Tiana Ritchie

BA, LLB (Hons, First Class), Senior Associate

Tiana is a senior associate in our national Dispute Resolution Team.  Tiana has appeared in the Maori Land Court, District Court, High Court and Court of Appeal in a wide range of matters.  She specialises in all commercial litigation with a particular interest in trusts & estates, negligence, insolvency, judicial review and Maori Law.  Tiana also has a particular interest in construction law and acts for clients in a variety of construction disputes. 
Tiana graduated with a Bachelor of Laws with First Class Honours and a Bachelor of Arts in Māori and Indigenous Studies from the University of Canterbury.
"I enjoy tackling difficult, and often novel, legal issues with the support and guidance of our strong litigation team."

Recent Projects

  • Appearing as lead counsel in the Maori Land Court opposing an application for succession with disputes as to the interpretation of the will.

  • Appearing in both the IPONZ Office and the High Court in respect of a trademark dispute.

  • Acting for individuals defending an application by the liquidators of Ross Asset Management Limited to claw back funds paid out to investors.

  • Acting for a large North Island Iwi making a fiduciary claim in excess of $50 million against the Crown.

  • Acting for a Regional Council in respect of an application to judicially review that council’s bylaws and successfully obtaining an order for security for costs.

  • Appearing and delivering submissions in the Court of Appeal on a Family Protection Act 1955 dispute regarding a $10 million estate.

  • Acting for and advising two large regional councils in respect of the numerous applications of different Iwi under the Takutai Moana Act to obtain rights to coastal and marine regions in the South Island.

  • Acting for the trustees of a Trust over five years and regularly advising the trustees as to the interpretation of the complex 70 page Trust Deed.

  • Acting for a valuation company in a negligence dispute arising our of earthquake damage to a large port in a claim worth $170 million.

Reported Decisions

  • Pharmazen Ltd v Anagenix IP Ltd [2019] NZHC 1520

  • Talbot v Talbot [2017] NZCA 507

  • YYK Ltd v Monkey Business Ltd [2017] NZHC 1112
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