Matt Sumpter Matt Sumpter

Matt Sumpter

Partner, Chapman Tripp Patents Director

Litigation & dispute resolution
Intellectual property

Matt is an experienced litigator focused on commercial dispute resolution, investigations and white collar criminal matters. He is a widely respected expert in trade practice law and intellectual property where he advises multinationals and the country’s leading companies on their most pressing matters.

He is the author of New Zealand's principal antitrust textbook, New Zealand Competition Law and Policy, and writes for a range of common law-based legal journals. 

Matt is recognised as a leading individual in competition law and in the Hall of Fame for intellectual property by Legal 500 Asia Pacific 2024, a Leading Lawyer by Chambers Asia Pacific 2024, and a Global Leader providing IP value creation expertise by IAM, the world’s leading IP business media platform. He has also been recognised as a Trademark Star by Managing IP 2022.

Matt also is a Director of Chapman Tripp Patents.

Recent highlights

  • 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.

Matt's insights

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Two new attorneys for Chapman Tripp Patents

We are delighted to announce that two new patent experts have joined our rapidly growing practice, Chapman Tripp Patents. We welcome Senior Associate, Toby Larsson Hogman and Patent Attorney, Hossein Mehrabi.

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Expanding our patent-attorney service offer

We are celebrating another milestone in the growth of our specialist patent-attorney firm, Chapman Tripp Patents (CT Patents), with the appointment of a new senior patent attorney.

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Chapman Tripp launch new patent attorney practice

Chapman Tripp Patents, launched today, extends our market-leading intellectual property practice which provides copyright, trade mark, industrial design, commercialisation and litigation support to a blue chip client base.

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Advising Sky on Lightbox deal

We advised Sky on its purchase of Lightbox, Spark’s streaming TV service.

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Managing IP New Zealand Contentious Firm of the Year

​Chapman Tripp has won the New Zealand Contentious Firm of the Year Award 2019 at the Managing IP Asia-Pacific Awards.

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Others in the team

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