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What is a duty to warn & informed consent?

In order to undertake any treatment patients must provide their informed consent.

Medical practitioners owe a duty of care to their patients, and practitioners have an overriding duty is the duty to warn patients of risks associated with treatments and procedures.

In order to have given informed consent patients must be warned of risks associated with treatment or procedure.

Can I make a claim if the doctor failed to warn or obtain my informed consent?

If treatment or a procedure is done without informed consent it is known as trespass to the person and is compensable at law. Noting the exception for emergency treatment.

When must a practitioner warn a patient?

All medical negligence / medical malpractice claims are governed by the Civil Liability Act 2002 (CLA). Section 5H of the Act provides that a practitioner does not have a proactive duty to warn a patient of an obvious risk. An obvious risk is defined by legislation as a “common knowledge” risk.

It was established in Rogers v Whitaker (1992) 175 CLR 479 that practitioners must warn their patients of risks that would in that particular circumstances be of significance to that patient.

How does the duty to warn apply?

If you suffer an injury as a result of an obvious risk and you were not warned you will not be able to make a medical negligence claim as you will be precluded under section 5H.

While it is well established in case law that a practitioner has a duty to warn, duty to warn cases are very difficult to win as the risks that the practitioner has a duty to warn about depend solely on the individual circumstances of the particular case.

There is no set list of risks that practitioners must warn patients of.

Therefore, each case must be assessed on an individual basis. For example, the duty to warn in emergencies is very different to the duty to warn of risks associated with elective treatment.

How to win my case?

To be successful in your failure to warn case you will need to prove the following:

  1. The practitioner owed you a duty to warn
    • You will need to prove that the duty was not an obvious risk
    • You will need to prove that in your circumstances the risk was of significance to you
  2. The practitioner breached that duty to warn
    • You will need to prove that the practitioner did not warn you and you were not informed
  3. The risk was not insignificant, and that injury was sustained
    • You will need to prove that the risk suffered was directly caused by the materialisation of the risk and not some other complication or condition/comorbidity
  4. You would not have agreed to the surgery had you been informed of the risk

See our article What do I Need to Prove to be Successful in my Medical Negligence case?

Why are these cases so difficult?

There are numerous elements that must be satisfied to be successful in a failure to warn case.

The element that makes these cases so difficulty to win is the fourth element, that you would not have undergone the surgery had you know of the risk.

In effect you need to prove your “pre-injury mindset” which is very difficult to do, as in hindsight most people would wish things to have gone differently, but at the time lacked the foresight to actively make an alternate decision.

This evidence is crucial to your claim. This evidence cannot be given by way of a written statement or an oral submission. Strong evidence must be adduced to support the position that had you known you would not have had the treatment.

If you cannot prove the fourth element you will lose your case.

Duty to warn cases are very complex and are often difficult to win. If you believe you have a failure to warn case contact Garling & Co Lawyers for a free case assessment.

