Open LLP
2 lawyers · Established 2016 · City of Toronto
One of 2,345 law firms listed in Toronto, and one of 195 handling Intellectual Property.
2 lawyers · Established 2016 · City of Toronto
One of 2,345 law firms listed in Toronto, and one of 195 handling Intellectual Property.
Open LLP is a small Toronto firm at 99 Yorkville Avenue that describes itself as personalized "in-house counsel" for high-growth start-ups and entrepreneurs. Adrienne Ng and Felix Tang launched the firm in 2016. It handles corporate and commercial matters, trademark work, and technology-related legal issues for founders in the technology sector.
Both lawyers came to law after careers in engineering. Ng trained as a chemical engineer at the University of Toronto and worked as a manager of process engineering at Sanofi Pasteur before earning a law degree at Osgoode Hall Law School and being called to the Ontario bar in 2012. Before starting Open LLP, Ng was a partner at a business and IP firm and had worked at a full-service firm on Bay Street. Tang studied engineering science and then computer engineering at the University of Toronto, contributing code to the Linux kernel and winning the Best Open Source Software award at the 2005 ACM Multimedia conference along the way, before completing a law degree with an option in law and technology at the University of Ottawa and working in the business and intellectual property groups at Gowlings.
Wheelchair accessibleOpen LLP's office is on Yorkville Avenue, in a part of midtown Toronto built up mostly in Victorian-era houses that has since become known for its upscale shops and designer retailers. Nearby Bloor Street is lined with luxury retailers, and the Royal Ontario Museum is a short walk away. That backdrop sits alongside a firm whose corporate and trademark work serves technology-sector founders.
99 Yorkville Avenue, Suite 200, Toronto, Ontario M5R 1C1 · 647-560-4110
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Real Estate LawListing compiled from the firm’s public website in August 2026. Verify licence status in the Law Society of Ontario directory ↗