TREADSTONE LAW · ONTARIO · DIGITAL LEGAL SERVICES · EST. MMXXI ·TSL
Home/Case Studies/Litigation
№ 28 Case Study — Litigation

A Partial Summary Judgment Gets a Cobourg Contractor Paid Sooner

When a client refused to pay a $230,000 industrial installation invoice, a full trial was two years away. A motion to decide the undisputed part early changed the timeline entirely.

Litigation6 min readCobourg, OntarioStrategy choices
All Litigation case studies
ClientIfrah and Beth, co-owners of a small industrial millwright business in Cobourg
The issueA client withheld a $230,000 invoice balance over disputed defect claims
ServiceCivil litigation — breach of contract, partial summary judgment motion
ResolutionUndisputed portion recovered early; remainder settled at a negotiated compromise

The situation

Ifrah had run her millwright business out of Cobourg for eleven years, installing and maintaining industrial equipment for manufacturers across the region. Her wife Beth co-owned the company on paper and kept the books in the evenings around her day job as an IT support lead, but the technical work and the client relationships were Ifrah's. The business was small — five employees, steady contracts, careful cash flow — the kind of operation where one unpaid invoice can strain payroll for months.

In the spring, the company completed a large installation project for a manufacturing client, replacing a production line's conveyor and drive systems in two phases. The total contract value was about $230,000. Phase one, covering equipment procurement and the initial mechanical install, was signed off by the client's site manager without complaint. Phase two, the drive system commissioning, ran into disagreement almost immediately: the client's production line experienced intermittent stoppages in the weeks after commissioning, and the client's owner, Emily, concluded the stoppages were caused by faulty installation work.

Emily's company stopped paying. Not just the disputed phase-two work — the entire outstanding balance, including the phase-one work that had already been approved. Ifrah's invoices went unanswered for two months, then a letter arrived from Emily's lawyer alleging the installation was defective and reserving the right to claim damages for lost production.

Ifrah tried calling Emily directly first, the way she had resolved every disagreement with a client for a decade. Emily was polite but firm: her production line was down, her own customers were asking questions, and she was not writing a cheque for anything until an independent engineer told her what had actually gone wrong. Ifrah understood the frustration, but she also had five employees expecting paycheques and a business bank account that could not absorb a $230,000 gap indefinitely.

The legal problem

Ifrah came to Treadstone Law with a straightforward-sounding question: how do we get paid? The answer was less straightforward. A breach of contract claim for the full $230,000 would go to the Superior Court, since the amount exceeded the Small Claims Court limit. A civil action of that size, if it went the distance, typically takes well over a year from statement of claim to trial — often closer to two, once examinations for discovery, expert reports, and scheduling delays were factored in. For a five-person company, waiting two years to collect a debt that size was not a viable plan; it could sink the business long before any judgment arrived.

The complicating factor was that Emily's company was not disputing everything. Its lawyer's letter focused entirely on the phase-two commissioning work — the alleged cause of the production stoppages. Nothing in the correspondence challenged phase one: the procurement costs, the mechanical installation, the site manager's written sign-off. That $90,000 portion of the outstanding balance had no genuine dispute behind it at all. The remaining $140,000 covered the phase-two work Emily's company said was defective, and it was already floating a counterclaim for roughly $120,000 in lost production time.

Filing one lawsuit and litigating the whole $230,000 as a single dispute would mean the clearly-owed $90,000 sat frozen behind the same discovery schedule, expert reports, and trial date as the contested $140,000. There was a faster route for the part that was not genuinely in dispute.

Beth, reviewing the file with her IT support background rather than a legal one, asked the obvious business question: why should the part nobody disagrees about move at the same speed as the part everybody disagrees about? It was the right instinct, and it happened to match a procedural tool that exists for exactly that situation.

