Recognized in Best Lawyers since 2021 
Jeffrey Long is the leader of Koskie Minsky’s Construction Group and the Firm’s Managing Partner. Jeffrey manages a dynamic advocacy practice specializing in commercial and construction litigation with an unrelenting delivery of effective and strategic legal counsel.
Named as one of Canada’s Best Lawyers for the past several years, Jeffrey has over 30 years of experience and represents many of Ontario’s largest builders, general contractors, subcontractors, trade unions, and employee benefit trust funds. Selected as member for the special Advisory Group for the Attorney General of Ontario, Jeffrey provided advice for the Construction Lien Act review and creation of the Construction Act.
He also manages an active commercial litigation practice focused on plaintiff’s claims and shareholder disputes. Jeffrey appears regularly before various courts and has accumulated extensive experience in trial advocacy, appeals, negotiations, and dispute resolution relating to shareholder and partnership disputes, real estate development, and many complex commercial matters.
A graduate of Osgoode Hall Law School and practising since 1992, Jeffrey has conducted numerous seminars, spoken on various construction topics at the CBAO and other construction industry events, and is the author of the Construction Law Bar Admission Course materials.
