Deanna S. Gilbert

Deanna S. Gilbert


Practice highlights


Deanna was raised in the world of personal injury litigation, but chose not to follow in the footsteps of her father, a senior insurance defence lawyer who practiced for 50 years. As someone with a compassionate heart, she wanted to fight for the rights of those who had been seriously injured and their families. Deanna became a trauma lawyer and has dedicated her practice to helping victims of all ages, across all parts of Ontario from Timmins to Windsor, Orangeville to Ottawa. She takes on cases involving car accidents, slip/trip and falls, medical malpractice, and assaults, amongst others.

Deanna’s approach to client management is to keep clients educated and informed about their files, to take the stress out of litigation so clients can focus on their rehabilitation and recovery, and to provide objective, professional legal advice.

Her approach to the litigation is to know the facts, issues, and law better than anyone else on the file, so that she can make persuasive and sound arguments. Deanna has a solid reputation amongst her peers, earning the highest peer rating of AV Preeminent® in Martindale-Hubbell® for her legal expertise, communication skills, and ethical standards. She has been Certified as a Specialist in Civil Litigation by the Law Society of Ontario. Deanna understands that many people do not want to go to trial, but that sometimes it is necessary to do so to obtain fair compensation. Deanna has extensive and successful mediation, in-court, tribunal, and trial experience. Her advocacy has resulted in a number of precedent-setting and reported judicial and arbitral decisions. Deanna is ranked as “repeatedly recommended” in the Canadian Legal Lexpert® Directory and is listed in The Best Lawyers in Canada publication.

As a contributing member to the legal community, Deanna has authored many papers on personal injury litigation, is often invited as a guest speaker at medical-legal conferences, and is regularly contacted by legal news publications for her insight into “hot topics”. Deanna is the Contributing Editor of the Ontario Accident Benefits Case Summaries and a Contributor to the Personal Injury Module both published by LexisNexis Canada Inc. Deanna has also enjoyed volunteering for Holland Bloorview Kids Rehabilitation Hospital, the Brain Injury Society of Toronto, the Toronto Lawyers Feed the Hungry Program, and other causes close to her heart.

In her spare time, Deanna enjoys cooking, dancing, and Muay Thai (but do not expect to see her in a UFC octagon anytime soon).

Year of Call



  • Bachelor of Arts (Honours), Huron University College (2004)
  • Bachelor of Laws, Osgoode Hall Law School (2007)


  • Certified Specialist (Civil Litigation)
  • LEXPERT® Ranked Lawyer
  • Martindale-Hubbell® Ranked Lawyer, AV Preeminent®
  • Listed in The Best Lawyers™ in Canada since 2018
  • The Advocates’ Society
  • Ontario Trial Lawyers Association
  • Ontario Bar Association
  • Canadian Bar Association

Industry recognition




I wanted to send you this note to thank you for representing me in my recent accident claim.

I was very reluctant to pursue legal action in relation to my injury but after our first meeting, I knew I was in good hands. You really made the experience go much smoother than I had anticipated.

Your knowledge and guidance were invaluable. You skilfully guided me through the process of the claim. I am especially grateful for the time and direction you provided. Whenever I had a question, you responded so quickly and no matter how technical, in a manner that was clear and understandable.

The successful outcome of my litigation would not have been possible without you. Thank you for all of your efforts on my behalf.

L. Davidson

I’d like to thank you for all of your efforts on my mom’s behalf. We’d never had the need to make a claim before, so there was a lot to learn in the process of gathering the necessary information and the process of negotiation. Your guidance and patience throughout the process and explanations to all of our many questions certainly was a benefit to our understanding. Your persistence in making sure that the final closing was accomplished in a timely manner and to mom’s benefit is much appreciated. I’d certainly recommend your services to others.

D. Welbourn

This is to confirm that I obtained the services of Deanna Gilbert approximately two years ago. It was obvious to me at the outset that she was not only personable, but extremely organized, knowledgeable and eager to help.

From start to finish I never once felt the need to follow-up as I knew she was totally competent which proved to be true as my case ended better for me financially and sooner that I expected. All along she was open and very clear about my options and her recommendations. It was refreshing to deal with her in general.

