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Areas of Expertise

John began his legal career with Bartier Perry & Purcell in the 1960s before leaving to co-found Hegarty & Elmgreen, a boutique commercial property and commercial litigation law firm. He merged this practice back into Bartier Perry in 2013, bringing many longstanding clients with him including major property developers.

John has wide experience over a long period in a number of areas of practice, particularly negotiating and finalising complex commercial property transactions. He combines a deep knowledge of property and planning law with a practical “can do” approach - something necessary in his field of expertise.


What John’s clients say

“John has a knack of promptly identifying a problem, almost before it emerges, and finding a constructive solution to it and keeping the transaction on track.” - A satisfied client



  • Bachelor of Laws (University of Sydney)

  • Solicitor of the Supreme Court of NSW

  • Member of the Law Society of NSW


A word from John

"I continue to enjoy the mixture of law and commerce in achieving the most desirable outcome for my clients and value the confidence they have shown in me over our long/client relationship."


Career highlights

  • Advising on the development of 163 Castlereagh Street, Sydney (ANZ Tower Building). Involved from the project inception to finalisation, including advising on site acquisition (which involved multiple purchases), the development process and negotiating long-term leases to major tenants. It also included advising on the subsequent on-sale of the total project on completion.

  • Acting as lead lawyer in a complex and major undertaking for the redevelopment of a large site near Sydney Airport. This included advising on relocating and constructing a Championship Golf Course, parklands and recreational facilities, as well as a significant commercial and residential development.

  • Negotiating the acquisition from various government bodies and private owners of a large tract of land near central Sydney for remediation and redevelopment as an office park.

  • Advising on a licensing agreement from an inventor to an international company for the marketing and exploitation of the invention.

  • Acting as general counsel to a number of high net worth individuals on their family and business transactions and helping them solve business disputes through litigation and alternative dispute resolution.


Specific areas of focus

  • Corporate and commercial property and land acquisitions.

  • Property development-related contract disputes and dispute resolution.

  • Small and medium size business acquisitions and sales including pharmacies and trading companies.

  • Managing and administering estates.