Jack Pembroke-Birss is a commercial litigation lawyer based in Sydney, described by clients as providing “excellent, commercial advice that is aligned to their outcomes.”

Jack's experience spans large and complex commercial and consumer disputes, class actions, appeals, property and commercial leasing disputes, defamation, and shareholder and joint venture disputes. He regularly advises on discrete and technical areas of the law from trust disputes, confidentiality regimes, statutory interpretation, contract administration and advising boards of publicly listed companies.

Jack's strong technical approach to the law is demonstrated by his appointment as an Adjunct Senior Lecturer at The University of Sydney Law School teaching in the areas of contract, commercial, property and consumer law.

Clients say that Jack is "easy to work with and explains concepts and issues in a clear and simple way" and "is very pragmatic and commercial in his approach."

Jack acts for clients in all industries and sectors with a focus on consumer markets, infrastructure and financial services.

Jack is recognised as a Stand-Out Lawyer 2024 by Thomson Reuters and by the Legal 500 for dispute resolution, with a client commenting that: “Jack should be called out specifically for his dedication to clients and business interests. Nothing was too much trouble for Jack – he was always there for us both in support and advice; a very good legal mind and a pleasure to work with.” The Legal 500 (2020).