Canada’s Intellectual Property Firm

Lesley Gallivan

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Lesley Gallivan

  • Smart & Biggar LP

Trusted advisor offers practical guidance for international brand owners

Lesley is an experienced lawyer and trademark agent who focuses on understanding her clients’ business goals and unique brand requirements at the outset, building trusted relationships by offering clear guidance to address their specific trademark needs and individual situation.

Lesley has close to a decade of experience helping brand owners secure and protect their trademarks. She works with a wide range of domestic and international clients, providing them with practical advice and tailored solutions to navigate Canada’s IP laws and practice related to trademarks.

Experienced trademark counsel for brands with complex products

Lesley has experience working with clients seeking trademark protection for complex products across a wide range of commercial sectors including pharmaceuticals, chemical, aerospace, manufacturers of industrial and mechanical equipment, and consumer products. She has developed particular skills in assisting clients with selection of the appropriate goods & services classifications to achieve the right level of trademark and brand protection for their business needs.     

Passionate legal advocate on oppositions and contentious matters

In contentious matters, Lesley is a fierce and passionate advocate with experience handling trademark oppositions and cancellations under Section 45 of the Canadian Trademarks Act and drafting cease & desist letters to ward off infringers. 

Lesley also has experience drafting commercial contracts and agreements related to IP ownership.


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  • In the Media


  • Member, Law Society of Ontario


  • “Federal Court: official marks not an absolute defence to infringement in Canada” (2018), World Trademark Review, October 29, 2018