Overturning a tribunal panel that measured Hieu by the wrong standard

The situation

Hieu had already been through one hearing, and it had gone badly. A complaint filed by a former colleague, Rodrigo, had been referred to a professional regulatory tribunal responsible for overseeing Ontario surgeons, and after a hearing that ran across several days, the panel found that Hieu had fallen short of the standard expected of him and imposed conditions on his practice that would have limited the procedures he could perform for at least two years. Hieu's own lawyer at that first hearing had argued the facts hard, disputing what had actually happened during the procedure in question, and the panel simply had not been persuaded, preferring Rodrigo's account of the events in question.

By the time Hieu came to us, that approach had run its course. Arguing the facts a second time in front of the same kind of panel was unlikely to produce a different result, and appealing findings of fact to a higher court is genuinely difficult, since courts generally defer to a tribunal's view of the evidence it heard directly. What Hieu needed was someone to look past the facts entirely and ask a different question: had the panel even been applying the right legal test to those facts in the first place, regardless of which version of events it believed.

The stakes were substantial. Hieu ran a busy surgical practice built over more than a decade, and the practice restrictions the tribunal had ordered would have cut deeply into both his income and his referral relationships with other physicians, a loss his second occupational identity as a partner in an engineering consultancy his spouse, Minh, ran on the side could not begin to offset. Taken together, the income at risk over the following several years, between direct practice loss and the reputational damage a public finding like this carries within a professional community where word travels fast, sat somewhere between eight hundred thousand and a million and a half dollars, a wide range but not an unreasonable one given how long practice restrictions of this kind typically last and how much of Hieu's referral network depended on his standing being intact.

What made the file worth pursuing was a specific, technical flaw we found reading the panel's written reasons closely, something Hieu's first lawyer, focused entirely on the facts, appeared not to have looked for: the panel had described and applied a standard that conflated an honest error in surgical judgment, which regulatory law generally treats as something short of misconduct, with a genuine departure from accepted practice, which is treated far more seriously. Those are two different legal tests, and the panel's reasons, read closely rather than skimmed, showed it had never actually separated them.

The legal problem

Professional discipline law in Ontario draws on a distinction rooted in medical negligence cases and applied by analogy in discipline proceedings: a physician's defensible judgment call that turns out badly is not the same as a departure from the standard of care a reasonably competent colleague would have met, and only the latter normally supports a misconduct finding. The two tests sound similar and both can be applied to the same set of facts, but they ask fundamentally different questions. The first asks whether a reasonable surgeon, exercising honest professional judgment in the moment with the information available at the time, could have made the same call. The second asks whether the surgeon's conduct measured up to an objective professional standard, regardless of good faith or time pressure.

Reading the panel's written decision, we found language suggesting the panel had treated Hieu's explanation for his surgical decision as irrelevant to its finding, moving straight to whether the outcome matched what a hypothetical ideal surgeon would have achieved, without ever asking whether Hieu's judgment in the moment had been a reasonable one to make given what he knew at the time. That is the error-in-judgment test collapsing into the standard-of-care test, and it matters enormously, because a surgeon can make a reasonable, defensible judgment call in a fast-moving situation and still have it turn out worse than a different choice would have, without that meaning they departed from accepted practice. Hindsight makes almost any alternative choice look better than the one actually made, which is precisely why the law asks what was reasonable at the time rather than what would have been ideal in retrospect.

An appeal to the Divisional Court from a decision like this one is not a second trial. The court does not re-hear the evidence or decide for itself what happened in the operating room. It reviews the tribunal's reasoning for legal error, and one of the clearest grounds for a successful appeal is showing that the tribunal applied the wrong legal test to the facts it found, because getting the test wrong can produce the wrong result even when every underlying fact is accepted as true. This is a narrower path than simply arguing the panel got the facts wrong, but it is also a more reliable one, because a reviewing court does not need to second-guess who it believes, only whether the panel asked the right question of the facts it had already decided to accept.

That distinction became the entire appeal. We were not asking the Divisional Court to decide the surgery had gone well, and we were careful never to frame the argument that way, since that would have invited a factual re-argument. We were asking it to send the case back to be judged against the correct legal question, one the original panel had never actually asked, regardless of which version of the underlying events turned out to be true.

