Ari Katsoulas
Barrister
Ari specialises in Commercial, Equity and Insurance disputes and litigation. He has particular experience in Succession related disputes including Family Provision claims.
He regularly appears as an advocate in most State and Federal Courts and Tribunals as well as at mediations and settlement conferences.
Prior to being called to the Bar, Ari worked in the corporate and commercial legal team at a top-tier advisory firm, providing expert advice in relation to corporations, commercial contracts, due diligence, venture capital and private equity, effective structuring advice, trusts and investment funds and self-managed superannuation funds.
As Counsel, Ari continues in an advisory role with innovative start-ups and early stage ventures, particularly in the mobile technology sector. He has also previously worked in commercial roles in Shanghai, Hong Kong, the United Kingdom and Europe.
Ari holds a Bachelor of Laws and a Bachelor of Arts from Macquarie University.
Admissions
Admitted to the Bar (New South Wales): 2014
Areas of Practice
Bankruptcy & Personal Insolvency
Commercial & Contract Law
Corporation Law & Insolvency
Equity & Trusts
Family Provision Claims
Intellectual Property, Media & Internet Law
Insurance Law
Mortgage & Finance Law
Property Law
Succession, Will & Estates
Professional Memberships
Member, New South Wales Bar Association
Committee Member, New South Wales Young Lawyers Civil Litigation
Committee Member, New South Wales Young Lawyers Communications, Entertainment & Technology Law
JADE Expert Panel, Consumer Protection Law
Select Cases
Published judgments include:
- Spata v Tumino (2018) 95 NSWLR 706 – (led by J Armfield) Successful Respondent in the New South Wales Court of Appeal – dependency in family provision claims.
- Chapman v South Eastern Sydney Local Health District (2018) 98 NSWLR 208 – Personal Property Rights in Human Tissue
- In the matter of Beechworth Land Estates Pty Ltd (in liquidation) and Griffith Estates Pty Ltd (in liquidation) [2018] NSWSC 1703 – Declarations of Trust – Replacement of Trustees
- In the matter of Selin Australia Pty Limited [2016] NSWSC 1908 – Application to set aside Statutory Demand
- In the matter of HCAFE Chatswood Pty Ltd [2017] NSWSC 1828 – Appointment of Provisional Liquidator in Shareholder Oppression Case
- Perpetual Trustee Company Ltd v Ankat Investment Pty Ltd [2019] NSWSC 829 – Payment of Funds out of Court to Equitable Mortgagee/Chargee
- Mandile v Smith [2016] NSWSC 1621 – Redemption of Mortgage
- Gonzales v State Coroner of New South Wales [2018] NSWSC 153 – Urgent Relief -Personal Property Rights in Human Tissue
- Glenella One Pty Limited v Duncan [2015] NSWSC 165 – (led by G McGrath SC) Cross vesting Application from Supreme Court to Family Court
- Lord v McMahon [2015] NSWSC 1619 – (led by C Vindin) Proprietary Estoppel and Encroachment of Building Act
Speaking Engagements
- Discrimination, Harassment and Professional Responsibility Paper delivered at The Tilbury Group Legal Seminar, 2015
- Family Provisions Claims in New South Wales: An Overview Paper delivered to the Langham Legal Seminar, June 2015
- Preliminary Discovery for Online Piracy: Dallas Buyers Club LLC v iiNet Limited [2015] FCA 317 (2015) Paper delivered to the Langham Legal Seminar, April 2015
- Additional Damages for Infringement – Section 126(2) of the Trade Marks Act 1995 (Cth) Paper delivered to the Langham Legal Seminar, April 2015
+61 2 8915 2006
+61 2 9223 4204
akatsoulas@wentworthchambers.com.au

Ari Katsoulas
Barrister
Ari specialises in Commercial, Equity and Insurance disputes and litigation. He has particular experience in Succession related disputes including Family Provision claims.
He regularly appears as an advocate in most State and Federal Courts and Tribunals as well as at mediations and settlement conferences.
Prior to being called to the Bar, Ari worked in the corporate and commercial legal team at a top-tier advisory firm, providing expert advice in relation to corporations, commercial contracts, due diligence, venture capital and private equity, effective structuring advice, trusts and investment funds and self-managed superannuation funds.
As Counsel, Ari continues in an advisory role with innovative start-ups and early stage ventures, particularly in the mobile technology sector. He has also previously worked in commercial roles in Shanghai, Hong Kong, the United Kingdom and Europe.
Ari holds a Bachelor of Laws and a Bachelor of Arts from Macquarie University.
Admissions
Admitted to the Bar (New South Wales): 2014
Areas of Practice
Bankruptcy & Personal Insolvency
Commercial & Contract Law
Corporation Law & Insolvency
Equity & Trusts
Family Provision Claims
Intellectual Property, Media & Internet Law
Insurance Law
Mortgage & Finance Law
Property Law
Succession, Will & Estates
Professional Memberships
Member, New South Wales Bar Association
Committee Member, New South Wales Young Lawyers Civil Litigation
Committee Member, New South Wales Young Lawyers Communications, Entertainment & Technology Law
JADE Expert Panel, Consumer Protection Law
Select Cases
Published judgments include:
- Spata v Tumino (2018) 95 NSWLR 706 – (led by J Armfield) Successful Respondent in the New South Wales Court of Appeal – dependency in family provision claims.
- Chapman v South Eastern Sydney Local Health District (2018) 98 NSWLR 208 – Personal Property Rights in Human Tissue
- In the matter of Beechworth Land Estates Pty Ltd (in liquidation) and Griffith Estates Pty Ltd (in liquidation) [2018] NSWSC 1703 – Declarations of Trust – Replacement of Trustees
- In the matter of Selin Australia Pty Limited [2016] NSWSC 1908 – Application to set aside Statutory Demand
- In the matter of HCAFE Chatswood Pty Ltd [2017] NSWSC 1828 – Appointment of Provisional Liquidator in Shareholder Oppression Case
- Perpetual Trustee Company Ltd v Ankat Investment Pty Ltd [2019] NSWSC 829 – Payment of Funds out of Court to Equitable Mortgagee/Chargee
- Mandile v Smith [2016] NSWSC 1621 – Redemption of Mortgage
- Gonzales v State Coroner of New South Wales [2018] NSWSC 153 – Urgent Relief -Personal Property Rights in Human Tissue
- Glenella One Pty Limited v Duncan [2015] NSWSC 165 – (led by G McGrath SC) Cross vesting Application from Supreme Court to Family Court
- Lord v McMahon [2015] NSWSC 1619 – (led by C Vindin) Proprietary Estoppel and Encroachment of Building Act
Speaking Engagements
- Discrimination, Harassment and Professional Responsibility Paper delivered at The Tilbury Group Legal Seminar, 2015
- Family Provisions Claims in New South Wales: An Overview Paper delivered to the Langham Legal Seminar, June 2015
- Preliminary Discovery for Online Piracy: Dallas Buyers Club LLC v iiNet Limited [2015] FCA 317 (2015) Paper delivered to the Langham Legal Seminar, April 2015
- Additional Damages for Infringement – Section 126(2) of the Trade Marks Act 1995 (Cth) Paper delivered to the Langham Legal Seminar, April 2015
+61 2 8915 2006
+61 2 9223 4204
akatsoulas@wentworthchambers.com.au