Garling & Co Lawyers

Matthew Garling

Matthew Garling is an Accredited Specialist in Personal Injury Law approved by New South Wales Law Society. He is admitted to practice in the Supreme Court of NSW and the High Court of Australia. Matthew is also a member of...
Shaylee C.
09:54 27 Mar 24
I recently had the pleasure of working with Garling and Co on my case, and I must say that their service was truly outstanding. From the initial consultation to the resolution of my case, they... displayed unwavering dedication and professionalism.The outcome of my case exceeded my expectations, and I am incredibly grateful for the hard work and diligence exhibited by Garling and Co. I have no hesitation in recommending this law firm to my family and friends, knowing that they will receive the same level of exceptional service.- Traceyread more
Simona M.
05:11 26 Mar 24
Emma and Rebecca have looked after my husband's workers compensation claim over the last 3 years now. We have had positive outcomes from these claims and are now pursuing a work injury damages claim.... They have been amazing to deal with. They are genuine and empathetic over what has been a very stressful time for myself and my family over these last 3 years. Nothing is ever too much for Emma and Rebecca and they are always available to communicate with. We would highly recommend Garling and Co! Thank you Emma and Rebecca.read more
Donelle L.
01:16 26 Mar 24
So very happy with the service Garling has provided the care and help has eased a lot of worry I had when going through this process . Many thanks to the entire team
S R.
06:56 04 Mar 24
Thank you Garling and Co,For all your help and support, with myself and family going through a very tough process, physically and mentally. The compassion and comfort I've felt, with Garling and Co... representing me, has felt like family.I would highly recommend them, to anyone who is dealing with a Workers Comp issue. They have made a very tough road and process, a very reassuring and secure one, with great communication skills and negotiating to the highest level.Thank you to all the Garling and Co team, I'll be forever grateful, for all your assistance throughout this process.Kind regards, Scottread more
Kimberly B.
23:14 14 Feb 24
Mathew is very knowledgable and has been of great assistance to me. All the staff are friendly and helpful. I'm so happy I found this firm.Thank you Mathew and team for your great work in my case.... I am 100% happy with what you achieved for me.read more
Julie M.
10:16 16 Jan 24
My last stage of Workers compensation claim was managed by Emma Perkins, Natasha Stojanovic, Rebecca Dunshea and Kelli Robinson at Garling and Co. Lawyers who went the extra mile with their service... from the beginning to the end of 3 years of my case. I have become very anxious with almost everything after a workplace injury and a lot of times I probably ask more questions than I need to, but Emma Perkins always finds clear answers to my questions in a short time and explains to me patiently even using her mealtime or between her meeting and make me feel that I have been very well take care and supported. I am so grateful and extremely satisfied. The excellent service, attitude, and culture of Metthew Garling and his team are second to none with a very high success rate. If you going to battle with your workplace injury for a short or long period, you are better off with Garling and Co. lawyers who are able back you up every step of the way. I strongly recommend it to anybody who needs their service like me. Julieread more
patrick P.
01:46 19 Dec 23
I like to say that I had a very wonderful experience,And the support, and also understanding with all my requests,I could not ask for a better team!Thank you Emma and also her assistant Rebecca... thank youread more
Kazi H.
13:38 13 Dec 23
Work cover fund is GOVT’S money but insurer think that it is from their 14th generation. So only they can have it. Not only that, people from the work, IME doctor from insurer, back to work... coordinator from work, Rehab provider from any side push the worker as hard as possible that the worker (doesn’t matter how the workers mental or psychical condition) either go back to his pre injury duty or leave the job.More over on that very bumpy any difficult journey some of them only treat the worker as a MONEY MAKING MECHINE .in some point worker feels like, no rooms to breath. On that moment need someone to support legally, someone to care, someone to relive.On my case I believe that, somehow, I manage to make my God happy. That’s why God sends me to Matthew Gerling and his team Allison, Rebecca and Nathan, and all of GARLING & co Lawyers.I am not good enough in English, can’t express my gratitude.Matthew, Allison, Rebecca and Nathan, please accept my appreciation and pass it to others.read more
Carol L.
01:32 29 Nov 23
Professional, understanding and friendly
Sean G.
23:21 14 Nov 23
Matthew Garling and everyone I spoke to at Garling and Co were kind, caring and compassionate. They were sensitive to my psychological condition and were patient in explaining everything to me, so... that I clearly understood the legal process. I am exceptionally grateful for the settlement outcome that Garling and Co obtained for me. Many thanks.read more
READ ALL TESTIMONIALS

