Tim specialises in public law and judicial review, and their overlap with civil litigation and employment/health and safety.

Tim advises private clients on regulatory and statutory compliance and strategic engagement with government. He assists corporate entities, industry bodies and individuals to understand how they are impacted by government decision-making, and how to effectively challenge these decisions where necessary.

He also regularly advises central government, Crown entities and tertiary institutions on their administrative decision-making, statutory obligations, Treaty of Waitangi issues and policy development.

Tim advises and acts in relation to litigation in a range of contexts. He has appeared in the High Court, Court of Appeal and Employment Court, representing public and private clients in challenges to executive, parliamentary and judicial decision-making brought by way of judicial review, general and employment proceedings. He has also assisted with claims before the District Court, Human Rights Review Tribunal and Waitangi Tribunal, and with responding to Royal Commission and coronial inquiries.

Tim joined Simpson Grierson in 2020, having started his career as Judge’s Clerk to the Chief District Court Judge.

Work Highlights

Acting for New Zealand Defence Force in a successful judicial review, challenging a District Court decision relating to WorkSafe’s jurisdiction to lay a charge following the death of a soldier during training for counter terrorism response.

Acting for the Ministry of Health and Whaikaha - Ministry of Disabled People in respect of challenges to government disability funding policies in the Employment Court and Court of Appeal.

Acting for the Speaker of the House of Representatives in a judicial review proceeding relating to a trespass notice arising from the protest at Parliament in 2022.

Acting for Crown entities, Councils and incorporated societies against allegations of discrimination before the Human Rights Commission, Human Rights Review Tribunal and senior courts.

Advising an industry body on options for challenging immigration policy, securing a Ministerial decision to amend the Immigration Instructions.

Advising on the application of New Zealand’s Russia sanctions regime in the context of an international arbitration related to the construction of a nuclear power plant.

Advising various clients on their health and safety obligations, assisting with successful challenges to regulatory decision-making.

Advising a charity on the application of the Treaty of Waitangi / te Tiriti o Waitangi and tikanga Māori to alcohol licensing applications.

Advising public and private clients in respect of privacy obligations, Official Information Act requests, and Ombudsman complaints.

Areas of Expertise

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