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Oliver Mao


Oliver’s practice currently focuses on temporary residence applications for corporate clients and individuals, permanent residence applications, and citizenship applications. His previous immigration law experience encompasses a diverse range of matters including Judicial Review applications, sponsorship and removal order appeals, Labour Market Impact Assessments and compliance reviews, Intra-Company Transfers, permanent residence applications, provincial nominee applications, work and study permits, as well as NAFTA-based permits and L-visas to the US.

Oliver holds a Combined Honours Bachelor of Arts and Science and Psychology Degree from McMaster University’s Arts and Science Program, and a Juris Doctor (JD) from the University of Toronto.

Work history

November 2017 – Present: Associate, BartLAW Canadian Immigration

June 2016 – June 2017: Associate, Borders Law Firm

August 2015 – June 2016: Articling Student, Borders Law Firm


2008-2012: Combined Honours Bachelor of Arts and Science and Psychology, McMaster University

2012-2015: Juris Doctor, University of Toronto


Jacqueline Rose Bart and Oliver Mao, “With NAFTA’s future uncertain, CETA poised to step up for business travellers”, The Lawyers Daily (19 December 2017), online: <>.


Jacqueline Rose Bart and Oliver Mao, “Trade in Services: Legal Comparison of CETA to NAFTA”, ABA SIL Immigration and Nationality Law News (Winter 2017/2018) 2.


Jacqueline Bart and Oliver Mao, “Labour market impact assessments: Going high or low”, The Lawyers Daily (4 January 2019), online: <>.


Jacqueline Bart and Oliver Mao, “CETA’s one-year immigration mobility report card”, The Lawyers Daily (5 November 2018), online: <>.


Jacqueline Bart and Oliver Mao, “Dual Representation and Conflicts of Interest in Immigration: What Multi-Disciplinary Practices Need to Know”, OBA Citizenship and Immigration Law Section Insider (5 November 2018), online: <>.