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Shaylee C.
09:54 27 Mar 24
I recently had the pleasure of working with Garling and Co on my case, and I must say that their service was truly outstanding. From the initial consultation to the resolution of my case, they... displayed unwavering dedication and professionalism.The outcome of my case exceeded my expectations, and I am incredibly grateful for the hard work and diligence exhibited by Garling and Co. I have no hesitation in recommending this law firm to my family and friends, knowing that they will receive the same level of exceptional service.- Traceyread more
Simona M.
05:11 26 Mar 24
Emma and Rebecca have looked after my husband's workers compensation claim over the last 3 years now. We have had positive outcomes from these claims and are now pursuing a work injury damages claim.... They have been amazing to deal with. They are genuine and empathetic over what has been a very stressful time for myself and my family over these last 3 years. Nothing is ever too much for Emma and Rebecca and they are always available to communicate with. We would highly recommend Garling and Co! Thank you Emma and Rebecca.read more
Donelle L.
01:16 26 Mar 24
So very happy with the service Garling has provided the care and help has eased a lot of worry I had when going through this process . Many thanks to the entire team
S R.
06:56 04 Mar 24
Thank you Garling and Co,For all your help and support, with myself and family going through a very tough process, physically and mentally. The compassion and comfort I've felt, with Garling and Co... representing me, has felt like family.I would highly recommend them, to anyone who is dealing with a Workers Comp issue. They have made a very tough road and process, a very reassuring and secure one, with great communication skills and negotiating to the highest level.Thank you to all the Garling and Co team, I'll be forever grateful, for all your assistance throughout this process.Kind regards, Scottread more
Kimberly B.
23:14 14 Feb 24
Mathew is very knowledgable and has been of great assistance to me. All the staff are friendly and helpful. I'm so happy I found this firm.Thank you Mathew and team for your great work in my case.... I am 100% happy with what you achieved for me.read more
Julie M.
10:16 16 Jan 24
My last stage of Workers compensation claim was managed by Emma Perkins, Natasha Stojanovic, Rebecca Dunshea and Kelli Robinson at Garling and Co. Lawyers who went the extra mile with their service... from the beginning to the end of 3 years of my case. I have become very anxious with almost everything after a workplace injury and a lot of times I probably ask more questions than I need to, but Emma Perkins always finds clear answers to my questions in a short time and explains to me patiently even using her mealtime or between her meeting and make me feel that I have been very well take care and supported. I am so grateful and extremely satisfied. The excellent service, attitude, and culture of Metthew Garling and his team are second to none with a very high success rate. If you going to battle with your workplace injury for a short or long period, you are better off with Garling and Co. lawyers who are able back you up every step of the way. I strongly recommend it to anybody who needs their service like me. Julieread more
patrick P.
01:46 19 Dec 23
I like to say that I had a very wonderful experience,And the support, and also understanding with all my requests,I could not ask for a better team!Thank you Emma and also her assistant Rebecca... thank youread more
Kazi H.
13:38 13 Dec 23
Work cover fund is GOVT’S money but insurer think that it is from their 14th generation. So only they can have it. Not only that, people from the work, IME doctor from insurer, back to work... coordinator from work, Rehab provider from any side push the worker as hard as possible that the worker (doesn’t matter how the workers mental or psychical condition) either go back to his pre injury duty or leave the job.More over on that very bumpy any difficult journey some of them only treat the worker as a MONEY MAKING MECHINE .in some point worker feels like, no rooms to breath. On that moment need someone to support legally, someone to care, someone to relive.On my case I believe that, somehow, I manage to make my God happy. That’s why God sends me to Matthew Gerling and his team Allison, Rebecca and Nathan, and all of GARLING & co Lawyers.I am not good enough in English, can’t express my gratitude.Matthew, Allison, Rebecca and Nathan, please accept my appreciation and pass it to others.read more
Carol L.
01:32 29 Nov 23
Professional, understanding and friendly
Sean G.
23:21 14 Nov 23
Matthew Garling and everyone I spoke to at Garling and Co were kind, caring and compassionate. They were sensitive to my psychological condition and were patient in explaining everything to me, so... that I clearly understood the legal process. I am exceptionally grateful for the settlement outcome that Garling and Co obtained for me. Many thanks.read more
University of Technology, Sydney
Member of Law Society of New South Wales
Law Society of NSW Specialist Accreditation
University of Sydney
Legal Profession Admission Board of New South Wales
The law society of nsw professional standards scheme logo.
University of Technology, Sydney
Member of Law Society of New South Wales
Law Society of NSW Specialist Accreditation
University of Sydney
Legal Profession Admission Board of New South Wales
The law society of nsw professional standards scheme logo.
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