Blake specializes in taxation with a focus on international taxation and transfer pricing, dispute resolution (including litigation), and tax aspects of corporate finance, reorganizations and merger and acquisitions. From 1989 to 1990, Blake was Senior Counsel to the Standing Committee of the House of Commons on Finance and Economic Affairs with respect to the implementation of the goods and services tax. He has presented papers for, among others, the American Bar Association, the Canadian Bar Association, the Canadian Institute of Chartered Accountants, the Canadian Tax Foundation, the Law Society of Ontario and the Tax Executives Institute.