Roger Horst

P: 416-593-3938
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  • Called to the Bar of Ontario, 1986
  • LL.B., Osgoode Hall Law School, 1984
  • B.A., (Honours), University of Western Ontario, 1977
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Roger Horst Photo ©2021 Blaney McMurtry LLP

For over thirty years Roger Horst has been a leader in complex litigation and all variety of negligence claims.  His experience and advice is highly sought after in claims involving defence of professionals, directors and officers liability, defamation, product liability, personal injury, commercial litigation, class actions and appeals of novel or difficult issues.

An expert problem-solver, Roger is able to quickly get to the essence of his clients’ legal problems.  While recognizing that each client has different needs, interests and objectives, Roger’s goal in every case is to attain the best possible results for his clients.

Listen to Roger's podcast on CLASS ACTIONS here.

  • LL.B., Osgoode Hall Law School, 1984
  • B.A., (Honours), University of Western Ontario, 1977
 Practice Areas  Called to the Bar
  • Called to the Bar of Ontario, 1986
 Assistant  Experience
  • Goryn v. Huntington 1900 Bayview Inc., 2019 ONSC 2881 -

    acted for the plaintiff on a nuisance claim arising from noise from the construction of an adjacent condominium building outside the hours permitted under the applicable municipal by-law. The defendants moved for a summary judgment, seeking the dismissal of this claim based mainly on an exclusion clause in the agreement of purchase and sale pursuant to which the plaintiff purchased her condominium. Their motion was defeated. View Decision here.

  • Serbcan Inc. v. National Trust Company, 2019 ONSC 1842 -

    successfully defeated a motion for judgment by the Bank on the basis, among other things, that the Bank’s lawyer breached the rules of professional conduct in dealing directly with a party represented by counsel. View Decision here.

  • McCarthy v. 2065943 Ontario Ltd., 2019 ONSC 2445 -

    acted for the Province of Ontario successfully defending a claim brought against them based on notice period. View Decision here.

  • Frequent counsel in Ontario Court of Appeal on numerous issues, including standard of care expected of professionals, including appraisers, accountants, financial advisors, and public officials, and the interpretation of the Indian Act and rights of bands and band members under the Act

  • Lead counsel in defence of class actions involving various types of claims including mass environmental torts and professional negligence

  • Counsel in arbitrations involving rights and obligations under commercial contracts

  • Trial counsel in a variety of torts claims including professional negligence, occupiers liability and mass torts

  • Frequent counsel on motions for summary judgment for dismissal of claims on the merits and limitation periods

  • Frequent counsel on claims about duties and standard of care for government agencies and officials including class actions



  • Certified by the Law Society of Ontario as Specialist in Civil Litigation
 Blogs  Memberships


  • Law Society of Ontario
  • Ontario Bar Association
  • The Advocates Society


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