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Malpractice Center

Best Medical Malpractice Lawyers in Ottawa, ON (2026)

This evidence-based 2026 list weighs practice focus and published results to rank Ottawa medical malpractice lawyers, while also considering reviews and firm history.

Sources checked

5 lawyers and firms

Canadian Parliament Buildings in Ottawa
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The short answer

Our featured firm in Ottawa is Diamond & Diamond Lawyers LLP, where Jeremy Syrtash leads the medical malpractice group. Among the firms we reviewed, Gluckstein Lawyers stands out with its long history and client reviews backing that position alongside recognition in personal injury law. Find out who handles medical injuries like yours before calling, and check how the fees work. Ask the firm: can it assess your limitation period promptly? The provincial rules appear in the Ontario malpractice guide.

At a glance

  1. 1Diamond & Diamond Lawyers LLPJeremy SyrtashFeatured
  2. 2Gluckstein LLPFree consultation4.8 out of 5
  3. 3Tierney Stauffer LLPFree consultation4.8 out of 5
  4. 4Bergeron Clifford5.0 out of 5
  5. 5Nelligan Law4.7 out of 5

Best Medical Malpractice Lawyers in Ottawa

  1. Featured
  2. Gluckstein LLP logo2

    Gluckstein LLP

    4.8168 Google reviewsRated 4.8 out of 5 on Google from 168 reviews

    Best for: Birth injury and HIE claims

    Gluckstein Lawyers was founded in 1962, and that long history supports its birth injury and medical malpractice practice, with HIE and cerebral palsy claims listed on its site alongside surgical errors and other medical injuries. Reviews often mention clear explanations and compassionate care, but some report slow intake responses (a concern when time is tight). This list includes no published malpractice results.

    CallWebsiteFree case reviewIs this your firm?
    How they were picked

    Stood out in our review for its years of experience and the recognition it has earned.

    We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made

  3. Tierney Stauffer LLP logo3

    Tierney Stauffer LLP

    4.884 Google reviewsRated 4.8 out of 5 on Google from 84 reviews

    Best for: Hospital and nursing home claims

    If your family is concerned about hospital negligence or nursing home neglect, Tierney Stauffer LLP's site lists both, making the firm worth considering for either setting. Misdiagnosis and wrongful death claims also appear on its site. The firm has an Ottawa office (it was founded in 1982).

    CallWebsiteFree case reviewIs this your firm?
    How they were picked

    Stood out in our review for its years of experience and what its clients say.

    We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made

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  5. Bergeron Clifford logo4

    Bergeron Clifford

    5.0186 Google reviewsRated 5.0 out of 5 on Google from 186 reviews

    Best for: Clients wanting plain-language explanations

    One reviewer of Bergeron Clifford Injury Lawyers says the firm used language everyone could understand, without making promises it couldn't keep. Other reviews likewise describe communication that's clear and care that respects clients. Although reviews don't prove malpractice outcomes, the firm's 5.0 Google rating draws on a substantial base of 186 reviews.

    CallWebsiteFree case reviewIs this your firm?
    How they were picked

    Stood out in our review for the recognition it has earned and what its clients say.

    We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made

  6. Nelligan Law logo5

    Nelligan Law

    4.7291 Google reviewsRated 4.7 out of 5 on Google from 291 reviews

    Best for: Misdiagnosis and surgical error claims

    Read Nelligan Law's reviews with care: some cover employment matters rather than medical negligence. One reviewer says they were disappointed by the amount left after legal fees in an employment dispute. Ask the firm to explain costs clearly.

    CallWebsiteFree case reviewIs this your firm?
    How they were picked

    Stood out in our review for its years of experience and what its clients say.

    We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made

Where they are in Ottawa

What clients say about these Ottawa lawyers

Google reviews of the firms on our lists, quoted as their clients wrote them and linked to where they were posted. We don't write, edit or pick reviews for pay.

  • Rick F.

    October 2026 · Ottawa, Ontario

    “Great team of professionals and excellent knowledge from our lawyer Warren. Helped guide us through the most difficult times. There are so many things a family doesn’t know when it comes to dealing with a catastrophic injury. Warren was so clear on the options ahead of us and how they would impact the settlement...”

    About Bergeron CliffordGoogle reviewRead it on Google

  • Ashley E.

    October 2026 · Ottawa, Ontario

    “I have had the pleasure of working with Erin McEwen, an outstanding Trademark Agent at Nelligan Law, for several years. Erin consistently provides exceptional, high-quality, and timely support on our clients’ trademark matters in Canada. In addition to her impressive professionalism and expertise, Erin is wonderful...”

    About Nelligan LawGoogle reviewRead it on Google

  • Andrea K.

    March 2026 · Ottawa, Ontario

    “All the praises go out the the team at Gluckstein Personal Injury Lawyers. My sister started the file with you as I was unable to communicate. Thank you for working with her and getting my file started right away, until I was able to work with the TEAM. Gluckstein worked very hard and making sure I was compensated...”

    About Gluckstein LLPGoogle reviewRead it on Google
See all reviews
How a malpractice claim usually moves in Ontario

  1. 1.Something went wrong

    Write down dates and names while they're fresh.

  2. 2.Get your records

    Ask for your full chart and test results.

