Law Society of Ontario v Mwangi, 2026 ONLSTH 138
Richard Mwangi is a criminal lawyer called to the bar in 2010. He agreed to help a colleague by stepping in as agent on a serious criminal matter, drug possession, proceeds of crime, and breach of bail, without ever being formally on the record or holding a written retainer. The colleague remained counsel of record under a legal aid certificate. Mwangi appeared in court, confirmed the trial dates, and filed Charter applications. He was counsel in every practical sense.
The client could not have a cell phone as a condition of bail. Communication had to go through intermediaries: the client’s sister, and at times, the colleague. That arrangement was always fragile. When Mwangi and the colleague had a falling out over money from a separate matter on the Friday before a Monday trial, the arrangement collapsed entirely.
Mwangi sought an adjournment. He relied on client communication difficulties as the reason. He did not disclose that the breakdown with his colleague had disrupted the already imperfect communication chain and was a material reason why he could not proceed. The Panel found that his oral submissions to Justice Breen were materially misleading, not because he was dishonest, the Panel expressly said he was not, but because he withheld a material circumstance that the Court was entitled to consider in deciding whether to grant the adjournment.
A finding on penalty is pending.
The Candour Finding Is Not the Most Important Part of This Decision
The duty of candour to the court is real and the Panel’s finding on that point is defensible. When a judge is actively trying to understand why a two day trial is being adjourned at the last minute, and is exploring whether alternatives exist, counsel cannot withhold something that bears directly on those questions. Mwangi could have disclosed, in general terms, that a breakdown with counsel of record had disrupted his communication arrangement with the client without airing the specifics of the dispute. He did not.
But the candour issue is downstream of a more fundamental problem. By the time Mwangi appeared before Justice Breen on June 20, he had spoken directly with his client exactly once, the previous Sunday. For a blended voir dire and trial involving Charter challenges about the nature of a police search and the client’s right to counsel, challenges that required direct client instructions, one conversation two days before trial was not preparation. It was a starting point.
The Real Issue Is the Communication Arrangement Itself
Mwangi’s ability to prepare his client for a serious criminal matter depended entirely on third parties whose cooperation could not be guaranteed. A sister who relayed messages when available. A colleague whose goodwill evaporated over a payment dispute on an unrelated file. Neither of those people was under any obligation to Mwangi or to the client. Neither of them was reliable in the way that direct lawyer-client communication is reliable.
When you accept conduct of a high stakes matter, whether in criminal law, regulatory proceedings, or any context where the consequences of failure are serious, the communication chain between you and your client cannot depend on the continued goodwill of people who have no formal role in the matter. Informal arrangements are inherently vulnerable to exactly the kind of disruption that occurred here: a personal falling out, a family emergency, an unavailable intermediary. On a low stakes matter that disruption is an inconvenience. On a matter where the client faces incarceration, or licence revocation, or immigration consequences, it can be catastrophic.
Mwangi understood he owed duties to the client and to the Court. He did not walk away when the arrangement broke down. That is to his credit. But by the time he was trying to fulfill those duties, the structural fragility of the arrangement had already made it nearly impossible to do so properly. The adjournment was not the failure. The failure was allowing the representation to reach trial on a foundation that could not support it.
What This Means for Licensed Professionals
Informal arrangements between colleagues are common, particularly in criminal law, where agents appear regularly and legal aid certificates take time to transfer. Most of them work. This one did not, and the reason it did not was not the falling out with Adanja. The falling out simply revealed what was already true: that the communication arrangement was hanging by a thread, and the thread was someone else’s goodwill.
This principle extends well beyond criminal law. In any high stakes professional context, whether a regulatory respondent is defending their licence before the CPSO, the CICC, the OCT, or any other body, the lawyer or representative handling that matter needs direct, reliable, unmediated access to the client. Routing instructions through family members, colleagues, or intermediaries on a matter where the client’s livelihood is at stake is a structural vulnerability. It does not matter how competent the representative is. If the communication chain has weak links, the representation has weak links.
On any file where the stakes are high enough that failure is not recoverable, that is not a thread worth pulling.
FAQ
1. I am a lawyer who regularly acts as agent for colleagues on criminal matters. What are my professional obligations on those files?
The moment you appear in court, confirm hearing dates, or take substantive steps on a file, you are counsel on that matter in every practical and professional sense, regardless of whether your name is on the legal aid certificate or a formal retainer agreement. You owe the client the same duties you would owe on any file you formally hold: competent preparation, direct communication, and the ability to fulfill your obligations to the court. If you cannot meet those obligations because of the structure of the arrangement, the arrangement needs to change before the file reaches a critical stage, not after.
2. My client has difficulty communicating directly with me due to language barriers, custody conditions, or other circumstances. How should I manage that?
Indirect communication through intermediaries is sometimes unavoidable, particularly in criminal matters where clients may be in custody or subject to bail conditions. The problem arises when the indirect arrangement becomes the default rather than the exception, and when the intermediaries involved have no formal obligation to facilitate that communication reliably. Where direct access is genuinely limited, you need to build in redundancy: multiple channels, documented attempts to reach the client, and a clear plan for what happens if the primary channel fails. On a high stakes file, discovering that the communication chain has broken down four days before trial is not a contingency. It is a crisis.
3. A colleague and I have had a falling out that is affecting a shared file. What should I do?
Address it immediately and prioritize the client’s interests above the professional relationship. If the breakdown affects your ability to fulfill your obligations on the file, that is a material circumstance that may need to be disclosed, at minimum in general terms, to the court or tribunal. What you cannot do is continue to advance the matter as though the breakdown has not affected the representation, while withholding from the court information that bears on its ability to make decisions in the client’s interest. The Mwangi decision makes clear that selective disclosure in that context, even without any intent to deceive, can constitute a failure of candour.
4. What should I do if I have been named in a Law Society complaint arising from how I handled a file or communicated with a court or tribunal?
Engage regulatory defence counsel before responding to anything. How you characterize your conduct in early correspondence with the Law Society, what documents you produce, and what explanations you offer can significantly shape the trajectory of the investigation. The Mwangi matter illustrates that even conduct that a panel does not regard as dishonest can still constitute professional misconduct if it falls below the standard of candour the Rules require. Early and properly advised engagement is the most effective way to protect your position.
Anna Tamir is a regulatory defence lawyer and the principal of Tamir Litigation Law Firm in Richmond Hill, Ontario. Her practice focuses on defending licensed professionals before Ontario’s regulatory bodies, including the Law Society of Ontario, the CPSO, the CICC, and others. She can be reached at info@tamirlitigation.com or 416 499 1676, or at tamirlitigation.com.
This commentary is for informational purposes only and does not constitute legal advice.