Sunmark Law Professional Corporation
1 lawyer · City of Toronto
One of 2,345 law firms listed in Toronto, and one of 764 handling Business & Corporate Law.
Free consultation
Free consultationAbout Sunmark Law Professional Corporation
Sunmark Law Professional Corporation is a small business law firm based in midtown Toronto, on Yonge Street. Its founder, Dennis Yang, holds a Bachelor of Applied Science from the University of Waterloo and a Juris Doctor from the University of Toronto, and worked in the high technology industry in Canada and the United States before practising law. The firm concentrates on corporate and commercial matters for entrepreneurs, private companies, and public issuers, covering due diligence, financing, and governance work, with specific experience on the TSX Venture Exchange, from public offerings to reverse takeovers and capital pool company transactions. It also advises international entrepreneurs and businesses on doing business in Canada, and it holds the exclusive Eastern Canada commercial law membership in International Referral, a global referral network it joined in December 2014.
Alongside its corporate work, the firm handles residential and commercial real estate transactions and mortgage financing, including private mortgage deals for lenders and borrowers. It also has a distinct practice in assisted reproductive and fertility law, working with intended parents, surrogates, and donors on surrogacy agreements, egg donation agreements, hospital directive letters, and court declarations of birth, and it coordinates with fertility clinics and donor agencies in Canada and the United States. In addition to English, the firm says it can serve clients in Mandarin, Korean, and Vietnamese.
Practice areas
Milestones & recognition
- The firm's founder, Dennis Yang, has handled transactions worth over a billion dollars, ranging from large financings and acquisitions down to the start up of new companies.
Good to know
Wheelchair accessible
By appointmentFees & payment
Free consultationWho handles what
The neighbourhood
Sunmark Law calls its office location mid-town Toronto. Records from 2016 show the firm at a different address on Mount Pleasant Road before it moved to its current suite at 1920 Yonge Street, staying within the same part of the city.
Frequently asked questions
- Can Sunmark Law help me buy or sell a home in Toronto?
- Yes. The firm's real estate practice covers residential purchases and sales, including reviewing your agreement of purchase and sale, handling mortgage and title documents, and attending your closing.
- Does Sunmark Law handle surrogacy and egg donation agreements?
- Yes. The firm has a dedicated reproductive and fertility law practice that prepares gestational surrogacy agreements and egg donation agreements, along with hospital directive letters and court declarations of birth, and it works with fertility clinics and donor and surrogacy agencies in Canada and the United States.
- I run a business outside Canada. Can Sunmark Law help me set up here?
- The firm's international law practice assists foreign entrepreneurs and companies with establishing Canadian affiliates and doing business in Canada, and it is the exclusive Eastern Canada member for commercial law within International Referral, a global referral network of legal and other professional services firms.
- Does Sunmark Law work with companies on the TSX Venture Exchange?
- Yes. The firm's securities practice includes public offerings, reverse takeovers, capital pool company transactions, and ongoing public company compliance for issuers on the TSX Venture Exchange.
- What languages can I use with Sunmark Law?
- The firm says it can serve clients in Mandarin, Korean, and Vietnamese, in addition to English.
- Where is Sunmark Law located and how do I reach them?
- The firm's office is at 1920 Yonge Street, Suite 200, in midtown Toronto. It's open Monday to Friday, 9 am to 5 pm Eastern time, and can be reached by phone or email.
Where to find them
1920 Yonge Street, Suite 200, Toronto, Ontario M4S 3E2 · 416-645-2232
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Wills, Estates & TrustsReal Estate LawListing compiled from the firm’s public website in August 2026. Verify licence status in the Law Society of Ontario directory ↗