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Chambers of Iain Purvis QC

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Mark Vanhegan QC

Work 020 7405 1222
11 South Square (Chambers of Iain Purvis QC)


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.

London Bar

IT and telecoms

Within: IT and telecoms

The ‚Äėexcellent‚Äô 11 South Square¬†‚Äėhave a very strong field of IP QCs‚Äô with experience across the IT and telecoms sector. Michael Silverleaf QC¬†was instructed by Semtech in their dispute with Hilight Semiconductor regarding a patent for a computer chip, while Mark Vanhegan QC¬†acted for Philips in three Patents Court trials regarding allegations of infringement of three standard essential patents against ASUS and HTC. Other barristers of note include Brian Nicholson QC, who took silk in 2019.

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Intellectual property

Within: Leading Silks

Mark Vanhegan QC - 11 South Square ‚Äė A well-respected silk who is great to work with and always delivers. ‚Äô

Within: Intellectual property

11 South Square is 'a top IP set' with capabilities across the full-range of rights. The group has expertise advising on standard essential patents and FRAND litigation, with Brian Nicholson QC instructed in Conversant v Huawei and ZTE, and Mark Vanhegan QC representing Philips in litigation against HTC, Acer, and Asus. In high-profile Supreme Court cases, Benet Brandreth QC represented Cartier International in Supreme Court in litigation against five internet service providers relating to website-blocking injunctions, while Kathryn Pickard was instructed by Mylan and Actavis against Warner Lambert in a leading case for the application of the concepts of sufficiency and infringement to a patent relating to a specified medical use of a known pharmaceutical compound; Michael Silverleaf QC was instructed by the NHS in this case. Also of note, Brian Nicholson QC, who has particular expertise in the technology sector, took silk in 2019.

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