Program Chair(s)

Jason Annibale

Partner, McMillan LLP

Sandra Astolfo

Partner, WeirFoulds LLP

Geza Banfai

Counsel, McMillan LLP

The laws and rules governing construction liens in Ontario are highly technical, complex and constantly changing.

In order to avoid costly missteps – you must keep current on the latest updates and best practices.

Developed for industry professionals and their advisors, this one-day OsgoodePD program will give you a comprehensive overview of the crucial elements and changes affecting construction liens processes in Ontario.

You will learn from an expert multi-disciplinary faculty, including perspectives from decision-makers. You will work through the lien trial process, obtain valuable resources, discuss best practices, and understand which tactics to use – or avoid – in your lien matters.

Registration includes 120-day unlimited, online access to the recorded program.

What You’ll learn

When do liens arise? When do they expire?

How to recognize and differentiate the various types of liens

The mechanics of how to preserve, register and give a lien – including vacating, discharging and perfecting

What is the liability for exaggerated liens?

Troubleshooting tips – what to do when there are two subcontracts issued to one trade? Federal land?

The mechanics & anatomy of a lien action in Ontario:

  • The class-action like nature of a lien proceeding – includes references and discovery
  • How to set a lien down for trial – and appreciating what this means

How to navigate new rules and laws and conflicts

How to get a trial management hearing outside of Toronto

How to identify gaps in the law and how to fill them in your contracts & subcontracts

To lien or not to lien? How to assess the legal and strategic considerations, including:

  • Interplay between liens and adjudication
  • Relationships in the construction industry and related dynamics
  • Alternatives to liens (other security and dispute resolution procedures)
  • Deciding whether to lien or not after losing at adjudication
  • Monetary limits and minimums – are there amounts too small for a lien?
  • What to do when CRA gets involved?

How to evaluate what’s truly a lienable service, including:

  • What’s the difference between a capital repair and maintenance?
  • Can construction managers have liens in Ontario?
  • What about design professionals?
  • Liens from union workers?
  • Oddball and other liens, including the non-lienable

Please Note: Included in your registration are the online modules (available on demand) – Construction Liens in Ontario: The Essentials and Ted’s Lien Talk: Key Changes to Complex Liens under Ontario’s Construction Act.

Who Should Attend

Construction and in-house lawyers

Litigation and real estate lawyers

Municipal, government and procurement professionals

Owners and developers

Builders and construction professionals

Project managers

Contract managers



Business and finance professionals

Insurance professionals



Program Chairs

Jason Annibale

Partner, McMillan LLP

Sandra Astolfo

Partner, WeirFoulds LLP

Geza Banfai

Counsel, McMillan LLP



 View the program brochure and agenda to see what you’ll learn from leading experts.


Available course sections

Recorded: Feb 22, 2021

$595 + HST

Printable registration form

If a downloadable form is required, please contact

“Is financial assistance or funding available?”

As law evolves, we know how important it is to stay up to date. We also understand the financial implications of continuously upgrading your professional skills and knowledge. For more information on available options, including Job Grants, OSAP, please visit:

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CPD and Accreditation

OsgoodePD is an accredited provider with the LSO, the Law Society of BC and NY CLE Board. Select your location to view the eligible hours you may be able to claim. Listed hours are based on the original live program. Online program viewing varies by jurisdiction, please email or refer to your regulatory body to ensure compliance.

CPD Hours
Contact us for inquiries about other provinces.
Professionalism 1h
Substantive1h 45m
Professionalism 15m

Are you reporting hours from a previous date?

View our CPD & Accreditation page to see previously calculated hours for this course.

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Single Course Enrollment

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Frequently Asked Questions

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Online Technical Requirements

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