Dispute resolution

JWS is uniquely placed as a Top Tier Dispute Resolution Practice in Australia, handling the largest and most complex litigation across regulatory prosecutions, insolvency, plaintiff and defendant class actions, corporate, commercial and competition and tax disputes. 

There are few firms that can now match JWS across the size, scale and sophistication of its dispute resolution work. No firm of a comparable size has a similar practice. Our partners’ hands on involvement, and our drive and determination to succeed in the cases we conduct in the most cost effective and efficient matter, have seen more and more clients choose JWS for the big ticket claims and defences.

We are renowned for our DR experience and expertise across the spectrum of class actions, insolvency, regulatory claims, corporate, commercial, competition and tax disputes and civil and criminal regulatory investigations and prosecutions for companies, directors and senior executives. We are unique in the market place, combining top-tier capabilities with a service model that promotes the hands-on involvement of our senior lawyers.

We also have considerable expertise in acting for litigation funders who drive class action litigation in Australia. This experience provides us with invaluable insights into the judgment calls made for both plaintiffs and defendants in the conduct of complex claims. Our clients obtain commercially attractive results based on our savvy, strategic and non-process driven advice.

We provide a compelling offer of outstanding litigation services. Our independence and relative conflict-free positioning enables us to pursue plaintiff-based litigation, as well as defendant work.  Our focus on providing strategic advice to Australian funds on class actions puts us in a unique position to prosecute their claims.

We are dedicated to the causes we fight, and to achieving the best case scenario for our valued clients.

Our team acts in disputes across the following areas:


Corporate & Commercial Disputes

State of Victoria

Successfully represented the State of Victoria in two significant disputes with Tabcorp Holdings Ltd and Tatts Group Ltd over compensation following the expiration of their gaming licenses in 2012.

Lighthouse Corporation Pty Ltd

Secured a significant jurisdictional win for Lighthouse Corporation against East Timor over a $320M oil contract dispute allowing the claims to be decided in Australia.


Acted for ASC AWD Shipbuilder Pty Limited (the Australian Submarine Corporation) in disputes with Donau Pty Ltd over the construction of the Australian Warfare Destroyer.

Origin Energy

Acting for Origin Energy/Australian Pacific LNG Pty Ltd against C3 IoT International, Inc around damages and breach of IT contracts relating to complex oil fracking operations.

WSP Australia

Acting for WSP Australia in proceedings against Transurban and Thiess John Holland over the construction of the Lane Cove Tunnel.

Horizon Power

Acted for Horizon Power multi-party proceedings in Supreme Court of Western Australia concerning the Karratha component the Pilbara Underground Power Project.



Dispute Resolution Team of the Year
Lawyers Weekly Australian Law Awards 2020
Paul Reidy and Robert Johnston are ranked as leading lawyers in Dispute Resolution.
Chambers Asia Pacific, 2018-2020
Ranked as Band 3 in Dispute resolution law.
Chambers Asia-Pacific, 2020
Ranked as Band 3 in Dispute Resolution - Class actions (Plaintiff) law.
Chambers Asia-Pacific, 2020
Johnson Winter & Slattery is taking the lead on some of the most complex class actions before the court – on both plaintiff and defence side.
Lawyerly Class Action Powerhouses, 2019
Johnson Winter & Slattery's Dispute Resolution Practice is ranked in Band 1.
Asia Pacific Legal 500, 2019
Frances Dreyer is 'truly outstanding'.
Asia Pacific Legal 500, 2019
Johnson Winter & Slattery's Dispute Resolution (class actions) practice is ranked in Band 4.
Asia Pacific Legal 500, 2019
Paul Reidy is 'savvy, strategic and has client skills of the highest calibre'.
Asia Pacific Legal 500, 2019
Chris Connor, Will Coulthard, Susan Doherty, Tom Jarvis, Robert Johnston, John Powell, Paul Reidy, Roxanne Smith, Toni Vozzo and Robert Wyld are listed as leading lawyers in Litigation.
Best Lawyers Australia, 2019
Tom Jarvis, Sam Johnson, Tony Johnson, John Powell, Paul Reidy, Ben Renfrey and Toni Vozzo are listed as leading lawyers in Alternative Dispute Resolution.
Best Lawyers Australia, 2019
Robert Johnston is listed as a leading lawyer in Class Action Litigation.
Best Lawyers Australia, 2019
Paul Reidy is recognised as a Leading Individual in Dispute Resolution.
Asia Pacific Legal 500, 2018
Paul Buitendag, Aldo Nicotra, Tony Johnson, Joseph Scarcella, Robert Johnston, Tom Jarvis, Ben Renfrey and Chris Connor are recommended in Dispute Resolution Law.
Asia Pacific Legal 500, 2018
Johnson Winter & Slattery's Dispute Resolution practice is ranked in Tier 2.
Asia Pacific Legal 500, 2018
The JWS team wins praise for its "clear, effective and well-directed communication and advice".
Asia Pacific Legal 500, 2017
Robert Johnston is described as "good in the class action space and right across it."
Chambers Asia-Pacific, 2020
Paul Reidy is respected by market sources as a "good, hard negotiator".
Chambers Asia-Pacific, 2020
The "go-to guys for the difficult stuff".
Chambers Asia Pacific, 2018
Paul Reidy … enjoys widespread recognition as a "very good" and "well regarded" disputes lawyer with an especially notable profile for the handling of sensitive regulatory issues.
Chambers Asia Pacific, 2018
Robert Johnston "really looks after his clients" and "the level of personal service is outstanding."
Chambers Asia Pacific, 2018
"Readily accessible depth of experience and advice, with a specialist in any area where you need advice."
Chambers Asia Pacific, 2017
"Many of the associates are very promising practitioners – junior litigators who will make their mark in due time."
Chambers Asia Pacific, 2017
"Bringing relevant expertise to the table in a very cohesive manner."
Chambers Asia Pacific, 2017
Paul Reidy is "very well regarded in the commercial litigation space," and sources characterise him as "strategically strong and clever" and "extremely responsive."
Chambers Asia Pacific, 2016
"A good team - and a good team effort - for a large piece of litigation."
Chambers Asia Pacific, 2016
(JWS) provides national coverage of contentious issues, particularly for clients from the energy and natural resources and media sectors. Also active on disputes involving competition law, and in funded litigation and class actions.
Chambers Asia Pacific, 2015
"Niche performers at the highest level: what they do, they do superbly."
Chambers Asia Pacific, 2015

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