Jenner & Block

Jason Yardley is a partner in the firm’s Complex Commercial Litigation and International Arbitration practices.  Based in London, he is a leading lawyer with more than two decades of international litigation and arbitration experience handling complex commercial disputes.

Mr. Yardley represents clients in a broad range of matters involving banking, finance, mining, energy, technology, media and telecommunications issues.  He has represented clients before all divisions of the English High Court, the Court of Appeal, the Supreme Court and the Privy Council.  He has also appeared in numerous overseas courts, as well as before institutional and ad hoc arbitration tribunals.

His practice encompasses claims relating to joint ventures and shareholder disputes, derivatives, fraud, contentious insolvency and breaches of contract, trust and fiduciary duties, for clients including banks, funds, companies in the oil, gas, energy and telecoms sectors, amongst others, and sovereign states.

Mr. Yardley has litigated large-scale disputes in Europe, North America, Africa and Asia and a number of offshore jurisdictions, with notable success in matters involving parties from Russia and the former CIS states.

The Legal 500, Chambers and Chambers UK have recognized Mr. Yardley for his dispute resolution practice, describing him as “without doubt one of the best,” a “tough litigator who is tenacious in his pursuit of opponents” and “an extremely clever and creative lawyer.” The Legal 500 UK named him a "leading individual" for Commercial Litigation in 2019, with clients noting he "provides excellent strategic thinking and excelleng knowledge of the detail."  The Legal 500 UK names him a “Leading Individual” for Commercial Litigation in 2020, with clients noting he “is a standout individual, who is extremely clever, hands on and creative.”

Before joining the firm in 2017, Mr. Yardley practiced for almost 17 years at White & Case in London. 

Jenner & Block London LLP is a limited liability partnership established under the laws of the state of Delaware, USA and is authorised and regulated by the Solicitors Regulation Authority with SRA number 615729. Jenner & Block London LLP is affiliated with Jenner & Block LLP, which operates Jenner & Block’s offices in the United States.