Patrick W Pearsall is the chair of Jenner & Block’s public international law practice. Patrick has decades of experience representing parties in complex international disputes and has arbitrated claims involving billions of dollars on behalf of sovereign states and private investors in both commercial arbitration and investment arbitration.
Before returning to private practice, Patrick was at the US Department of State from 2009 to 2017, where at his departure he was the Chief of Investment Arbitration. On behalf of the US, he advised on the revision of the International Court of Arbitration (ICC) rules and led the negotiations of several bilateral and multilateral treaties, including the investment provisions in the Trans-Pacific Partnership and the US-China bilateral investment treaty. Apart from his disputes practice, Patrick is recognised as one of the foremost experts on pre-dispute global investment protection and regularly advises both Fortune 100 companies and states.
Mr Pearsall has received several awards and has worked for both the ICC and the Honorable Sonia Sotomayor at the US Court of Appeals. He is an adjunct professor at Georgetown University Law Center, where he teaches courses on international courts and investment arbitration. Prior to this appointment, he taught at Columbia Law School, Harvard Law School and Yale Law School.
A member of several arbitral institutions, he is also an appointed member of the Hong Kong International Arbitration Centre’s List of Arbitrators.