ECJ) [2010] ETMR 53, [2009] ETMR 38;

Virgin Atlantic v Premium (CA) [2010] FSR 27, [2010] RPC 8;

Virgin Atlantic Airways v Delta (Arnold J) + (CA) [2011] 8 + 18;

Galileo v European Union [2011] ETMR 22;

Kingsway Hall Hotel v Redsky [2010] EWHC (TCC);

Skype & Ebay v Joltid (2009);

Zeno Corp v BSM Bionic [2009] EWHC 1829;

Rousselon Frere v Hurwood [2008] RPC 30 + 31;

Knorr-Bremse v Haldex Brake [2008] FSR 30;

Independiente v Music Trading on-line (CD-WOW) [2008] 1 WLR 608 (CA), [2007] FSR 21;

O2 v H3G [2008] RPC 2 and 3;

Triumph v Eaton [2007] EWHC 1367;

Mastercigars v Hunters & Frankau [2007] RPC 24 (CA);

Navitaire v Easyjet [2006] RPC 2 and 3;

Sabaf v MFI [2005] RPC 10 (HL);

Chinawhite [2005] FSR 10 (CA);

Blayney v Clogau [2002] (CA);

Thibierge & Comar v Rexam [2002] RPC 18;

NLA v Marks & Spencer [2003] 1 AC 551 (HL);

Dyson v Hoover [2002] RPC 42 (CA);

DaimlerBenz v Alavi [2001];

Bruce Springsteen v Masquerade Music [2000] (CA);

Wheatley v Drillsafe [2000] (CA);

Mars v Teknowledge [2002];

ProSeiben v Carlton TV [1999] (CA);

Gerber v Lectra [1997] (CA);

Cavity Trays v RMC [1996] (CA).


Called 1990; QC 2009.


IP Bar Association; Chancery Bar Association.


Abingdon School; Trinity College, Cambridge (MA natural sciences & law; 1989 BA, 1992 MA).


Hill walking, tennis, travel.

Lawyer Rankings

London Bar > IT and telecoms

Leveraging its notable IP strength, 11 South Square is a key name for mandates spanning IP and IT law. In a recent highlight, Michael Silverleaf QC defended Victorian Plumbing in a claim alleging trade mark infringement relating to bidding on adwords in search engine results. Other key names include Mark Vanhegan QC, who acted for Philips as claimant in the Patent Court in three distinct patent infringement trials arising from the defendants’ implementation of high-speed packet access technology in mobile telecoms networks; and Brian Nicholson QC, who specialises in cases involving electronic and computing content.

London Bar > Intellectual property

11 South Square is consistently involved in high-profile, IP-related first instance trials and appeals. In recent work, Iain Purvis QC acted for Edwards Lifesciences in a long-running patent action, brought by Evalve and Abbott, in relation to patents for devices for treating the heart’s mitral valve; Michael Silverleaf QC successfully acted for ASDA in consolidated proceedings that concerned a single dispute over trade mark ‘TAILOR & CUTTER’; and Mark Vanhegan QC appeared for Philips in a five-day Court of Appeal hearing, following three Patents Court infringement trials in 2018. In recent news at the junior level, Anna Edwards-Stuart was appointed Standing Counsel for the Comptroller of Patents, Designs and Trade Marks in 2019.