Supreme Court case information

Listed below are the substantive Supreme Court cases for the year along with appeals still to be determined or cases awaiting hearing. 

Information giving an overview of the case is included along with media releases and links to judgments being appealed when available.

All 2024 - 2014 Supreme Court cases dismissed or deemed to be dismissed where a notice of abandonment was received can be found here.

Transcripts for cases heard before the Supreme Court are included provided they are not suppressed. Transcripts from pre-trial hearings are not published until the final disposition of trial. These are unedited transcripts and they are not a formal record of the Court’s proceedings. The Ministry of Justice does not accept responsibility for the accuracy or completeness of any material and recommends that users exercise their own skill and care with respect to its use.

22 September 2026

Case information summary (as at 18 September 2026) –  Cases where leave granted (PDF, 112 KB)
Case information summary (as at 18 September 2026)  – Currently unavailable

All years

Case name
Peter William Mawhinney v Nags Head Horse Hotel Limited
Case number
SC 105/2013
Summary
Civil Appeal – Whether the Court of Appeal erred in determining that knowledge of a priority agreement between mortgagees was binding on all parties with that knowledge notwithstanding that the priorities had not been registered – Whether the Court of Appeal erred in determining that knowledge by an attorney amounts to knowledge on the part of a principal – Whether the Court of Appeal erred in upholding the High Court decision that the proceedings could be determined summarily – Whether the Court of Appeal failed to have proper regard to Westpac New Zealand Ltd v Clark [2008] NZCA 346 – Whether the Court of Appeal judgment is based on incorrect facts.[2013] NZCA 401  CA 28/2013
Result
A The application for leave to appeal is dismissed.
B The applicant is to pay to the respondent costs of $2,500.
14 November 2013.
Leave judgment - leave dismissed
MAWHINNEY v NAGS HEAD HORSE HOTEL LIMITED [2013] NZSC 120 [14 November 2013] (PDF, 52 KB)
Case name
Adrian James Leason, Peter Reginald Leo Murnane and Samuel Peter Frederick Land v The Attorney-General
Case number
SC 131/2013
Summary
Civil Appeal – Trespass – Whether the Court of Appeal erred in relation to its interpretation and application of the principle ex turpi causa non oritur actio – Whether the Court of Appeal erred by refusing to order a full trial in light of the assumed wrongful conduct given its obligations at international law – Whether the Court of Appeal erred in relation to its interpretation or application of defence of another and/or necessity – Whether the Court of Appeal erred in relation to the interpretation and application of the law governing admissibility of additional evidence on appeal.[2013] NZCA 509  CA 642/2011
Dates

Notice of abandonment being lodged, the application for leave to appeal is deemed to be dismissed.

5 February 2014.
Case name
Michael Peter Stiassny, Grant Robert Graham, Forestry Corporation of New Zealand Limited (in receivership), Citic New Zealand Limited (in receivership), CNI Forest Nominees Limited and Bank of New Zealand v Commissioner of Inland Revenue
Case number
SC 21/2012
Summary
Civil Appeal – Goods and services tax – Restitution – Recovery of a GST payment paid by the first appellants to the respondent in the mistaken belief that they were personally liable for the debt – Whether secured creditors own the proceedings of sale of assets that are subject to registered fixed charges at the time of sale, if they are sold for less than the secured debts to which the charges relate – Whether the first appellants were entitled to apply the proceeds of sale of the Central North Island Forestry Partnership (CNIFP) assets to the payment of GST amount, in priority to the claims of the secured creditors – Whether the GST payment was “ debtor-initiated” in terms of s 95 of the Personal Property Securities Act 1999 (PPSA) – Whether s 95 of the PPSA barred the recovery of the GST payment if it was made under a mistake – Whether the second and third appellants have a cause of action in restitution for the recovery of their mistaken payment – Whether the first appellants have a cause of action in restitution for the recovery of their mistaken payment – Whether the security trustees have a cause of action in restitution for the recovery of the mistaken payment made by the first appellants to the Commissioner of Inland Revenue –  Whether “good faith” is a pre-requisite for a defence of the provision of good consideration to the payer to a claim for the recovery of a payment made under a mistake – Whether the first appellants are entitled to recover GST payment pursuant to their tax challenge cause of action pursuant to the Tax Administration Act 1994.SC 775/2010   [2012] NZCA 93
Result

A  Leave to appeal is granted.

B  The approved grounds are:

(i)  whether the GST payment was a “ debtor-initiated payment” in terms of s 95 of the Personal Property Securities Act 1999 so as to confer priority to the Commissioner over any claim to those moneys by any respondent;

(ii)  whether any of the appellants can recover the amount of GST so paid from the Commissioner on the basis that it was paid by the receivers under a mistaken belief that they were personally liable to pay it or on any other basis.

8 May 2012

_____________________________

The appeal is dismissed.

The appellants are to pay the respondent’ s costs in this Court in the sum of $40,000 together with reasonable disbursements as fixed by the Registrar.

