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John B. Brennan

London Office 80 Dufferin Ave.
85 Dufferin Ave.
88 Dufferin Ave.

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Meet John B. Brennan

Commercial Litigation Lawyer

"I leave no stone unturned when representing a client. I identify all the issues, examine the relevant facts and examine all possible legal arguments because, in the end, detail wins cases."

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Professional Highlights

  • Partner, Lerners LLP (2020-present)
  • Associate lawyer, Lerners LLP (2012-2019)
  • Articling student, Lerners LLP (2011)
  • Research Assistant, University of Windsor, Faculty of Law (2010)
  • English Teacher, Jinju Nam Jung Public Middle School, Jinju, South Korea (2007-2008)

  • Certificate of Recognition for Outstanding Performance in the Wilson Moot (2010)
  • Jean Teillet Award in Access to Justice (2009)

  • Ontario Bar Association
  • Canadian Bar Association
  • Middlesex Law Association
  • London Club Member
  • Osgoode Society for Legal History (2008-present)
  • Volunteer, London Lawyers Feed the Hungry (2011-present)
  • Windsor Law Alumni Association, (2011-present)
  • The Advocates' Society

  • Admitted to Ontario Bar (2012)
  • Juris Doctorate, University of Windsor (2011)
  • Bachelor of Arts (Political Science & History) (Hons), Concordia University (2007)

Outside the office, I am a shameless news junkie, an avid reader and a travel enthusiast. I also enjoy playing sports including: squash, tennis, taekwondo, golf and archery.

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