Potter was called to the
bar in 1961 and practised in commercial law in the chambers of
Alan Orr QC then at 2, Crown Office Row, later relocated to become
Fountain Court Chambers. He
took silk in 1980. From 1988 to 1996 he was a judge of the
High Court of Justice, Queen's Bench Division and from 1991 to 1994 he was a Presiding Judge on the
Northern Circuit. Potter was appointed a
Lord Justice of Appeal in 1996 and became President of the Family Division in April 2005. Throughout his judicial career, Potter sat on various committees overseeing the direction of the Bar. He was Chairman of the Lord Chancellor's Advisory Committee on Legal Education and Conduct (1998–1999) and Chairman of the Legal Services Consultative Panel. Potter was elected Treasurer of
Gray's Inn for the year 2004/05. Potter retired as a judge of the Court of Appeal, President of the High Court Family Division and President of the Court of Protection in April 2010. He returned to the field of commercial Law as an arbitrator at Fountain Court chambers, with appointments in areas such as insurance, international share purchase agreements including Bermuda form and energy disputes. ==Cases and administration==