Kirby Cohen

Andrew Finkelstein is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Andrew, 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 Andrew is held by other top lawyers in the same geographic and legal practice area.

Jan’s practice focuses on professional negligence matters with a particular interest in medical malpractice and birth injury litigation. Jan is a current member of the Board of Directors of the Ontario Trial Lawyers Association (OTLA). She is involved in their Interventions Committee, Litigator Editorial Board and the Practice Direction Committee. She is an active writer and contributor to the Litigator Magazine, OTLA Blog and Medical Malpractice Newsletter. She has acted as the chair o...

Gary R. Will is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Gary R., who practices law in Oakville, Ontario, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gary R. is held by other top lawyers in the same geographic and legal practice area.

Jonathan Willson is a partner in the Tax Group. His practice focuses on all areas of Canadian income tax law, including domestic, cross-border and international mergers and acquisitions, corporate reorganizations and restructurings, corporate finance, and investment fund structuring. Jonathan’s clients include publicly listed and private Canadian, U.S. and global entities across various industries, including financial services, real estate, mining, technology, and healthcare. He has bee...

Boris Muchalov’s corporate-commercial practice covers a broad range of transactions with an emphasis on bilateral and syndicated secured debt financings, asset-based lending, factoring, automotive floor plans, and acquisition and construction financings. He works on both domestic and cross-border transactions across a wide range of industries. Boris’ clients include financial institutions, asset-based lenders, and corporate borrowers. He also acts as corporate counsel to a number ...

Natalie S. Rizkalla-Kamel is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Natalie S., who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Natalie S. is held by other top lawyers in the same geographic and legal practice area.

Robert G.S. Hull is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. Robert G.S., who practices law in Toronto, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert G.S. is held by other top lawyers in the same geographic and legal practice area.

As a partner in the Firm, Sarah acts for employers in both the federal and provincial jurisdictions. Her clients operate in a range of industries, including manufacturing, telecommunications, retail, financial services and pharmaceutical. Before joining Filion, Sarah practiced management-side labour and employment law with a global firm. Sarah provides practical and strategic advice to employers on all aspects of labour and employment law. She regularly acts as counsel in wrongful dismissal l...

Christine (Chris) Muir's practice encompasses complex commercial litigation and high-profile administrative matters. She's skilled in complex litigation, including contract disputes, and public and appellate law. She also has experience advising on and managing defamation matters. She represents clients ranging from large corporations and institutions to small business owners and professionals in sectors including health, finance, construction and education. She has appeared as counsel before...

Jeffrey Singer has built a market-leading practice backed by over 30 years of experience advising on Canada’s most complex and high-profile domestic and cross-border transactions. With a particular focus on cross-border mergers and acquisitions, equity and debt capital markets and private equity-related matters, Jeffrey regularly represents industry-leading clients, including banks, private capital firms, pension funds, and major corporations. Jeffrey previously served as Chair of Stike...