About Thassiane

Thassiane Gossler works with startups and growth-stage companies on corporate matters from formation through exit, including financing deals, reorganizations, and M&A across industries such as gaming, fintech, healthtech, and e-commerce. She advises founders and investors on seed-stage instruments like SAFEs, convertible notes, and preferred shares, and drafts and negotiates technology and IP agreements, including licenses, SaaS agreements, and privacy policies. As a lawyer qualified in both Ontario and Brazil, she also helps foreign startups expand into Canada. Thassiane holds an LLM from Western University, where she researched international taxation on a full scholarship, an LLM in Canadian Common Law from Osgoode Hall Law School, and a Bachelor of Laws from Universidade do Vale do Rio dos Sinos in Brazil. Before her legal career in Ontario she clerked for judges on a state Court of Appeal in Brazil. She was called to the Ontario bar in 2021.

Practice areas

Business & Corporate Law

Education & credentials

Law school
Universidade do Vale do Rio dos Sinos
Other degrees
LLM, Western University (2017)
LLM in Canadian Common Law, Osgoode Hall Law School (2020)
Bachelor of Laws, Universidade do Vale do Rio dos Sinos, Brazil (2013)

Listing compiled from public sources. Verify licence status on the Law Society of Ontario directory.