3 Best Intellectual Property Lawyers in St. Catharines, ON

Expert-recommended Top 3 Intellectual Property Lawyers in St. Catharines, ON. All of our intellectual property lawyers actually undergo a rigorous 50-Point Inspection, which includes everything from checking reviews, ratings, reputation, history, complaints, satisfaction, trust and price - all to ensure overall excellence. You deserve only the best!

Matthew Leask - St Catharines, ON Intellectual Property Lawyers - Lawyer Image
Matthew Leask - St Catharines, ON Intellectual Property Lawyers - Logo
4+ YEARS ON TBR
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MATTHEW LEASK

LANCASTER CHOWN & WELCH LLP
80 King Street, Suite 800,
St. Catharines, ON L2R 6Z1 Directions

Since 2016

Specialty:

✓General Trademark Advice ✓Trademark Registration ✓Trade Name Protection ✓Trademark Licensing Agreements ✓Purchase and Sale of Intellectual Rights Rights Rights ✓Copyright Advice ✓Commercial and Corporate Law ✓Wills and Estates ✓Trademark and Intellectual Rights ✓Real Estate

"Matthew Leask has obtained a Juris Doctor from Osgoode Hall Law School. His practice includes corporate and commercial law, real estate, intellectual property, estate planning, and estate administration. Matthew is a member of the Law Society of Upper Canada and the Lincoln County Law Association. Lancaster Chown & Welch LLP is one of the leading law firms in St. Catharines. The firm has been providing reliable legal assistance to clients throughout the Niagara Region and beyond since 1882. Their legal services reach individuals, business organizations, institutions and municipal governments. The lawyers will explain the laws that apply to your situation and the best strategies to proceed with your case. Matt is a registered trademark agent with the College of Patent and Trademark Agents. He is Chair of the Niagara Workforce Planning Board and a Board Member at CAA Niagara.

2026 Highlights: Lancaster Chown & Welch LLP is honoured to serve clients with historical excellence and a personalized approach to meet their legal needs."

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License #70952N|#1000071629

Contact:

(905) 346-0750 (905) 641-1551

Mon-Fri: 8:30am - 5pm
Sat & Sun: Closed

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Michael A. Mann - St Catharines, ON Intellectual Property Lawyers - Attorney Image
Michael A. Mann - St Catharines, ON Intellectual Property Lawyers - Logo
9+ YEARS ON TBR
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MICHAEL A. MANN

LANCASTER CHOWN & WELCH LLP
80 King Street, Suite 800,
St. Catharines, ON L2R 6Z1 Directions

Since 1995

Specialty:

✓General Trademark Advice ✓Trademark Registration ✓Trade Name Protection ✓Trademark Licensing Agreements ✓Purchase and Sale of Intellectual Property Rights ✓Copyright Advice ✓Commercial and Corporate Law ✓Wills and Estates ✓Real Estate

"Michael A. Mann obtained his Bachelor of Laws degree at Western University. He maintains his skills by attending continuing education programs offered by the Law Society of Upper Canada. Michael helps in the incorporation and organization of companies and drafts security agreements, shareholder agreements, leases and other documents of a corporate or commercial nature for his clients. Lancaster Chown & Welch LLP has been providing reliable legal assistance to clients throughout the Niagara Region and beyond since 1882. Their intellectual property law deals with the rules for securing and enforcing legal rights to inventions, designs, and artistic works. Michael A. Mann is a member of the Law Society of Ontario, the Lincoln County Law Association, and serves on the Board of Governors at Niagara College.

2026 Highlights: Michael A. Mann also handles residential and commercial real estate transactions, including preparing deeds and mortgages."

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License #36563M

Contact:

905 641 1551

Mon-Fri: 8:30am - 5pm
Sat & Sun: Closed

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Chown Cairns LLP - St Catharines, ON Intellectual Property Lawyers - Logo
6+ YEARS ON TBR
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CHOWN CAIRNS LLP

80 King Street, Suite 900,
St. Catharines, ON L2R 6Y8 Directions

Since 1957

Specialty:

✓Intellectual Property ✓Trademark ✓Copyright ✓Licensing and Regulatory ✓Real Estate ✓Risk Management ✓Technology Licensing ✓Franchising and Government Relations

"Chown Cairns LLP is a full-service law firm serving for over 69 years in St. Catharines, ON. The firm offers excellent, high-quality legal services to individuals, institutions and municipal governments, and business organizations. They provide legal assistance on questions of ownership, control, employment laws and agreements, non-compete agreements, intellectual property rights, commercial contracts, agency agreements, executive and shareholder compensation, and minority shareholder rights. Their team of lawyers serves in the Niagara Region and beyond. They provide strategic advice on protecting your inventions, brand identity, and creative works. Whether you’re developing new technology, branding a product, or creating original content, their company lawyers in St. Catharines help you secure and enforce your IP rights, driving your business’s competitive edge.

2026 Highlights: Chown Cairns LLP lawyers aggressively and skillfully represent clients in commercial transactions to maximize their clients’ objectives, and their business law practice group provides counselling and advice."

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Contact:

(905) 688-4500 (647) 503-5225

Mon-Fri: 8:45am-5:15pm
Sat & Sun Closed

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