Jason has a broad commercial practice, with particular emphasis on shipping, insurance, aviation, commodities and all aspects of international trade. He regularly appears as sole or junior counsel in both court and arbitral proceedings.

Recent work includes an expedited Commercial Court trial on behalf of the Fortune 500 oil and gas conglomerate Apache Corporation: Apache Beryl Ltd v Marathon Oil UK LLC [2017] EWHC 2258 (Comm), [2017] EWHC 2462 (Comm), [2017] EWHC 2504 (Comm) (led by David Allen Q.C.); a €130m ICC arbitration arising out of the supply of steel plates for use in a subsea pipeline for the transportation of hydrocarbons from Russia to Europe (led by Stephen Hofmeyr Q.C., Julia Dias Q.C. and Andrew Wales Q.C.); and a two-week arbitral hearing concerning the non-delivery and specification of a luxury superyacht (led by David Allen Q.C.).

In July 2015, Jason spent three weeks in the shipping litigation department of a major city law firm where he assisted on a range of cases, including matters concerning LOF salvage, ship management agreements, cargo damage and brokerage commission.