Brendan O'Neill

Patrick Welsh is a partner in the Environmental Group in Toronto. Pat provides environmental advice to clients on commercial transactions, including land transactions, domestic and cross-border mergers and acquisitions, debt and equity offerings, and insolvencies and restructurings. Pat regularly works with environmental scientists and land use planners and draws on his extensive environmental transactional and regulatory experience to identify and mitigate environmental risks and address cli...

Sean Maxwell is a highly experienced lawyer with, having worked on a wide range of legal issues relating to pension and employee benefit plans. In his practice, Sean advises on pension fund investments, plan terminations, ongoing plan administration and compliance issues, disputes over the use of plan assets, development and documentation of pension and employee benefit plans, issues arising from corporate transactions and commercial insolvencies, and adhering to fiduciary duties. Sean also h...

William K. Orr focuses his practice on corporate governance in acting for boards of directors and independent committees of boards. He is highly experienced in securities regulation involving multi-national transactions in Canada, the US, the UK and beyond. Bill is recognized in Canadian and international directories for expertise in public and private financings, private placements, takeover bids, M&A, going-private transactions, corporate governance, restructurings, and stock exchange a...

Rachel Goldman Robinson is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Rachel, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rachel is held by other top lawyers in the same geographic and legal practice area.

Laurie is a partner in our Family Law Group, acting in disputes involving high incomes and significant property. Her practice also includes mediation and arbitration. She appears in Courts at both the trial and appellate levels. Between 2010 and 2012, Laurie was elected as the 63rd Treasurer (President) of The Law Society of Upper Canada, the regulator governing all lawyers and paralegals in Ontario. She was only the third woman since the Law Society was founded in 1797 to hold this office. T...

Gesta Abols’ practice is focused on mergers & acquisitions (including private equity), strategic investments, corporate governance and shareholder activism. Gesta provides expert legal advice, superior service and structure to bring clarity to complex challenges. Gesta is the Co-Leader of the firm’s US Practice and on the executive of the firm’s Capital Markets and Mergers & Acquisitions (CM and M&A) Committee. Gesta is consistently recognized as a leader in the ...

A partner at the firm since 1999, Kelly Gill is best known for his intellectual property litigation practice, particularly in the areas of trademarks and unfair competition. Kelly is leader of the firm’s Trademarks Group and interim leader of the Intellectual Property Litigation Group. Kelly is ranked as a leading IP lawyer by some of the world’s foremost legal directories, such as the Canadian Legal Lexpert Directory , Who’s Who Legal , Chambers Global and the Best Lawyers ...

Richard P. Stephenson is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Energy Law. Richard P., who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard P. is held by other top lawyers in the same geographic and legal practice area.

Alethea Au is a partner in the Mergers & Acquisitions Group (with a focus on technology companies). She has counselled a range of clients including private equity funds, strategic corporate buyers, and founder clients across various industries in complex matters related to mergers and acquisitions, including structuring, risk mitigation, divestitures, minority and majority investments, use of representation and warranty insurance and related transactional and transitional issues. She also...

David Hausman practices exclusively in the field of securities litigation. Regularly representing investment dealers, public companies, mutual funds, directors and officers, David advises clients on regulatory investigations and proceedings before provincial securities commissions, all Canadian stock exchanges and self-regulatory organizations. Representing both bidders and targets in contested mergers and acquisitions transactions, David also advises clients on governance issues in the publi...