What we did

  1. Filed the claim and immediately identified the undisputed slice. Our team issued a statement of claim for the full $230,000, but reviewed the correspondence and sign-off records closely to isolate the $90,000 phase-one balance as a portion no defence had actually challenged.
  2. Brought a motion for partial summary judgment. A partial summary judgment motion asks the court to decide part of a claim without a full trial, where the evidence shows there is no genuine issue requiring one — while the remaining, genuinely contested part proceeds to trial in the ordinary way. Because the phase-one sign-off was in writing and the defence had not identified any factual dispute about that portion, it was a strong candidate for early judgment rather than a two-year wait.
  3. Assembled the motion record around documentary proof, not testimony. The sign-off email, the phase-one invoice, and the payment history for earlier, similar phase-one work on prior projects were put before the court in affidavit form. The goal was to make the absence of any real dispute obvious on paper, which is what these motions require — a genuine factual disagreement, even a modest one, sends the whole question back to trial.
  4. Kept the phase-two dispute on a separate track. We did not try to fold the commissioning defect allegations into the same motion. Whether the stoppages were caused by installation error, equipment malfunction, or the client's own operating changes was a real factual dispute that needed discovery and, likely, expert evidence — exactly the kind of issue partial summary judgment is not meant to shortcut.
  5. Used the judgment as leverage once it was granted. The court granted judgment for the $90,000 phase-one balance, finding no genuine issue for trial on that portion, and ordered Emily's company to pay it. With that money collected and the case narrowed to the $140,000 phase-two dispute and the counterclaim, we opened settlement discussions from a materially stronger position — the client had already lost the argument that nothing was owed.
  6. Negotiated the remainder rather than proceeding to a full trial on the narrower dispute. With expert evidence on both sides pointing to a mix of factors behind the stoppages, and litigation costs continuing to accrue for both parties, we recommended a negotiated resolution rather than a trial with genuinely uncertain outcome on the technical cause.

The outcome

The partial summary judgment motion succeeded, and Ifrah's company collected the undisputed $90,000 within a few months of filing — long before a conventional trial timeline would have delivered anything. That recovery alone stabilized payroll and let the business keep operating normally while the harder dispute continued.

The remaining $140,000 claim, and Emily's roughly $120,000 counterclaim for production losses, went to a negotiated settlement rather than trial. Ifrah's company recovered an additional $70,000 of the disputed amount, and in exchange agreed to cover the cost of a minor commissioning adjustment that both sides' experts agreed could have contributed to the stoppages. Total recovery came to about $160,000 of the original $230,000 owed — roughly seventy percent, arrived at without the cost, delay, and uncertainty of a full trial on the technical dispute.

It was not a complete win. Ifrah's company did not collect the full contract value, and had to absorb the cost of the commissioning fix as part of the compromise. But the partial summary judgment motion changed the shape of the entire case: it converted a single, slow, all-or-nothing lawsuit into one clean early recovery and one narrower, faster-resolving dispute, and it meant Ifrah negotiated the hard part from a position where the other side had already lost the argument that the whole invoice was in question.

What you can learn from this

  • When a client disputes only part of an invoice, treat the undisputed part as a separate legal question. A partial summary judgment motion can resolve it years before a full trial would.
  • Written sign-offs matter enormously in contract disputes. A signed approval on phase one gave the court clear documentary proof with no genuine factual dispute behind it.
  • Partial summary judgment works best on clean, documentary questions — it is not a shortcut for disputes that turn on competing technical evidence, like the cause of an equipment failure.
  • Narrowing a case changes negotiating leverage. Winning the undisputed portion early meant the harder dispute was negotiated from strength rather than uncertainty.
  • A partial win that recovers most of what is owed without years of litigation cost is often the better business outcome than holding out for a full trial verdict.
This case study is entirely fictional. It does not describe any real client, file, or matter handled by Treadstone Law, and it is not a real file with details changed. All names, people, properties, businesses, dollar amounts, dates, and events are invented, and any resemblance to a real person, business, or situation is coincidental. Fictional scenarios like this one illustrate the kinds of legal issues people in Ontario commonly face and how a lawyer can help. They are general information, not legal advice — no two matters unfold the same way, and nothing here predicts the outcome of any real case. Reading a case study does not create a lawyer-client relationship. If you are facing something similar, speak with a lawyer about your specific circumstances.

This is a litigation problem we handle

Start a file online — flat, published fees, reviewed by a licensed lawyer before a dollar is owed.

ContactStart a File →