Kaitlin Soye


Kaitlin* is a scientist turned lawyer with a broad intellectual property litigation practice. By combining her diverse legal experience and scientific background, she achieves§ creative solutions for her clients. With a PhD in experimental medicine, Kaitlin tests boundaries and experiments with ideas to find the right balance of science and law that will win the day. An avid surfer and skier, Kaitlin applies these same principles as she races across land and sea. .


  • Practice Areas:

  • Bar Admissions:

    • Ontario (2015)
  • Education:

    • McGill University (2014) LLB/BCL
    • McGill University (2011) PhD (Experimental Medicine)
    • McGill University (2007) MSc (Microbiology and Immunology)
    • University of Guelph (2005) BSc (Honours) (Molecular Biology and Genetics)


Kaitlin Soye

is a lawyer at Lenczner Slaght.

Kaitlin's practice encompasses a broad range of intellectual property  and commercial litigation. In patent matters, she has experience with industries including pharmaceuticals, biologics, oil and gas, and telecommunications. Kaitlin has advised clients in food and drug regulatory matters and defamation matters.

Prior to joining Lenczner Slaght, Kaitlin summered, articled and practiced intellectual property law at an international firm. Kaitlin also provided pro bono criminal and immigration representation to members of the Toronto community.

During law school, Kaitlin worked as a research associate in the Centre of Genomics and Policy. She also volunteered at the McGill Legal Information Clinic and the Concordia Legal Information Clinic.

Prior to law school, she completed her B.Sc. in Molecular Biology from the University of Guelph, her M.Sc. in Microbiology and Immunology and her Ph.D. in Experimental Medicine from McGill University. Kaitlin's doctoral research focused on establishing a scientific basis for innovative and alternative therapies to viral infections. She has extensive research experience in molecular biology, nutrition, biochemistry, and infectious disease.

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  • Intellectual Property Institute of Canada

  • Law Society of Ontario

  • Ontario Bar Association

  • Toronto Intellectual Property Group

  • First Generation Network - Mentorship Program

  • Pro Bono Ontario

  • Young Women in Law - Member

  • Counterfeiting and the Pandemic

    In the face of the ongoing COVID-19 pandemic, and preparations for reopening some sectors of the economy, the need for medical supplies is at the forefront of everyone’s mind. While it is important that medical supplies be available, it is paramount that the supplies are safe and effective.

    Kaitlin Soye | May 12, 2020

  • Superior Court Update from the Honourable Chief Justice Morawetz

    Amid the COVID-19 crisis, advocates, like all Ontarians, are facing immediate and diverse challenges. Pandemic or not, access to justice is a key foundation to our judicial system. Today, the Honourable Chief Justice Geoffrey B. Morawetz of the Ontario Superior Court of Justice hosted a virtual fireside chat to address the priorities of the Superior Court of Justice amid the COVID-19 crisis.

    Kaitlin Soye | April 6, 2020

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