M: +61 418 482 717
T: +61 2 8241 5660
E: jmunstermann@mccullough.com.au

Recognised for Dispute Resolution
Chambers & Partners Asia-Pacific and Global

Recommended Lawyer
Dispute Resolution (Litigation)
Legal 500 Asia Pacific

Jason is a partner in the firm’s litigation and dispute resolution team, and is the head of our Sydney office.

He has over 20 years experience in commercial litigation and regulatory investigations and acts for some of Australia’s largest corporations and government entities operating across a broad range of industries, including the IT, telecommunications, property, resources, health, insolvency and financial services sectors. Jason’s clients include Commonwealth and New South Wales Government departments and agencies, publicly listed national and multi-national corporations and high net worth individuals.

Jason is valued by his clients for his management of large scale, “bet-the-farm” litigation and for his focus on quickly getting to the heart of the legal and commercial issues raised by such disputes. He is equally prized for his ability to efficiently deal with smaller disputes and effectively manage regulatory investigations and litigation, including corruption inquiries, Royal Commissions and investigations and proceedings brought by Australia’s key regulators. Recognising that risk is inherent in all disputes and investigations, Jason works closely with his clients to minimise exposure to those risks and deploy broader strategies aimed at resolving matters with expedition and efficiency.

Jason is an accredited mediator and a strong advocate for pursuing alternative forms of dispute resolution. In consultation with an esteemed former Judge, Jason has developed a highly flexible model for the resolution of disputes through the appointment of an independent legal expert. The model is a powerful tool in settlement discussions lends itself to a very quick, cost effective and principled way of resolving a wide variety of disputes.

Jason has been recognised as a Recommended Lawyer in Dispute Resolution in The Legal 500 Asia Pacific since 2015. He is a Recognised Lawyer in Dispute Resolution in Chambers Asia-Pacific and Chambers Global.

Read Jason’s latest publication:

 Overview of Australia’s Court system

 Overview of Australia’s regulatory framework

 Recovering a debt owed by an Australian company

 Service of a foreign originating process in Australia under the Hague Service Convention

Experience

Australia’s largest telecommunications company

Acting for Australia’s largest telecommunications company in relation to a wide variety of disputes and strategic matters, including disputes with multinational suppliers.

Commonwealth department

Acting for a Commonwealth department in relation to various class action proceedings.

Peak industry body

Acting for a peak industry body in relation to the recent Royal Commission into the Banking and Financial Services Industry.

Major Australian bank

Acting for a major Australian bank in relation to investigations and proceedings brought by ASIC in respect of the alleged manipulation of Australia’s Bank Bill Swap Rate (BBSW) and alleged AML/CTF breaches.

Commonwealth of Australia

Acting for the Commonwealth of Australia in successfully defending a claim for over $1.2billion for breach of contract.

Investigations by the ACCC

Advising clients in relation to investigations by the ACCC into alleged anti-competitive conduct, abuse of market power exclusionary practices and boycotting.