28 November 2012
Transcript

Hearing dates : 27 and 28 September 2012

McGrath, William Young, Chambers, Gault, Blanchard JJ.
Case name
Vincent Ross Siemer v Michael Peter Stiassny and Korda Mentha
Case number
SC 8/2011
Summary
Civil Appeal – Defamation – Injunctions – Whether High Court correct to strike out appellant’s application to vary/set aside injunction as abuse of process – Whether Court of Appeal properly addressed leave question of extension of time to file appeal –Whether Court of Appeal dealt with substantive issues not properly the subject of leave hearing.[2010] NZCA 607  CA 692/2010  14 December  2010
Leave judgment - leave dismissed
SIEMER v STIASSNY AND KORDA MENTHA SC 8/2011 [9 May 2011] (PDF, 9 KB)
Dates

The Application for leave to appeal is dismissed with costs of $2,500 to the respondents.

9 May 2011.
Case name
Liam James Reid v The Queen
Case number
SC 16/2011
Summary
Criminal appeal – application for leave to appeal out of time – possible fresh evidence.[2009] NZCA 281  CA 794/2008  7 July 2009
Leave judgment - leave dismissed
REID v R SC 16/2011 [28 February 2012] (PDF, 47 KB)
Dates
Application for leave to appeal dismissed.
28 February 2012.
Case name
Vincent Ross Siemer v Michael Peter Stiassny and others
Case number
SC 20/2011
Summary
Civil Appeal – Strike out application – Whether a cause of action can be struck out before any statement of defence has been filed and the plaintiff’s evidence contested – Judicial bias – Whether a Judge shows bias by requesting the defendant to carry out some action against the plaintiff in relation to a separate proceeding.[2011] NZCA 1  CA 718/2010
Leave judgment - leave dismissed
SIEMER v STIASSNY SC 20/2011 [20 April 2011] (PDF, 10 KB)
Dates

Application for leave to appeal dismissed, with costs $1500.00 plus disbursements to be fixed if necessary by the Registrar to the Attorney-General.

20 April 2011.
Case name
Jeremy James McGuire v Lee Grace Sheridan
Case number
SC 23/2011
Summary
Civil Appeal – Fees – Legal Services Act 2000 – Whether applicant entitled to payment of quantum meruit legal fees from respondent notwithstanding s 66 Legal Services Act – Whether respondent agreed to abandon legal aid grant in signing contingency-fee and fixed-fee agreements with respondent – Whether under s 66 permission must be sought from Legal Services Agency before suing for “top-up” of legal aid fees – Whether High Court summary judgment hearing unfair – Whether award of indemnity costs by High Court against applicant unwarranted.[2011] NZCA 15  CA 377/2010
Leave judgment - leave dismissed
MCGUIRE v SHERIDAN SC 23/2011 [13 April 2011] (PDF, 8 KB)
Dates

Application for leave to appeal dismissed. Costs $2,000 to the respondent.

13 April 2011
Case name
Jordan James Ataria v The Queen
Case number
SC 31/2011
Summary
Criminal Appeal – Sentencing – Whether the Judge was entitled to determine particular matters of fact at the sentencing stage, and whether there was sufficient evidence to support those findings of fact – Whether the appellant’s sentence should be reduced on account of an alleged disparity with the sentence imposed on certain other offenders in this case[2010] NZCA 559 CA 120/2010
Leave judgment - leave dismissed
ATARIA v R SC 31/2011 [17 June 2011] (PDF, 29 KB)
Dates
Application for leave to appeal dismissed.
17 June  2011.
Case name
Urs Peter Signer v The Queen
Case number
SC 36/2011
Summary
Criminal Appeal - Trial by Judge alone - whether the Court of Appeal erred in upholding the order made in the High Court under s 361D of the Crimes Act 1961 that the trial of the applicant proceed before a Judge alone[2011] NZCA 114  CA 872/2010
Result
A The application for leave to appeal is granted. B The approved ground is whether the High Court and Court of Appeal correctly interpreted and applied s 361D of the Crimes Act 1961 in directing that the applicants be tried for the offences charged under indictment (Number CRI 2007-085-7842) before a Judge without a jury.
6 May 2011
__________________
Appeal allowed by consent. Orders for trial by judge alone set aside.
14 September 2011
Leave judgment - leave granted
SIGNER and Others v R SC 36/2011 [6 May 2011] (PDF, 9 KB)
Substantive judgment
SIGNER and OTHERS v R SC 36, 37, 39, 40, 41, 43/2011 [16 September 2011] (PDF, 67 KB)
Transcript
Hearing date : 14 September 2011
Elias CJ, Blanchard, Tipping, McGrath, William Young JJ.
Case name
Peter Morrison Petryszick v The Queen
Case number
SC 47/2011
Summary
Criminal Appeal – s 385 of the Crimes Act 1961 – Whether the Court of Appeal, after an order by the Supreme Court to remit this appeal in Petryszick v R [2010] NZSC 105, [2011] 1 NZLR 153, denied the appellant an effective appeal against conviction on one count of assault using a motor vehicle as a weapon. [2011] NZCA 99  CA 269/2008
Leave judgment - leave dismissed
PETRYSZICK V R SC 47/2011 [30 June 2011] (PDF, 46 KB)
Dates

Application for leave to appeal dismissed.

30 June 2011.
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