Matt Sumpter Email & Phone Number

I'm a senior litigation partner at Chapman Tripp, New Zealand’s leading law firm and specialise in competition law, intellectual property, commercial litigation, investigations and corporate criminal matters. I am recommended by Chambers Global as a leading New Zealand lawyer and authored New Zealand's principal antitrust textbook, New Zealand Competition Law and Policy.I am also a Director of Chapman Tripp Patents, a new service offering for the firm, launched in March 2021.Some of my recent experience includes:- Acting for six major Hollywood studios securing ex parte civil search orders, asset freezing orders and interim injunctive relief that took down one of the world's largest online piracy operations.- Appearing for ANZ Bank in successful Supreme Court litigation over the sale of financial derivatives.- Advising Facebook on the Royal Commission of Inquiry into the attack on Christchurch Mosques.- Acting for clients on financial market behaviour, cartel and trade practice investigations and prosecutions.- Successfully defending clients such as global tobacco firm, Philip Morris, on criminal charges advanced at trial in the District Court.- Acting as counsel to clients including LG Display, Allegion and Fisher & Paykel Healthcare on complex patent litigation in the High Court and Court of Appeal.- Securing Commerce Commission approval for clients including Sky Television, NZME and Ingenico, among many others, on high-profile mergers and joint venture arrangements.- Advising Allegion, a US global industrial company, successfully defending it in a long High Court trial of patent infringement allegations brought by Swedish multinational, Assa Abloy, I am also a member of the Legal Research Foundation Council and the competition law editor of the New Zealand Law Review. Before moving to full-time private practice, I taught various courses, including competition law, at undergraduate and post-graduate level at the University of Auckland’s School of Law for 12 years.

Listed skills include Intellectual Property, Competition Law, Corporate Law, Commercial Litigation, and 5 others.

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  Partner

  Chapman Tripp

  Feb 1998 - Present - Auckland