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Helene Tretheway



+61 2 4911 5457

Helene has practised in the insurance law sector for the entirety of her legal career, primarily in the areas of public liability and personal injury. She has also had experience in compulsory third party matters and ‘residual jurisdiction’ workers compensation claims.

More recently, Helene has been involved primarily in compulsory third party matters, and has in-depth experience with claims brought under both the Motor Accident Compensation Act 1999 (MACA) and the Motor Accident Injuries Act 2017 (MAIA).

Experience & Expertise

Helene has wide-ranging experience in handling litigated and non-litigated matters.

Helene has worked for a number of insurers, with her practice currently focused upon compulsory third-party matters. Helene has experience across both MACA and MAIA. Those matters have extended to complex matters involving liability disputes, issues of indemnity, catastrophic claims, and fraudulent matters. Helene also has had involvement in a number of judicial review proceedings in the Supreme Court.

She has also had the benefit of secondment in the past, working exclusively with claims brought under MAIA. Accordingly, Helene has a strong working knowledge of the new legislative scheme.

She also managed a significant number of public liability claims involving various Australian insurance agencies and NSW and local government bodies, and frequently appeared in various NSW courts, particularly the District and Supreme Courts. She has also acted in claims launched in line with the provisions of the Australian Consumer Law and associated legislation.

Helene has extensive experience with MAIA matters, and currently handles a number of damages claims involving complex liability disputes, catastrophic injuries and relevant insurer issues.

Helene has also had exposure to a number of Merit Review matters, Medical Assessment matters and Miscellaneous Assessment matters.

She also has a working knowledge of the new PIC, and has been involved in various training relevant to the introduction of the new Commission.


Helene has been involved in a number of judicial review proceedings in the Supreme Court, including decision such as IAG Ltd t/as NRMA Insurance v Chahoud [2019] NSWSC 767, Insurance Australia Limited t/as NRMA Insurance v Warren [2019] NSWSC 1126, and most recently QBE Insurance (Australia) Limited v Shah [2021] NSWSC 288.


Helene is known for her approachability, and willingness to assist. She often involved in in-house and external training, particularly in respect of the constant changes and updates facing CTP claims in the MAIA sphere. 



  • Bachelor of Laws, 2011, University of Newcastle
  • Bachelor of Arts (Hons), 2009, University of Newcastle


  • Law Society of New South Wales
  • Newcastle Law Society
  • Business Hunter
  • Women in Insurance NSW