Mark Summers KC

Ranked in 2 Practice Areas

Star Individuals

Extradition

London (Bar)

12 Years Ranked

Band 1

Crime

London (Bar)

21 Years Ranked

About

Provided by Mark Summers KC

UK Bar

Practice Areas

Specialist in extradition, mutual legal assistance, criminal EU law. Recent extradition cases include ● India v Vijay Mallya ● USA v Naviner Sarao (the 2010 “flash crash”) ● USA v Kareem Serageldin (Credit Suisse executive prosecuted for his part in the 2008 financial crisis) ● the collapse of Enron (the “NatWest 3”) ● Spain v Rwandan intelligence chief, General Karenzi Karake ● Sweden v Julian Assange ● South Africa v Shrien Dewani. Mark’s domestic criminal practice focuses on anti-terrorism and cases concerning complex cross-border and jurisdictional issues. His recent caseload has included ● R v Anjem Choudary ● the 1982 Hyde Park IRA bombing ● the Pakistani international cricket spot-fixing trial ● the plot to bomb the London Stock Exchange ● challenges to the legality of the policing of the 2011 Royal Wedding.

Professional Memberships

Extradition Lawyers' Association (former Chair).

Publications

Co-author of “Abuse of Process in Criminal Proceedings” (Bloomsbury, 4th. ed., 2014); "The Law of Extradition and Mutual Assistance" (OUP, 3rd ed., 2013), “Human Rights and Criminal Justice” (Sweet & Maxwell, 3rd ed., 2012). Contributing editor to "Fraud: Criminal Law and Procedure" (OUP).

Chambers Review

Provided by Chambers

UK-Bar

Extradition - London (Bar)

Star Individuals

Individual Editorial

Mark Summers KC is an expert in mutual legal assistance who represents individuals as well as European and other governments in all manner of extradition cases. He has particular experience of handling US extradition matters.

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Crime - London (Bar)

Band 1

Individual Editorial

Mark Summers KC is highly respected by peers for his general crime work as well as his extradition expertise. He frequently takes on pre-arrest and advisory work, in addition to appearing at trial on behalf of both the prosecution and defence.

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Strengths

Provided by Chambers

He is an industry expert on extradition.

Extradition respondent
UK-Bar

His legal knowledge is unparalleled across the board and he is a really compelling advocate.

Extradition respondent
UK-Bar

Mark has a superb intellect and encyclopedic knowledge. He is tactically excellent, and incredibly thorough and detailed.

Crime respondent
UK-Bar

He is an industry expert on extradition.

Extradition respondent
UK-Bar

His legal knowledge is unparalleled across the board and he is a really compelling advocate.

Extradition respondent
UK-Bar

Mark has a superb intellect and encyclopedic knowledge. He is tactically excellent, and incredibly thorough and detailed.

Crime respondent
UK-Bar

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Silks (KC)

All Circuits

Defamation/Privacy

Antony White KC

Star Individuals

Mark Summers KC

UK Bar Guide 2025

Extradition + 1 more ranking

About

Practice Areas

Professional Memberships

Publications

Chambers Review

UK-Bar

Extradition - London (Bar)

Individual Editorial

Crime - London (Bar)

Individual Editorial

Strengths

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Silks (KC)

All Circuits

London (Bar)

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