• O’Connor as Litigation Guardian for C v Chief Executive Of The Ministry Of Vulnerable Children, Oranga Tamariki [2017] NZCA 617 – successful declaration under the Habeas Corpus Act, on appeal, that a young person was unlawfully detained by Oranga Tamariki in a secure facility.
• Surrey v Surrey [2008] NZCA 565 – first substantive Court of Appeal hearing under the Domestic Violence Act 1995, the leading case on necessity relating to both Domestic Violence and Care of Children Acts;
• Biddle v Pooley [2017] NZHC 338 – High Court case, successfully argued against an application to disinter a deceased and retain taonga within the whanau. Lead (including expert evidence) and cross-examined on evidence as to relevant tikanga;
• Riches v Police [2017] NZHC 2035 – authority for proposition that the starting point for non-commercial cultivation is a fine.