Atty. Mark A. Stone
Mark practises all areas of labour and employment law, representing both public and private sector employers before labour boards, arbitration boards, the courts and numerous employment-related administrative tribunals. Mark’s practice also involves providing proactive and strategic advice to employers in labour and employment matters.
Labour and Employment Law Attorney · 35+ Years Experience
Profile Summary
About Mark A. Stone at a Glance
Mark A. Stone is a employment attorney, practicing at Filion Wakely Thorup Angeletti LLP. They have 35+ years of legal experience, licensed to practice since 1991. Admitted to practice in Ontario (1991). Educated at Dalhousie University (—). Recognitions include Best Lawyers in America — Labour and Employment Law (2026).
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About Mark A. Stone
- Mark practises all areas of labour and employment law, representing both public and private sector employers before labour boards, arbitration boards, the courts and numerous employment-related administrative tribunals
- Mark’s practice also involves providing proactive and strategic advice to employers in labour and employment matters
- Mark has acted as lead counsel in many significant collective agreement arbitrations, wrongful dismissal matters and proceedings before both the Ontario Labour Relations Board and the Human Rights Tribunal of Ontario
- Mark has significant experience in collective bargaining negotiations and has acted as lead spokesperson at the bargaining table for employers in both first collective agreements and renewal agreements
- Mark regularly provides collective agreement drafting advice
- Mark has extensive experience providing proactive strike advice to employers, including representing employers before the courts in obtaining injunctions in restraint of unlawful picketing
- Mark also has extensive experience in cease and desist matters before the Ontario Labour Relations Board
- Mark’s practice includes a significant component of litigation before the Ontario Labour Relations Board in construction industry certification matters
- This also includes extensive experience in union jurisdictional disputes, related employer/sale of business matters, and construction industry grievances
- Mark has extensive experience acting for both construction and non-construction employers in responding to applications for certification and unfair labour practice complaints
- Mark’s practice also includes providing advice to employers in occupational health and safety matters
Practice Areas Explained
Mark A. Stone's Areas of Legal Practice
Each practice area below reflects the types of cases Mark A. Stone handles, with a practical overview of what that area of law involves and how it may apply to your situation.
Employment Law
Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.
Mark A. Stone is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys →
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Professional Profile
Why Clients in Your Area Choose Mark A. Stone
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark A. Stone's practice in the field of employment.
Decade-Tested Legal Experience
Mark A. Stone brings 35+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Focused Employment Practice
Concentrating on employment means Mark A. Stone's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
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