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LLB (Hons)(1982); LLM (1985)(Canterbury); PhD (Otago)(2000)
Barrister and Solicitor of the High Court of New Zealand (1984)



Tel +64 3 479 8842
Office 9th Floor – 9N2


Competition Law, Contract Law, Law and the Sports Industry, and Law and Religion.

Research interests

Rex has research interests in competition law and policy, church-state relations, religious freedom, contract law, and sports law.

His books: Competition Law and Policy in New Zealand (Law Book Co, 1991); God and Government: The New Zealand Experience (Otago University Press, 2000) (with John Stenhouse); Law and Religion (Ashgate, 2000); Worlds Colliding: Conservative Christians and the Law (Ashgate, 2001) (Routledge, 2017); Shari'a in the West (Oxford University Press, 2010) (with Nicholas Aroney); Religious Freedom in the Liberal State (2nd edition, Oxford University Press, 2013) (with Ian Leigh); Research Handbook on Law and Religion (Edward Elgar, 2018); The Evolution of Competition Law in New Zealand (Oxford University Press, 2020).

Competion Law coverResearch Handbook coverstaff_books_religious_freedom




Rex Ahdar joined the Faculty in September 1985 as a Lecturer.

He has spent his research leave at: Boalt Hall School of Law, University of California at Berkeley (1991); TC Beirne School of Law, University of Queensland (1991); the Department of Private Law, University of Edinburgh (1998); Sydney University Law School and Emory University Law School (2005), National University of Samoa and Piula Theological College (2011); Faculty of Law, The Hebrew University of Jerusalem (2018).

Rex has published articles in journals such as: Oxford Journal of Legal Studies, Cambridge Law Journal, Modern Law Review, McGill Law Journal, Ratio Juris, Stanford Journal of Civil Rights & Civil Liberties, The Antitrust Bulletin, Journal of Contract Law, Lloyd's Maritime and Commercial Law Quarterly, Journal of Church and State, Oxford Journal of Law and Religion, Journal of Law, Religion and State, Rutgers Journal of Law & Religion, Utilities Law Review.

Honours include: Fulbright Senior Research Scholar at UC Berkeley, 1991; Visiting Professor at The Hebrew University of Jerusalem, 2018; Membership of the Editorial Board of the Australian Business Law Review,New Zealand Business Law Quarterly, Journal of Law, Religion and State, and the Journal of Church and State.

Selected publications available online

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