About SJO Legal Professional Corporation

SJO Legal Professional Corporation is a Toronto law firm run by Sean J. O'Donnell, who was called to the Ontario Bar in 2010. Before starting an independent practice, O'Donnell worked at established litigation firms, handling employment, human rights, and civil litigation matters for both employees and employers. The office is on Scollard Street in Toronto. The firm describes its approach as combining the personal touch of a small practice with the depth of experience associated with Bay Street.

The practice concentrates on employment law, including contract drafting, policy interpretation, workplace investigations, severance negotiations, wrongful dismissal claims, and tribunal representation. It also covers human rights matters such as disability and family status accommodation and discrimination complaints, and a civil litigation practice spanning contract disputes, class actions, medical malpractice, commercial litigation, professional liability, administrative law, and landlord-tenant disputes. O'Donnell has appeared before the Ontario civil courts. O'Donnell also serves as a Licensing Process Tutor for the Law Society, teaching Civil Litigation and Professional Responsibility to licensing candidates.

Milestones & recognition

  • Sean J. O'Donnell was called to the Ontario Bar in 2010.

In the community

  • O'Donnell serves as a Licensing Process Tutor for the Law Society, teaching Civil Litigation and Professional Responsibility to lawyer licensing candidates.
  • O'Donnell has written employment law commentary published by Advocate Daily, on topics including constructive dismissal, workplace accommodation, and the Employment Standards Act.
  • The firm keeps a blog on employment law developments, including an extended series of posts on workplace issues during the COVID-19 pandemic.

Good to know

A person using a wheelchairWheelchair accessible

The neighbourhood

SJO Legal's office is on Scollard Street, within the Bloor-Yorkville Business Improvement Area in downtown Toronto. The surrounding Yorkville area is known for shops and restaurants housed in Victorian era buildings. It's a small, walkable stretch of the city bounded by Bloor Street, Davenport Road, Yonge Street, and Avenue Road, mixing older residential buildings with newer condominium development.

Frequently asked questions

Does SJO Legal represent employees or employers?
SJO Legal acts for both sides of the employment relationship, representing individual employees as well as businesses in matters such as severance negotiations, wrongful dismissal claims, and workplace policy disputes.
Can SJO Legal help with a human rights complaint?
Yes. The firm handles human rights matters including disability accommodation, family status accommodation, and discrimination and harassment complaints.
I think I was constructively dismissed. Can SJO Legal help?
Constructive dismissal is part of the firm's employment law practice, and O'Donnell has published commentary on the topic, including guidance on not simply resigning when facing a possible constructive dismissal.
Does SJO Legal handle civil litigation outside of employment law?
Yes. The civil litigation practice covers contract disputes, class actions, medical malpractice, commercial litigation, professional liability claims, administrative law, and landlord-tenant disputes, and O'Donnell has appeared before the Ontario civil courts.
Where is SJO Legal located?
The office is at 82 Scollard Street in Toronto, within the Bloor-Yorkville Business Improvement Area.
How long has Sean O'Donnell been practicing law?
O'Donnell was called to the Ontario Bar in 2010 and has represented individuals, national and international corporations, and government entities.

Where to find them

82 Scollard Street, Toronto, ON M5R 1G2 · 416-546-9696

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Listing compiled from the firm’s public website in August 2026. Verify licence status in the Law Society of Ontario directory ↗