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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Business & Commercial Law Ontario » Business Litigation Guides Ontario » How to Resolve Disputes Over Commercial Equipment Leases When the Machinery is Defective in Ontario

How to Resolve Disputes Over Commercial Equipment Leases When the Machinery is Defective in Ontario

27 Jun 2026 4 min read No comments Business Litigation Guides Ontario
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In Ontario, resolving a commercial equipment lease dispute over defective machinery often requires suing the original supplier at the Superior Court of Justice. Because of standard “hell or high water” clauses, you generally must keep paying the financing company while the lawsuit is ongoing, with initial litigation costs starting around $3,000 to $5,000 CAD.

Handling Defective Commercial Machinery Leases in Ontario

Running a manufacturing or service business requires reliable machinery. When you lease an expensive piece of equipment, like a CNC machine or a commercial printing press, you expect it to work. If the machinery continually breaks down, it can completely halt your operations and cause massive financial losses. Unfortunately, in commercial leasing, the company that financed the equipment is usually different from the company that built it. 📍

In Ontario, commercial equipment leases are heavily weighted in favour of the financing companies. Most leasing contracts contain a “hell or high water” clause, which means your legal obligation to pay the monthly lease continues absolutely, regardless of whether the equipment actually functions. Navigating this business litigation requires a strategic approach to hold the correct party accountable without ruining your company’s credit. 📝

Step-by-Step Process for Equipment Lease Litigation

Litigating a commercial equipment lease dispute requires separating your financing obligations from your warranty rights. Whether your factory is located in Windsor, Mississauga, or Toronto, the process generally follows these steps through the provincial court system. 💼

Step 1: Review the Lease and Purchase Agreements

The very first step is to have a commercial lawyer review your contracts. You will typically have two agreements: the lease agreement with the finance company, and the purchase or warranty agreement with the original supplier. Your lawyer will look for warranty disclaimers and confirm if a “hell or high water” clause is actively forcing you to pay the financier. 📋

Step 2: Document the Defects and Financial Losses

You must build a strong evidence file showing that the machinery is defective. Keep a detailed log of every breakdown, save all emails asking for repairs, and keep receipts for any lost materials or cancelled customer orders. This will be the foundation of proving your economic loss in court. 💸

Step 3: Send a Formal Demand Letter

Before launching a lawsuit, your law firm will send a formal Demand Letter to the equipment supplier and manufacturer. This letter will outline the mechanical failures, demand immediate repairs or replacement, and state your intention to sue for breach of contract and lost profits if they refuse to honour their warranty. ✉

Step 4: Hire an Independent Expert

In commercial litigation involving specialized machinery, a judge will need expert testimony to understand why the equipment failed. You may need to hire an independent mechanical engineer to inspect the defective machinery and write a formal report proving that the issue is a manufacturing defect, rather than improper use by your employees. 🔍

Step 5: File a Statement of Claim

If the supplier refuses to replace the equipment, you will file a Statement of Claim at the Superior Court of Justice. You will generally sue the supplier for breach of the Sale of Goods Act or breach of warranty. In some complex cases, you may also name the finance company if they had a closely linked relationship with the supplier. ⚔

Step 6: Continue Payments Under Protest

While the lawsuit is ongoing, it is usually highly advised to continue making your monthly lease payments to the finance company “under protest.” Stopping payments can trigger severe default penalties, allowing the finance company to seize your other assets or sue you directly. You will instead seek to recover these wasted lease payments as damages from the supplier at trial. 💰

How Much Does it Cost in Ontario?

Commercial litigation is a significant investment. You must weigh the cost of suing against the value of the defective machinery and your lost business profits. 💵

Expense TypeDescriptionEstimated Cost (CAD)
Court Filing FeesTo issue a Statement of Claim at the Superior Court of Justice.$243
Lawyer Fees (Initial Phase)Reviewing contracts, drafting demand letters, and filing the claim.$3,000 – $7,500
Expert Witness ReportRetaining an engineer to prove the machinery is defective.$3,000 – $10,000+
Full Trial CostsTaking a commercial dispute all the way to a final judge’s decision.$30,000 – $100,000+

Many law firms in Ontario charge between $350 and $700 CAD per hour for complex commercial litigation. If your claim is under $50,000, you can use the Small Claims Court, which drastically reduces legal fees.

How Long Does the Process Take?

Resolving a dispute over defective commercial machinery requires patience. Sending a demand letter and negotiating a settlement or replacement can sometimes resolve the issue within 2 to 4 months. ⏳

However, if the supplier refuses to take responsibility and a full lawsuit is required, the timeline extends significantly. Navigating the discovery process and getting a trial date at the Superior Court of Justice typically takes 2 to 4 years in Ontario.

Frequently Asked Questions (FAQ)

What is a “hell or high water” clause?

This is a standard clause in commercial finance leases stating that the lessee must make all rental payments unconditionally. Even if the equipment breaks down, is destroyed, or is completely defective, you must keep paying the finance company “come hell or high water.”

Does the Consumer Protection Act help my business?

Generally, no. The Ontario Consumer Protection Act only applies to individuals buying goods for personal, family, or household use. If you leased machinery for a commercial business, you are governed by commercial contract law and the Sale of Goods Act, which offers less automatic protection.

Can I just return the defective machine to the supplier?

You cannot simply drop it off and stop paying if it is financed. Because the finance company technically owns the equipment, returning it without a formal agreement is often considered a default on your lease, triggering massive financial penalties.

What if the manufacturer is in another country?

Litigating against foreign manufacturers is highly complex. If the machine was built in Asia or Europe, your Ontario lawyer will usually focus on suing the local Canadian distributor or supplier who sold you the machine, as it is much easier to enforce a court judgment against a local company.

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