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Trusted Legal Services in Thunder Bay Since 1945
Weilers has been a trusted and effective business and legal partner to the Northwestern Ontario community for over 78 years. Our firm specializes in municipal law, labour relations, environmental law, mining law, corporate and commercial law, administrative law, real estate law, wills and estates, family law, Aboriginal law, and energy law. We provide tailored legal solutions to businesses, individuals, and First Nations communities while maintaining a deep understanding of the unique needs of our clients. Our team of experienced lawyers offers proactive advice on commercial transactions, regulatory compliance, litigation, and dispute resolution. We are committed to community engagement through participation in local fundraisers and charitable initiatives.

Our practice spans decades of navigating complex legal landscapes, ensuring fair and reasonable outcomes for clients. We combine a proud tradition of service with a progressive approach to meet evolving legal challenges. Our expertise extends to advising resource companies on treaty rights and land management, as well as representing clients before provincial and federal tribunals. We prioritize integrity, sensitivity, and client-focused solutions in all areas of our practice. This long-standing commitment to excellence has solidified our reputation as a leading legal authority in Northwestern Ontario.
Services
Municipal Law Labour Relations Environmental Law Mining Law Corporate Law Administrative Law Real Estate Law Wills and Estates Family Law Aboriginal Law
Highlights and features
  • We offer 78 years of legal expertise in Northwestern Ontario's unique regulatory environment
  • Our team includes specialists in Aboriginal law and resource management
  • We combine proactive legal strategies with deep community understanding
  • Our lawyers regularly appear before provincial and federal tribunals
  • We maintain a strong commitment to local charitable initiatives
Services
Aboriginal Law
Weilers provides specialized legal counsel to First Nations communities and resource companies regarding treaty rights, land management, and commercial agreements. Our practice includes litigation, mediation, and regulatory compliance. We combine cultural sensitivity with technical legal expertise to address complex Indigenous law matters in Northwestern Ontario.
Environmental Law
Our environmental law team advises on approvals, permits, and regulatory compliance for businesses and municipalities. We handle jurisdictional issues, risk assessments, and negotiations with government authorities. Our lawyers represent clients before environmental tribunals and courts in matters involving natural resource prosecutions and enforcement actions.
Corporate Law
Weilers offers comprehensive corporate legal services including business organization, mergers and acquisitions, and commercial contract drafting. Our lawyers advise on corporate governance, partnership agreements, and commercial transactions. We serve both large corporations and small businesses across Northwestern Ontario's diverse industries.
Family Law
Our family law practice handles divorce proceedings, custody arrangements, property disputes, and spousal support negotiations. We provide sensitive guidance through family transitions while prioritizing clients' emotional and financial well-being. Services include alternative dispute resolution and adoption proceedings.
Municipal Law
Weilers represents clients in municipal law matters including land use planning, licensing appeals, and landlord-tenant disputes. Our lawyers appear before the Ontario Municipal Board and other tribunals. We provide strategic advice on municipal governance and regulatory compliance issues affecting businesses and residents.
People
Nick Melchiorre
Partner
Nick Melchiorre specializes in administrative law and environmental regulations. With decades of experience, he represents clients before provincial tribunals and provides strategic legal counsel on complex regulatory matters affecting businesses and municipalities.
Mark Mikulasik
Partner
Mark Mikulasik focuses on corporate and commercial law, advising businesses on organizational structure and commercial transactions. He provides strategic legal guidance to help organizations achieve their business objectives while maintaining compliance with regulatory requirements.
Bradley A. Smith
Counsel
Bradley Smith specializes in Aboriginal law and resource management. He advises First Nations communities and resource companies on treaty rights, land management agreements, and regulatory compliance in Northwestern Ontario's resource sector.
Martha Petryshyn
Associate
Martha Petryshyn practices family law, helping clients navigate divorce proceedings, custody arrangements, and spousal support negotiations. She provides compassionate legal representation while prioritizing clients' emotional and financial well-being during family transitions.
Kyle Costa
Associate Lawyer
Kyle Costa joined Weilers after graduating from the University of Ottawa Faculty of Law. He focuses on corporate and commercial law, assisting businesses with organizational structure, contract negotiations, and regulatory compliance matters.
Questions
What areas of law does Weilers specialize in?
Weilers specializes in municipal law, environmental law, corporate and commercial law, family law, Aboriginal law, and administrative law, serving clients across Northwestern Ontario.
Does Weilers work with First Nations communities?
Yes, we provide legal services to First Nations communities and individuals, including advice on treaty rights, land management, and joint venture agreements.
How long has Weilers been in practice?
Weilers has served Northwestern Ontario for over 78 years, combining a proud tradition with modern legal approaches to meet client needs.
What community initiatives does Weilers support?
Weilers actively participates in local fundraisers including the Big Bike event, Children's Aid Society initiatives, and the Howard Ball supporting Thunder Bay charities.
Can Weilers handle complex commercial litigation?
Yes, our team has extensive experience in general and commercial litigation, representing clients before Ontario courts and federal tribunals.