About Joston Legal Services Professional Corporation

Joston Legal Services Professional Corporation, which also operates as Joston Law LLP, is a small legal practice in downtown Oshawa. Its team includes lawyers, licensed paralegals, law clerks and administrative staff with more than 30 years of combined experience. The firm's work spans civil and commercial litigation, employment and immigration law, contract review, wills, powers of attorney, marriage contracts and separation agreements, small claims, landlord and tenant and Human Rights Tribunal matters, debt enforcement, and notary and commissioning services. For process serving and bailiff work such as commercial lockouts and asset recovery, Joston relies on outside providers rather than handling those functions directly.

The firm's lawyers bring different backgrounds to the practice. Samuel R. Baker holds a King's Counsel appointment, earned a BA and LLB from the University of Alberta, and completed a Master of Laws in international law at Stanford University, where Baker also served as a teaching fellow and is a Fellow of the Patent and Trademark Institute of Canada. Calvin Zhang and Ye Yuan, the firm's other lawyers, graduated from Queen's University Faculty of Law and Osgoode Hall Law School respectively and were both called to the Ontario bar in 2020; both are fluent in English and Mandarin.

In the community

  • Joston supports St. Joseph's Orphanage for Children in Vembar, India, founded in the late 1800s and run by the Sisters of the Holy Ghost Parish, which houses, feeds and educates more than 85 children; the firm sponsors meals for the children every Sunday.
  • As of July 2023, Joston's website reported that its support, together with the orphanage's successor program, the Santiago Mission, had helped provide more than 40,000 meals to children whose families could not afford food.
  • Joston also supports the Toronto Wildlife Centre and the Chalice International Aid Society.

Good to know

A person using a wheelchairAccessible parking

This firm’s lawyers at a glance

Called to the bar
2020 · median 6 years in practice 1 of 2 lawyers
Languages on the roster
English, Mandarin

Where to find them

89 Ontario St, Oshawa, ON L1G 4Y9 · 905-725-0255

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This listing was generated by AI from public sources in September 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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