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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » London Legal Guides » Criminal Defence & Traffic Offences London » How to appeal a criminal conviction in London?

How to appeal a criminal conviction in London?

16 May 2026 4 min read No comments Criminal Defence & Traffic Offences London

If you are convicted of a criminal offence in London, you have the right to appeal. You generally have exactly 30 days from the date of your sentencing to file a Notice of Appeal. Summary convictions are appealed locally at the Superior Court of Justice, while serious indictable offences must be appealed to the Court of Appeal for Ontario in Toronto.

Hearing a judge pronounce you “guilty” in a London courtroom is a devastating moment, but it is not necessarily the end of the legal road. 📖 The Canadian criminal justice system has built-in mechanisms to correct errors. If you believe the trial judge misunderstood the evidence, applied the law incorrectly, or handed down a sentence that was excessively harsh, you can file an appeal.

However, an appeal is not simply a “do-over” of your trial. You cannot just ask a new judge to look at the same evidence and hope they like you better. To succeed, your law firm must identify specific, arguable legal errors made during the original trial. Appeals are highly technical, strictly timed, and require specialized appellate lawyers to navigate the complex procedural rules.

Step-by-Step Process in London, Ontario

The route your appeal takes depends entirely on how the Crown Attorney elected to proceed with your original charges. 📍 Minor charges (summary convictions) stay in London, while major charges (indictable offences) go to the highest court in the province.

Step 1: Identify Grounds and Jurisdiction

First, you must determine what type of offence you were convicted of. If it was a summary conviction (e.g., minor theft, simple assault), your appeal will be heard by a judge at the Superior Court of Justice located at 80 Dundas Street in London. If it was an indictable offence (e.g., severe sexual assault, drug trafficking), your appeal goes to the Court of Appeal for Ontario (ONCA) in downtown Toronto.

Next, your lawyer must identify the “grounds” for appeal. 💼 This usually involves proving an error of law (e.g., the judge allowed illegally obtained evidence) or an error of fact (e.g., the judge completely ignored crucial testimony). You can also appeal just the severity of the sentence without appealing the guilty verdict itself.

Step 2: Order Trial Transcripts and File the Notice

You have exactly 30 days from the date you were sentenced (not the date you were found guilty, if they are different) to formally file a Notice of Appeal. If you miss this deadline, getting an extension is extremely difficult and rarely granted.

To proceed, you must order official transcripts of your original trial from the court reporters. 📑 The appellate judges need to read exactly what was said during the trial. Ordering transcripts is mandatory and forms the foundation of your “Appeal Book” and “Factum” (your lawyer’s written legal argument).

Step 3: Apply for Bail Pending Appeal (Optional)

If you were sentenced to serve time in jail, filing an appeal does not automatically pause your sentence. You will be sent to a provincial detention centre like the Elgin-Middlesex Detention Centre (EMDC) unless your lawyer successfully applies for “Bail Pending Appeal.”

To get bail during the appeal process, your lawyer must convince a judge that your appeal is not frivolous, that you will surrender into custody when required, and that you are not a danger to the London public. 👮

How Much Does it Cost in London?

Appeals are often more expensive than the original trial because they require extensive reading, research, and transcript fees. 💰 Here are the typical costs associated with appealing a conviction.

Court Transcripts$5 – $8 CAD per page (Can total thousands of dollars)
Lawyer Retainer (Summary Appeal)$5,000 – $10,000+ CAD
Lawyer Retainer (ONCA Indictable)$15,000 – $30,000+ CAD
Court Filing FeesVaries (Usually under $100 CAD or waived for Legal Aid)

How Long Does the Process Take?

The appeal process is notoriously slow. ⌚ Just waiting for the court reporters to type up the trial transcripts can take 3 to 6 months. Once all the legal factums are filed, it usually takes another 6 to 12 months to get a hearing date. Overall, expect the process to take 1 to 2 years before a final decision is rendered.

Frequently Asked Questions (FAQ)

Can I use Legal Aid for an appeal?

Yes, but Legal Aid Ontario has a specialized “Appeals Committee” that must review your case first. They will only fund the appeal if they determine that your case has a reasonable chance of success.

Can I bring new witnesses to the appeal?

Generally, no. Appeals are based entirely on the transcript of the original trial. You can only introduce “fresh evidence” in extremely rare circumstances, such as if the evidence was completely unavailable during the trial and could have changed the outcome.

What happens if I win the appeal?

If the appellate judges agree with your lawyer, they will usually “quash” (cancel) the conviction. They will then either substitute it with an acquittal (meaning you are free) or, more commonly, order a brand new trial with a different judge.

Can the Crown appeal if I am found not guilty?

Yes. Just as you can appeal a conviction, the Crown Attorney can appeal an acquittal if they believe the trial judge made a significant error in applying Canadian law that led to your freedom.

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