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John Emmerig is one of Australia's leading litigation lawyers. He has 30+ years' experience and a national reputation for handling high-stakes domestic and cross-border litigation for prominent multinationals and major Australian companies. His key focus areas are class action defense, "bet-the-company" level corporate/commercial disputes, and government/regulator actions and investigations.

Clients describe John as "profoundly experienced" and "an exceptional lawyer with a great intellect and impeccable judgment," noting "his technical excellence combined with his pragmatic, thoughtful and strategic lens puts him in a league of his own," and that he provides "a quality of legal service that is second to none."

John has acted in scores of major corporate and government disputes, and he is routinely involved in some of the largest and most complex commercial cases conducted in Australia superior courts. He has advised on 35+ filed/threatened class actions, 20+ Royal Commissions/Statutory Commissions/Parliamentary inquiries, and has decades of experience as a trusted adviser to companies/boards/C-suites on investigations and enforcement actions by key Australian regulators (e.g. ASIC, ACCC, AUSTRAC, APRA).

John is co-Chair of the Class Actions Committee of the Law Council of Australia and lead author of the "Class Actions" section of the Federal Court Practice Manual. He is a member of the Federal Court of Australia's Consultation/Liaison Committee on Class Actions, the ASIC's Enforcement and Regulatory Litigation Consultation Group, AMCHAM's Defence and National Security Committee, and the Editorial Board of the Journal of Equity. He co-Chairs the Law Council's Transnational Litigation Committee. John was appointed an Adjunct Professor of Law in 2018 and is a Fellow of the Australian Academy of Law.


  • Bank of Queensland seeks counsel in Banking Royal Commission inquiryJones Day acted for Bank of Queensland Limited and its subsidiaries in the Royal Commission into Misconduct in the Banking, Superannuation and Financial Services Industry.
  • PAG invests in Key Safety Systems to finance acquisition of global assets of Takata CorporationJones Day represented PAG Asia Capital Ltd. and PAG Asia II LP in connection with its investment in Key Safety Systems, a subsidiary of China-based Ningbo Joyson Electronic Corporation, to finance the acquisition of substantially all of the global assets of Takata Corporation out of bankruptcy in the U.S. and Japan and certain non-bankruptcy transactions elsewhere in the world.
  • Former CEO defends Australian corporate regulator claimJones Day is acting for the former CEO of a metals and mining company in defending proceedings brought by the corporate regulator, the Australian Securities and Investments Commission ("ASIC"), in the Federal Court of Australia.
  • Lowe's exits from Masters Home Improvement joint venture with Woolworths in AustraliaJones Day provided strategic advice and assisted Lowe's Companies, Inc. with various aspects of its exit from a joint venture with Woolworths Limited, with respect to the Masters hardware and home improvement retail business established by the joint venture in Australia and New Zealand.