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Lavery Lawyers

Jonathan Lacoste-Jobin

Jonathan Lacoste-Jobin



  • Commercial Litigation
  • Damage Insurance
  • Insurance
  • Class Actions

WSG Practice Industries


Lavery Lawyers
Quebec, Canada



Jonathan Lacoste-Jobin is a member of the Litigation group and practises primarily in the areas of insurance law, professional liability, and commercial litigation.

Mr. Lacoste-Jobin earned a combined common law/civil law degree from McGill University in 2005 and is a member of the Barreau du Québec since 2006. He is partner in the litigation sector since 2016. Mr. Lacoste-Jobin participates in conferences and training sessions dealing with insurance law, such as those offered by the Institut d?assurance de dommages du Québec.

For the past six years, Mr. Lacoste-Jobin has delivered the Jean Bélanger lecture, a review of developments in insurance law over the previous year, to the Canadian  Bar Association and the Canadian Insurance Claims Manager Association. He also lectured at Université du Québec à Montréal as part of the Pierre-Basile-Mignault moot court competition.

Mr. Lacoste-Jobin contributes to various insurance publications including ?Développements récents en droit des assurances? and JurisClasseur Québec, published by LexisNexis (insurance and consumer law). He also contributes to various legal journals such as the Quebec Digest of Insurance Law published by the Chambre de l?assurance de dommages du Québec (ChadPresse).

Together with Mr. Bernard Larocque, he recently represented Pro Bono Québec before the Supreme Court of Canada in Réjean Hinse v. the Attorney General of Canada.

Representative mandates


  • Representation of a commercial insurer in a case concerning a major loss involving analysis and interpretation of an insurance policy.
  • Recovery of an amount paid by an insurer concerning a major industrial loss from a manufacturer of specialized products in the metal industry.
  • Analysis of coverage concerning various professional liability insurance policies.

Class actions

  • Representation of manufacturing companies in a class action resulting from chemical contamination of residential wells.
  • Representation of an agricultural chemicals distributor concerning the sale of a product that allegedly caused plant damage.


  • Representation of an agronomist in a case involving advice relating to market gardening.
  • Representation of a pig-fattening company in a case involving hog producers.

Recent presentations and activities

  • Lecturer for the Canadian Bar Association and the Chambre de l?assurance de dommages
  • Lecturer for the Pierre-Basile-Mignault Moot (Université du Québec à Montréal)
  • Presentation: Conseils pratiques aux experts en sinistre, du sinistre au procès, for the Association des experts en sinistre indépendants du Québec
  • Presentation: L?assurance responsabilité des administrateurs et dirigeants et l?assurance contre les erreurs et omission, for the Chambre de l?assurance de dommages
  • Presentation: Revue annuelle de la jurisprudence en matière d?assurance de dommages, accredited by the Chambre de l?assurance de dommages and the Canadian Bar Association


  • B.C.L., LL.B., McGill University, 2005
Areas of Practice

Class Actions | Commercial Litigation | Damage Insurance | Insurance | Product Liability | Professional Liability

Professional Career

Professional Associations

    Canadian Bar Association
    Young Bar Association of Montreal

Lecturer for the Canadian Bar Association and the Chambre de l’assurance de dommages

Lecturer (Universite de Montreal) for the Pierre-Basile Mignault Moot

Professional Activities and Experience

  • 2014_Law_Digest


  • Who is Insured in the Blended Family Era?
  • In the Wake of Domtar: Manufacturers' and Professional Vendors' Liabilities - Separate Defences
  • L’obligation de conseil du représentant en assurance : s’assurer de la compréhension de ses clients (Sécurité financière)
  • The Court of Appeal authorizes an insurer to institute a subrogatory recourse as a preventive measure
  • Liability Insurance and Reconstituted Families: Where Does the Court of Appeal Stand?
  • The Mont Saint-Sauveur Case: Is the Court of Appeal Thinking Outside the Box in the Assessment of Damages?
  • A decision “of interest” from the Court of Appeal of Québec
  • When a tree falls: The Supreme Court of Canada confirms the large and liberal interpretation that must be given to Quebec’s Automobile Insurance Act
  • The insurer's duty to defend and indemnify: a new judgment of the Quebec Court of Appeal
  • To What Extent are Insurers Required to Cover Premises where Criminal Activities are Conducted?
  • Legal newsletter for business entrepreneurs and executives, Number 19
  • The Robinson Case: The Final Chapter
  • Supreme Court of Canada agrees to hear Réjean Hinse appeal
  • Legal newsletter for business entrepreneurs and executives, Number 22
  • Civil law interpretation : Does coverage under a builder’s risk insurance policy extend to an existing structure?
  • The Supreme Court of Canada will not review the duty of the insured to collaborate
  • Judge blows whistle to put a stop to checks from behind: $8,000,000 awarded to a quadriplegic hockey player
  • The Québec Court of Appeal rules on the duty to defend and the exclusion of liability assumed by contract
  • $8 million awarded to a quadriplegic hockey player: the Court of Appeal confirms the Superior Court's decision
  • The Superior Court of Québec rules on the insurable interest of someone
    who acted as a nominee in the context of the acquisition of a property

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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