Jonathan specialises in public sector litigation. He has advised both Claimants and Defendants in judicial review proceedings and statutory challenges in the Administrative Court, including defending public sector bodies on claims concerning procurement, housing benefit, planning and the exercise of statutory powers. His procurement work also includes disputes under the Public Contract Regulations. In addition, Jonathan advises on contract and defamation related disputes and claims for compensation in the Lands Chamber following compulsory acquisition. He has also advised in relation to disciplinary and regulatory action of sports governing bodies.