[4] He specialises in cross-border, commercial and chancery matters (including jurisdiction, enforcement of judgments and choice of law).
He has appeared in the Supreme Court and the Privy Council in a number of cases.
[5] He is the joint general editor of the private international law textbook, Dicey, Morris and Collins,.
[6][7] He is also the author of The Hague Trusts Convention[8] and co-author of International Sale of Goods in the Conflict of Laws.
[15] Jonathan Harris is a member of the Lord Chancellor's Advisory Committee on Private International Law.