  3. 3.Free case review

    A lawyer looks at what happened, free.

  4. 4.Medical opinion

    A doctor checks whether the care fell short.

  5. 5.Start the claim in time

    Your lawyer starts the claim before the deadline.

  6. 6.Settlement or trial

    Many claims settle. Some go to a judge or jury.

Your deadline: 2 years from when you found outRead the Ontario law guide

Malpractice claims in Ottawa: the rules that matter

The filing deadline in Ontario
  1. The clock startsWhen you found out, or should have
  2. Time to start a claim2 yearsMiss it and the claim is usually lost.
  3. At the very most15 yearsafter the treatment, with a few exceptions
Limits on damages in Ontario
  • Pain and sufferingCapped at about $484,330
  • All damages togetherNo overall cap
  • Expert paperworkNo affidavit or certificate of merit is required to start a claim.

Read the Ontario law guideWork out your own deadline

Basic limitation period in Ontario
2 years
Source
Ultimate limitation period
15 years
Source

Choosing a medical malpractice lawyer in Ottawa

A birth injury claim may need different medical evidence from a surgical error, so look first at the care involved; several firms here list both. When you discuss the cerebral palsy settlements CoganLaw publishes, ask about comparable work and who'd handle your file. Ask about that lawyer's experience, not just how long the firm's been around.

Until a claimant turns 18, the two-year period doesn't run if there's no litigation guardian for the claim; children have different rules. The ultimate period is suspended too when a child's claim arises without a litigation guardian in place. You can't work out the deadline just from your child's birthday.

Use the consultation to get specific answers

  • If it's a birth injury, ask who will assess the chart and delivery notes. How would the firm get the medical opinions your claim would need?
  • Ask the lawyer: have you handled a claim involving this kind of care? Ask what happened in the published cases rather than relying on the settlement amount.
  • Ask how you'll get updates, including who'll answer your questions when the lawyer isn't available. You can read reviews for signs of clear communication, not evidence of malpractice success.
  • Gluckstein Lawyers lists offices in both Toronto and Ottawa, so check where you'd meet the team and who you'd see before arranging a visit.

You can use a free consultation to discuss whether the firm may take your case; it doesn't promise to represent you. Ask what's covered in the meeting. The listings for CoganLaw and WVGB Personal Injury Lawyers mention contingency fees; David Hollingsworth and Associates lists them too. Before you agree, ask what expenses you'd owe and how any fee depends on recovery, including what happens if the claim doesn't succeed. Ask for the proposed terms in writing.

Ontario doesn't require an affidavit or certificate of merit when you start a claim. The court's rules still require you to serve expert reports addressing the standard of care and causation. Have the firm explain how it'd assess that evidence. Be wary of anyone who promises an outcome or wants your signature without explaining the costs. Ask an Ontario lawyer how these rules apply to you, since this is general information rather than legal advice.

Questions people ask

Which firm leads this Ottawa medical malpractice list?
Client reviews and personal injury recognition help put Gluckstein Lawyers first on this list; its history goes back to 1962. The firm's site identifies birth injury and HIE work as part of its medical claims. Some reviewers report that intake responses were slow. Before deciding, confirm which lawyer and office would handle your case, since no published malpractice results are listed here.
How long do I have to start a medical malpractice claim in Ontario?
The basic limitation period runs two years from discovery, not necessarily from treatment. You discover the claim once you know, or reasonably should know, about the injury and the provider's contribution, and know that a lawsuit was appropriate. Ontario claims also face a 15-year ultimate period. Ask an Ontario lawyer to check for any suspension when reviewing your dates.
Does the same deadline apply to a child's birth injury claim?
The two-year period doesn't run while your child is under 18 without a litigation guardian for the claim. If the claim arises while the claimant is a minor without a litigation guardian, the 15-year ultimate period is suspended too, as addressed in Wong v. Lui, 2023 ONCA 272. An Ontario lawyer can explain what these rules mean for your child's claim.
Do I need a medical expert report before starting a claim?
Starting a medical malpractice claim in Ontario doesn't require an affidavit or certificate of merit. The court's rules require expert reports on the standard of care and causation, so you'll still need to serve them. When you discuss the medical records at your consultation, ask how the lawyer would assess them and arrange the necessary reports. You still need those reports to meet the evidence requirements, even though you don't need a filing certificate.
Is there a limit on medical malpractice damages in Ontario?
There's no statutory cap in Ontario on economic losses, which include lost income or future care. Non-pecuniary damages fall under the national judge-made trilogy cap. Although CoganLaw publishes cerebral palsy settlements and WVGB Personal Injury Lawyers lists a surgical malpractice result, you can't use those amounts to predict another claim's outcome. Have an Ontario lawyer explain what the damages rules mean for your losses.

Sources

  1. Limitations Act, 2002, S.O. 2002, c. 24, Sched. B, Government of Ontario (e-Laws)
  2. Claims from minors and the 15-year ultimate limitation period in Ontario, Borden Ladner Gervais LLP
  3. Non-Pecuniary Damages Upper Limits (monthly indexed figures, 2024 to 2026), McKellar Structured Settlements
  4. Key Numbers for 2025 (trilogy cap and indexation), McCague Borlack LLP
  5. Malpractice Center methodology, Malpractice Center

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