John Crowley
John is a Senior Associate at Leigh Day, specialising in migrants' rights. He has acted in claims at every level, including in the Supreme Court case: A and B v Criminal Injuries Compensation Authority and Others [2021] UKSC 27. Recently he was the lead solicitor in the successful strategic challenge: R (HA and Ors) v SSHD [2023] EWHC 1876 (Admin), concerning the rights to support of destitute asylum seekers. He was also the lead solicitor in the successful strategic challenge R (on the Application of ABW) v Secretary of State for the Home Department [2025] EWHC 3280 (Admin) concerning the the rights of victims of trafficking. As a result of that challenge, the Home Secretary was forced to halt all “public order disqualification” decisions, benefiting hundreds.