Simon Johnson




Simon specialises in large scale, complex commercial litigation with a particular focus on clients in the technology and financial services spaces. He has significant experience in running fraud, white collar crime, regulatory and investigations matters. Simon also advises clients on the contentious aspects of cyber and data security issues.

Simon is regularly called upon to address litigation issues at boardroom and senior management level, in addition to advising General Counsel. Simon acts for an array of blue-chip clients including eBay, Google, Hewlett Packard Enterprise, PayPal, Uber, Holcim Lafarge, Tokio Marine HCC, Bank of China and other major financial institutions. These clients seek out Simon for his deep understanding of their business and commercial drivers and ability to give strategic advice which often keeps his clients out of the courtroom.

Simon is a member of the International Bar Association and the Australian and New Zealand Sports Law Association.

Key deals


Acted for PayPal for many years in a range of contentious matters including urgent claims for injunctive relief. Most recently, advising PayPal’s Australian and US team in respect of the termination of one of its largest global merchant partners.

Dr Clark

Acted for an IVF practitioner in long-running litigation which ultimately proceeded to a full hearing in the High Court of Australia and resulted in a completely successful outcome in favour of the client. The High Court’s decision in Clark v Macourt is now a leading judgment on assessment of damages and mitigation principles.


Acted for eBay for over ten years in a range of contentious and investigative matters. Most recently, acted in long-running Supreme Court litigation alleging breach of fiduciary duty and fraud against a former senior executive of eBay and related entities.

Major Bank

Advising a major financial services entity in respect of a very large and complex data breach investigation and claim against a third party vendor.

Hewlett Packard group

Acted for various members of the Hewlett Packard group over many years in a range of contentious matters, including bringing and resisting applications for injunctions, litigation arising from outsourcing projects and various investigations matters.

Kordia Solutions

Acted for Kordia (a listed entity on the NZ Exchange) in a A$300 million plus dispute with Nokia Siemens Networks in relation to the services performed by Kordia for NSN on the Vodafone mobile network.