Erin McEwen

What my clients say

"We used Nelligan Law for our trademark registration and everything they did was very smooth and easy for us. Got the job done, cost effective and great communication. Would hire them again."

"This is hands down the best law firm I ever worked with. I worked with Erin & she was amazing since the beginning. We received a cease & desist letter in regards to a trademark issue, and Erin & her team were able to guide me through the whole process. . It was so easy dealing with them, all my questions were answered promptly & Erin is so attentive to details and extremely knowledgeable about the law."

"We've had a fantastic experience with Nelligan Law. Erin McEwen secured us international protection in Canada and has been a real joy and pleasure to work with. I couldn't recommend highly enough."

"Rest assured that whatever I have that involves Canada going forward, it will be coming straight to Nelligan Law."

"We like the ethical and community approach that prevails in your organization, and I was impressed by your professionalism and your attitude towards intellectual property."

Erin McEwen

What my clients say

"We used Nelligan Law for our trademark registration and everything they did was very smooth and easy for us. Got the job done, cost effective and great communication. Would hire them again."

"This is hands down the best law firm I ever worked with. I worked with Erin & she was amazing since the beginning. We received a cease & desist letter in regards to a trademark issue, and Erin & her team were able to guide me through the whole process. . It was so easy dealing with them, all my questions were answered promptly & Erin is so attentive to details and extremely knowledgeable about the law."

"We've had a fantastic experience with Nelligan Law. Erin McEwen secured us international protection in Canada and has been a real joy and pleasure to work with. I couldn't recommend highly enough."

"Rest assured that whatever I have that involves Canada going forward, it will be coming straight to Nelligan Law."

"We like the ethical and community approach that prevails in your organization, and I was impressed by your professionalism and your attitude towards intellectual property."

Erin
McEwen
Trademark Agent
Erin
McEwen

Erin is a seasoned Canadian trademark agent and intellectual property strategist with over 20 years of experience helping businesses unlock the value of their brands.

Since becoming a registered trademark agent in 2009, she has built a reputation for crafting practical, creative, and business-focused solutions that empower clients to protect and grow their IP assets—both in Canada and worldwide.

As Leader of the Intellectual Property Practice Group at Nelligan Law, Erin advises clients across all sectors—from startups and solo innovators to large national and international organizations. She is known for her approachable, strategic counsel and unwavering commitment to client success.

Her experience spans the full lifecycle of trademarks, including clearance, prosecution, opposition, enforcement, and portfolio management. Erin is highly experienced in resolving opposition and cancellation proceedings, including international disputes, and helps clients secure Canadian border protection against counterfeit goods.

She maintains strong relationships with foreign counsel worldwide, allowing for seamless global trademark management and effective filing strategies tailored to each client’s needs.

Coming from a family of entrepreneurs, Erin understands the challenges of building and protecting a business. She’s passionate about creating tailored IP strategies that reflect each client’s unique goals, risk tolerance, and growth plans.

A vocal advocate for inclusive IP policy, Erin is a member of INTA’s Indigenous Rights Committee and actively contributes to global discussions around traditional knowledge and cultural expression. She was also part of the legal coalition responding to Quebec’s Bill 96, supporting efforts to ensure balanced, practical approaches to trademark law under new language requirements.

Erin was recognized in the 2025 World Intellectual Property Review Leader directory, a list that reflects the very best of the global IP legal profession.

Erin regularly speaks to students and business groups about IP rights and protection, and is committed to demystifying IP for entrepreneurs and creatives. She is a proud member of 100 Women Who Care – Lanark County and values giving back to the community.
She also served as Past President of the Tourette Canada – Ottawa Chapter and continues to be an advocate for families affected by this neurological disorder.

Outside of work, Erin enjoys time with her family in nature. Together, they raise and release Monarch butterflies each year—a small tradition that reflects her deep care for transformation, resilience, and stewardship.

Education & Professional Associations
  • Certified Trademark Administrator
  • Registered Canadian Trademark Agent
  • McGill University – Trademarks II
  • McGill University – Patents I
  • Willis Business College
  • IPIC
  • INTA
  • INTA Indigenous Rights Committee
  • WIPR World Leader, 2025

Practice Groups

Have Questions?

Authored Content

Intellectual Property Law
Blog
Reading time: 4 mins
In today’s hyper-saturated marketplace, standing out is everything. You’ve perfected your product’s look—sleek, smart, maybe even sexy. But while you’re[...]
Intellectual Property Law
Blog
Reading time: 2 mins
In a moment that surely rattled diamond-encrusted glove compartments everywhere, Mercedes-Benz has been told—in the most European legal way possible—that[...]
Intellectual Property Law
Blog
Reading time: 3 mins
As a trademark agent, I have seen some colourful branding disputes. The most recent – a showdown between Buc-ee’s—the Texas-based[...]

Related Posts

Intellectual Property Law
Blog
Reading time: 4 mins
In today’s hyper-saturated marketplace, standing out is everything. You’ve perfected your product’s look—sleek, smart, maybe even sexy. But while you’re[...]
Intellectual Property Law
Blog
Reading time: 2 mins
In a moment that surely rattled diamond-encrusted glove compartments everywhere, Mercedes-Benz has been told—in the most European legal way possible—that[...]
Intellectual Property Law
Blog
Reading time: 3 mins
As a trademark agent, I have seen some colourful branding disputes. The most recent – a showdown between Buc-ee’s—the Texas-based[...]