Program Chairs

Jason Annibale

Partner, McMillan LLP

Sandra Astolfo

Partner, WeirFoulds LLP

Eligible for

LawPRO Risk Management CreditGold Seal Certification SCEAU D'OR: Canadian Construction Association

In the face of ongoing impacts from global events and market uncertainty, the laws and rules governing construction liens in Ontario are constantly evolving, increasingly challenging and highly technical.

To achieve the best results for your client in this challenging area – and to avoid costly missteps – you must keep current on the latest in law and practice.

Developed for experienced industry professionals and their advisors, this intensive program will give you a practical understanding of how to navigate the crucial elements and changes affecting construction liens processes in Ontario.

You will learn the latest insights and tips from multi-disciplinary experts, 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

Key updates, impacts and best practices for 2023 – includes ongoing impacts from the pandemic and other global events and crises and top tips for virtual proceedings

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

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

Oddball and other liens, including the non-lienable

What is the liability for exaggerated liens?

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

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 capital repairs, maintenance, construction management, design services, union work

Please Note: Registration includes access to three online modules Construction Liens in Ontario: The Essentials, Ted’s Lien Talk: Key Changes to Complex Liens under Ontario’s Construction Act, and Breach of Trust and Companion Remedies: Moving Beyond the Usual and Other Risks (available on demand on April 3, 2023).

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

Program Advisor

Geza Banfai

Counsel, McMillan LLP


Program Agenda

Chairs’ Welcome, Remarks and Overview (9:00 a.m. ET)


Available course sections

Recorded: Apr 11, 2023

$695 + Tax

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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John Vanos

Manager of Project Management, Physical Resources, University of Guelph

“Lots of good information [and] insights. All speakers were appropriate for and well informed on the topics of the program. I was very pleased with the [online] program – convenient and did not require any additional travel or accommodations.”

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.
Substantive5h 45m
Total6h 45m
Substantive (Primer Only)30m
Professionalism (Primer Only)2h 45m
Total (Primer Only)3h 15m
Gold Seal Certification1 credit
LAWPRO Risk Management CreditYes

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

Do you have an LLB/JD? Consider taking a single LLM course for deeper learning in a specific area of practice – all credits will apply towards a Professional LLM.

Frequently Asked Questions

Client and Technical Support

Have questions? Get advice in person, by email or over the phone.

Online Technical Requirements

To ensure you do not encounter any issues that will impact or limit your learning experience, please review the following information.