Gregory specialises in trial and appellate advocacy and opinion work as Senior Counsel.   He practises primarily in commercial law, including corporate, finance and securities, insurance, professional liability, property, equity and trusts, intellectual property and IT.    He also practises in construction, succession/family provision, administrative law and associations and charities.

He is an experienced and accredited arbitrator, expert determiner (including domain name auDA panels) and mediator, on private and statutory panels.

Gregory is also an author and editor of and contributor to journals, books and legal encyclopaedias primarily in equity, finance and dispute resolution, including editor of the Journal of Banking and Finance Law and Practice and co-editor of Weaver & Craigie’s Law Relating to Banker and Customer in Australia.