Senior Partner
Advocate, High Courts of Pakistan
Profile
Mr. Muhammad Arif Khan is a seasoned litigator and Senior Partner at Legum, with over two decades of distinguished experience in criminal defence, criminal prosecution, environmental law, anti-narcotics law, accountability, and anti-corruption matters. His legal career reflects a rare breadth of experience across Pakistan’s criminal justice system, shaped by key roles in both public service and private legal practice.
Mr. Khan served for nine years as a Judicial Member of the Sindh Environmental Protection Tribunal, where he presided over significant environmental litigation and regulatory enforcement proceedings. His tenure contributed to the development of environmental jurisprudence and compliance mechanisms in the province.
Before his judicial role, Mr. Khan was a Senior Public Prosecutor at the National Accountability Bureau (NAB), where he prosecuted complex white-collar crime and corruption cases across multiple jurisdictions. His work at NAB involved high-stakes trials concerning public accountability, asset recovery, and financial misconduct.
Earlier in his career, Mr. Khan served as a Panel Advocate for the Customs and Control of Narcotic Substances (CNS), where he represented the department in prosecuting narcotics and drug trafficking offences, gaining in-depth knowledge of Pakistan’s special criminal laws and procedures.
For more than a decade, Mr. Khan has also maintained an active criminal defence practice in the private sector. He has successfully defended clients in a wide range of high-profile, sensitive, and technically challenging criminal matters, including white-collar offences, narcotics prosecutions, and regulatory violations.
Known for his rigorous legal analysis, courtroom acumen, and unwavering professional integrity, Mr. Khan brings unparalleled insight to complex criminal and regulatory disputes. As a Senior Partner at Legum, he plays a key leadership role in the firm’s litigation and white-collar crime practice, providing strategic direction and advocacy in some of the most demanding legal matters in Pakistan.
Areas of Expertise
- Criminal Defence
- Accountability & Anti-Corruption Law
- White-Collar Crime & Financial Offences
- Environmental Law & Regulatory Litigation
- Anti-Narcotics Law
- Prosecution Strategy & Trial Advocacy
- Administrative & Regulatory Tribunals
- Constitutional & Criminal Writ Petitions
- High Court Appeals & Revisions
Public Service & Institutional Roles
- Former Judicial Member, Sindh Environmental Protection Tribunal
- Former Senior Public Prosecutor, National Accountability Bureau (NAB)
- Former Panel Advocate, Anti-Narcotics Force (ANF)
- Former Member of the Managing Committee, Karachi Bar Association
Court Admissions and Appearances
- Regular appearances before the High Courts, Accountability Courts, Intellectual property Tribunal, Banking Courts, Environmental Tribunal, and Special Courts
- Representation in complex and multi-jurisdictional civil and criminal trials and appeals
Memberships
- Enrolled on the Roll of the Sindh Bar Council
- Member, Karachi Bar Association
- Member, Sindh High Court Bar Association Karachi
- Member, Industrial Relations Advisors Association Karachi