What we did

1. Obtained the complete hearing transcript and the panel's written reasons and read them line by line specifically for the language the panel used to describe its own reasoning, since a wrong-test argument on appeal lives or dies on the tribunal's own words, not on retrying the facts, and a single loosely worded sentence in a two-hundred-page transcript can be the difference between a viable ground of appeal and none at all.
2. Identified the precise point in the reasons where the panel shifted from discussing whether Hieu's judgment had been reasonable to measuring his conduct against an objective outcome standard, and built a paragraph-by-paragraph timeline showing the panel never returned to the reasonableness question afterward, which let us present the shift to the reviewing court as a clear, traceable pattern rather than an isolated phrase pulled out of context.
3. Filed the notice of appeal to the Divisional Court within the strict deadline the rules set for appealing tribunal decisions, which meant starting the drafting process almost immediately after Hieu retained us, since there was little room to spend weeks deliberating before acting and missing that window would have ended the appeal before it began. That urgency meant drafting began before every supporting document was even in hand, since a late notice could not be cured no matter how strong the underlying argument turned out to be.
4. Managed a significant mid-file disruption when Minh was diagnosed with a serious illness partway through preparing the appeal record, requiring us to request an extension of the filing schedule from the court and reorganize our own preparation timeline around Hieu's reduced availability, keeping the case moving on the pieces that did not require his direct input while giving him room to focus on his family.
5. Drafted the factum around a single, tightly focused legal argument rather than raising every possible ground of appeal, deliberately leaving aside weaker arguments about how the panel had weighed the evidence, because diluting a strong legal-test argument with weaker factual ones tends to weaken both in front of a reviewing court that has limited patience for scattershot appeals. Judges reviewing tribunal decisions tend to reward a factum that makes one argument well over one that spreads its credibility thin across five.
6. Prepared Hieu for the possibility of oral argument before the Divisional Court panel, walking him through how appellate argument differs from a hearing on the facts, since the court would be asking legal questions about the tribunal's reasoning rather than questions about the surgery itself, and Hieu needed to understand he would not be re-litigating what happened in the operating room.
7. Coordinated with Hieu's regulatory affairs contact to confirm the practical effect of a successful appeal, including how quickly any interim practice restrictions could be lifted once a ruling came down, so Hieu could plan his surgical schedule realistically rather than assume an immediate return. That coordination turned an abstract legal outcome into something Hieu could actually act on, letting him quietly prepare referring physicians for a likely timeline rather than guessing at when, or whether, his full practice would resume.
8. Argued the appeal before a three-judge panel of the Divisional Court, focusing entirely on the wrong-test error and asking for the matter to be sent back for a fresh hearing under the correct standard, rather than asking the court to substitute its own finding on the merits, a distinction we returned to repeatedly to keep the argument from drifting into the facts.

The outcome

The Divisional Court agreed that the tribunal panel had applied the wrong legal test, set aside the original finding, and sent the matter back to a newly constituted panel to be reconsidered properly, this time measuring Hieu's conduct against the reasonableness of his judgment in the moment rather than against an idealized outcome. That is a clear win for Hieu: the finding that had triggered his practice restrictions no longer stood, and the restrictions themselves were lifted while the matter went back for a fresh hearing before a different panel of adjudicators.

It was not a finding that Hieu had done nothing wrong. The Divisional Court's decision was about the legal test the tribunal used, not a ruling on the underlying facts, and Hieu still faced a second hearing in front of a differently constituted panel, this time properly instructed on the correct standard. That hearing carried real uncertainty of its own, and Hieu went into it knowing the outcome was not guaranteed even with the legal error corrected, since a properly instructed panel could still, in principle, reach the same conclusion the first one did.

What the appeal did resolve, immediately and completely, was the practice restriction that had been eating into Hieu's income and referral relationships for months. He resumed his full surgical schedule while the reconsidered hearing was arranged, months later than either he or we would have liked given the delay Minh's illness forced into the timeline, but with the flawed finding removed from his record and the correct legal question, at last, in front of the people deciding it. The estimated income and reputational exposure that had sat over the file, in the range of eight hundred thousand to a million and a half dollars, dropped away the moment the restrictions lifted, and Hieu's referral relationships with colleagues, several of whom had quietly held back cases while the finding stood, resumed within weeks of the news becoming known in the local medical community.

Minh's recovery, running in parallel to the file's final months, was slow but steady, and Hieu has said since that the two situations, resolved close together, changed how seriously he now takes keeping his own professional and personal paperwork in better order going forward.

What you can learn from this