I was indeed very satisfied with her services and would definitely hire her in the future should I require her assistance.

P. Dracup

On behalf of our members, staff and Board of Directors for the Brain Injury Association of Niagara please accept our thanks and appreciation for taking the time from your busy schedule to present at our annual conference. Also, please convey our sincere thanks to Thomson Rogers for the ongoing support of our association, and in acknowledgment of your corporate premium contribution of $8,000 that maximized our efforts to make this conference inclusive for individuals with brain injury and their families and caregivers at a subsidized rate, and sponsorship for our two featured keynotes: Dr. Abe Snaiderman and Lois McElravy, along with ensuring the overall quality of the conference.

Once again, thank you for your co-presentation that incorporated valuable insights with respect to the overview of the Statutory Accident Benefits Schedule with respect to the Accident Benefit Changes post September 1, 2010, and Guardianship Rights.

We consider it an honour and a privilege to have been able to include each of you in our stellar cast of presenters, and in acknowledgement of your dynamic joint presentation. Thanks to your combined efforts, in conjunction with Thomson Rogers, our conference was a tremendous success. Thanks again for your ongoing support of our association.

C. Burger

Deanna, I would like to thank you at this time for all your legal advice and assistance pertaining to my car accident. Your legal knowledge in this field and persistence in dealing with my insurance company and the convicted driver was greatly appreciated.

You were able to pursue and obtain valuable information which lead to a successful conclusion of claims against both parties.

Once again your legal expertise and forcefulness ended with a timely and successful conclusion on my behalf.

Thank you for all your assistance.

Cases of note



Civil Liability: When Can The Government Be Held Liable In Negligence For Personal Injury?

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Court of Appeal Overrules Judge's Decision To Strike Case Against Insurance Adjusters in LTD Dispute

Court of Appeal Overrules Judge’s Decision To Strike Case Against Insurance Adjusters in LTD Dispute

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Thomson Rogers takes the Summer Blood Donor Law Challenge 2017

Thomson Rogers Takes the 2017 Summer Law Challenge – Canadian Blood Services

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Deanna Gilbert

ABR Updater: The “Medical and Other Reasons” Required to Justify an Insurer Examination

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iPads for Holland Bloorview Kids Rehabilitation Hospital thumbnail

Thomson Rogers Donates 65 iPads to Holland Bloorview Kids Rehabilitation Hospital

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ABR Updater July 2016 Issue 31 by personal injury lawyer Deanna Gilbert

Litigating Chronic Pain Cases: What Plaintiffs, Health Practitioners, and Personal Injury Lawyers Need to Know

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TR Law

Less insurance coverage may be available to injured accident victims when multiple injured claimants are suing the same at-fault driver

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July 03, 2019

Pedestrian-Motor Vehicle Accidents: Tort & Accident Benefits Law to Know

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April 22, 2016

The New Catastrophic Impairment Definition: Brain Injury In Children

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April 04, 2016

The New Catastrophic Definition: Paraplegia, Tetraplegia, and Severe Ambulatory Impairment

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March 26, 2014

Advancing Pecuniary & Non-Pecuniary Claims Under the Family Law Act

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October 18, 2012

The Anticipated Changes to the Definition of “Catastrophic Impairment”

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June 21, 2012

Making the SABS Work for Your Trauma Patients & Preventing Caregiver Burnout

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October 21, 2010

An Overview of the New SABS & Guardianship: What are My Rights?

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Team Members


September 30, 2022

Collateral Benefits: The Basics to Know When Settling a Personal Injury Claim

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February 01, 2021

Considerations for “participant” and “litigation” experts

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September 28, 2020

The burden of proof: Proving losses and causation

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May 04, 2017

Attendant Care Benefits: The Importance of Documenting Economic Loss

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June 29, 2016

Litigating Chronic Pain Cases: What Plaintiffs, Health Practitioners, and Personal Injury Lawyers Need To Know

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April 18, 2016

Major Accident Benefits Changes Come into Effect on June 1st, 2016

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April 03, 2013

Managing Subrogated Claims in Personal Injury Actions and Subrogation Checklist

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