Marwan has successfully represented clients in civil compensation disputes involving financial institutions, insurance companies, and government bodies. He pursues civil remedies in matters involving allegations of illicit activity, commercial wrongdoing, and professional misconduct. His litigation style reflects a deep understanding of institutional power and a strong commitment to defending clients facing disproportionate or unfair legal pressure.
2015–2017 – Counsel in habeas corpus applications, psychiatric committal proceedings, medical hospital committal, and fitness-to-stand-trial litigation for a vulnerable Iraqi refugee with double amputation, including humanitarian and compassionate arguments on appeal (Ontario Court of Justice & Superior Court of Justice).
2011–2013 – Counsel in habeas corpus proceedings and appellate litigation arising from a large-scale wiretap investigation involving multiple accused, including constitutional challenges and deportation-related consequences (Ontario Court of Justice & Superior Court of Justice).
2010–2011 – Counsel in extradition proceedings for co-accused facing U.S. grand jury indictments for wire fraud and mail fraud, including cross-border coordination with U.S. Public Defenders and submissions on duress and proportionality (Ontario Superior Court of Justice & U.S. Federal Court proceedings).
2008–2017 – Counsel in immigration-related litigation before the Immigration Board, representing individuals facing deportation arising from criminal convictions and public-interest considerations.