Arfan Khan has a high profile specialist appellate practice in Chancery, Commercial and Public law. He is instructed in exceptionally difficult appeals. He has led and argued landmark appeals in the Court of Appeal, the High Court, and in the UK Supreme Court. He appeared successfully as sole Counsel in Day v Haine  BCC 84, a landmark appeal where the Court of Appeal reversed the Court at first instance, holding that protective awards were provable debts in a company liquidation.
The Court of Appeal decision in Day v Haine paved the way for the UK Supreme Court decision in Re Nortel  UKSC, where the correctness of his approach in Day v Haine was confirmed. He was instructed on appeal to the Court of Appeal in a widely reported case concerning the gifted drawings of the late Francis Bacon. Recently, when leading a tax barrister, and a tax litigator on appeal to the Court of Appeal, he persuaded the Upper Tribunal to grant permission to appeal against its own decision on a point of law.
He has also appeared in landmark public law cases. In Wokuri v Kassam  Ch 80, he succeeded in contending that the diplomat was not entitled to immunity. He successfully led the intervention for 4A law in the Court of Appeal, and in the UKSC in Benkharbouche v Libya & Others  IRLR 123, where the UK Supreme Court upheld the Court of Appeal’s decision to set aside the State Immunity Act 1978, in order to give effect to certain claims falling within the material scope of EU law. He led in the Court of Appeal in Reyes v Al-Malki  ICR 42 and made written submissions in the UKSC.
He has also appeared successfully as lead or sole Counsel in other high profile cases raising free speech and national security issues such as Geert Wilders v SSHD  INLR 337 and Geller & Anor v SOS  All ER (D) 54. He appears in litigation against or for the government with appropriate security clearance. In 2009, Arfan Khan was named Times Lawyer of the Week.
Whilst the core of his practice is appeals, where he is increasingly instructed to lead, or appear as sole Counsel, he is frequently instructed as sole or lead Counsel in the High Court. These include trials, and interlocutory disputes, where the sums involved are substantial.
He regularly participates in the Bar Council’s outreach schemes to encourage social groups currently underrepresented at the Bar to consider a career at the Bar. He was a spokesperson for the Bar Council in a speech to the College of Law entitled “Changes to the Bar”.
Prior to commencing a career at the Bar, he was a part time tutor in Property Law at the University of Sheffield.