Mark Opashinov
About Mark Opashinov
Mark Opashinov is a lawyer based in Toronto, ON and has been recognized in The Best Lawyers in Canada™ since 2019. Mark Opashinov is recognized in the following practice area:
- Toronto, Ontario
- Competition / Antitrust Law
Current Firm: McMillan LLP
Location: Toronto, ON
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Graham leads the firm's Bankruptcy, Insolvency & Restructuring Group and also practices Corporate/Commercial law. As a result, he is at home, representing clients in the courtroom and the boardroom. In Bankruptcy, Insolvency and Restructuring scenarios, Graham's experience spans all sectors of business and industry. He represents and advises clients in litigation and corporate/commercial transactions in the context of formal and informal turnarounds , re-financings, reorganizations, secur...
Grant McGlaughlin is co-leader of the Private Equity Group and practices in the areas of mergers and acquisitions, private equity, corporate finance, governance and sensitive and complex transactions. He provides superior service and expert legal advice to public and private issuers, underwriters and private equity funds in a broad range of industries including mining and natural resources, technology and industrial. Grant has an extensive corporate practice providing general legal and strate...
Theresa L.M. Man joined Carters in 2001, becoming a partner in 2006, to practice in the area of charity and not-for-profit law. Ms. Man is recognized as a leading expert in charity and not-for-profit law by Lexpert and The Best Lawyers in Canada and Chambers and Partners . Ms. Man is co-author of Corporate and Practice Manual for Charitable and Not-for-Profit Corporations published by Thomson Reuters. She has also written on charity and taxation issues for various publications, including The ...
Edward Marrocco is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation, Criminal Defence and Health Care Law. Edward, 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 Edward is held by other top lawyers in the same geographic and legal practice area.
Tina Yang helps people leverage the legal system to seek justice when their rights have been violated, whether as workers, consumers, investors, or simply humans. This includes prosecuting class actions and mass torts to address collective wrongs, as well as a diverse range of other civil litigation. Tina’s class action experience is noteworthy for its breadth, as she has achieved successes for clients in cases relating to: Charter breaches & state accountability, institutional abus...
Executive Summary Jim is a member of the Non-Profit and Charities and the Tax and Estate Planning Groups. He has extensive experience advising clients in areas of personal tax, corporate tax, estate planning, wills and trusts, estate administration, charities and not-for-profit organizations, including planning for charitable donations. He assists clients in resolving complex disputes with tax authorities at both federal and provincial levels. On behalf of the CBA, Jim has prepared numerous s...
As a patent and trademark lawyer Toronto-based, Mark D. Penner’s practice focuses on all aspects of the acquisition, protection, enforcement and strategic use of a wide range of intellectual property assets in Canada and around the world. Acting for a range of clients, from individual inventors, start-ups and other early stage companies to large multinational companies, Mark provides strategic advice in a variety of technology areas, including biotechnology, chemistry, energy, social me...
Brad Moore's practice focuses on corporate, securities, transactional and financial services litigation. Brad represents investment dealers, registered representatives and other market participants in civil and regulatory proceedings, and he also regularly leads complex and sensitive internal investigations in both the public company and securities dealer contexts. In addition, Brad frequently acts on matters involving shareholder disputes, and in statutory plan of arrangement proceedings. Br...
Susan Rosen is a partner in the Real Estate and Financial Services groups at Gowling WLG and on the executive of Gowling’s Leasing and Real Estate National Practice groups. Susan brings her specialized understanding of leasing to a broad range of real estate, financial services and environmental law related areas, with an emphasis on commercial and retail leasing, secured financings, condominium law, commercial purchase and sale transactions, and environmental law. In her practice, she ...
Orestes Pasparakis is co-chair of our Canadian special situations team, which encompasses Canada’s leading shareholder activist practice, sophisticated securities litigation and complex reorganization transactions. Mr. Pasparakis has led and won some of Canada's most contentious and complex corporate disputes. Mr. Pasparakis focuses on high-stakes disputes that often proceed in “real time” or on an urgent basis. His approach is practical and results-oriented. Many of his cas...
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.