He took silk in 1976 and thereafter his practice as an advocate broadened, and he appeared regularly before the Commercial Court in London and the Court of Appeal, and in a number of reported cases in the House of Lords and before the Judicial Committee of the Privy Council. He also appeared as advocate in Courts in Hong Kong, Singapore and Bermuda, and in arbitrations.
In 1997, at the age of 60, and having decided not to pursue a full-time judicial career, he retired from practice at the Bar and became a full-time arbitrator and occasional mediator. Since that time, he has sat as an arbitrator in England, Bermuda, the USA, Hong Kong, Singapore, Malaysia and most of the countries in Western Europe in hundreds of cases, both ad hoc and under the auspices of international arbitral institutions such as the ICC, LCIA, ICSID and the Stockholm Chamber of Commerce. Kenneth Rokison accepts appointments as sole arbitrator, party-appointed arbitrator and as chairman.
He is a former Recorder of the Crown Court, Deputy High Court Judge sitting in the Commercial Court in London and judge of the Court of Appeal Jersey and Guernsey. Kenneth Rokison is a retired Master of the Bench of Gray's Inn; a Fellow of the Chartered Institute of Arbitrators (formerly a co-opted member of Council and chairman of its "Arbitration" sub-committee); and a CEDR accredited mediator. He is a former Vice President and member of the Court of the LCIA, and a former member of its Board of Directors (having served as chairman from 1995-1998). He was a member of the Departmental Advisory Committee appointed by the DTI to consider reform to the arbitration laws of England and Wales, which led to the Arbitration Bill and the Arbitration Act 1996. He is a full member of the London Maritime Arbitrators Association.