Mark O’Brien Legal is a Sydney-based legal practice which combines the extensive experience Mark O’Brien brings to commercial and media litigation with a new strategic consulting arm for clients seeking assurance that their legal and financial interests are being optimised. 

Whether representing you in litigation or providing a ‘second-opinion’, Mark O’Brien ensures the right legal resources are brought to your case to ensure the best result and costs are managed astutely.  

The changing legal terrain


About Mark O’Brien