The Statute of Limitations for Medical Malpractice in Washington State

 

File a medical malpractice lawsuit in Washington state within three years of an injury. If you discover the harm after three years, legal options may still exist.

Timely legal action is critical in medical malpractice cases. Knowing the statute of limitations in Washington can help ensure your right to compensation is not lost.

Key Takeaways

• Medical malpractice claims in Washington must be filed within 3 years of the incident or 1 year after discovering the error.
• Exceptions exist for minors and cases involving fraud or intentional concealment.
• Understanding these time limits is crucial for timely legal action.

Can I Sue for Medical Malpractice in Washington?

Yes. If a healthcare provider in Washington State caused you injury through negligent care, you have the right to file a medical malpractice lawsuit. However, several conditions must be met before a claim can proceed.

First, you must be able to show that the healthcare provider owed you a duty of care, which is established by the existence of a doctor-patient relationship. If you were a patient under their care, this element is typically straightforward.

Second, you must demonstrate that the provider breached the standard of care. This means their treatment fell below what a reasonably competent provider in the same specialty would have done under similar circumstances. Proving a breach of the standard of care almost always requires testimony from a qualified medical expert.

Third, you must show that the provider’s negligence directly caused your injury. A bad outcome alone does not constitute malpractice. Not every surgery with complications, unexpected side effect, or treatment that did not work as hoped rises to the level of negligence. The key question is whether the provider’s actions fell below the accepted standard, and whether that failure caused your harm.

Finally, you must have suffered actual damages, such as additional medical expenses, lost income, physical pain, emotional distress, or diminished quality of life. If all four elements can be established, you may have a valid medical malpractice claim in Washington.

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Could You Still Have Time to File a Washington Medical Malpractice Claim?

Washington medical malpractice deadlines can depend on when the negligence happened, when the injury was discovered, and whether a specific legal exception applies. Use this simple tool as a starting point, not legal advice.

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Do You Have the Proof Needed to Start a Medical Malpractice Review?

A bad medical outcome alone is not always malpractice. Strong claims usually need records, expert review, causation proof, and documented damages.

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Complete medical records from the provider or facility Timeline of appointments, symptoms, tests, treatment, and follow-up care Clear explanation of what the provider did wrong or failed to do Second opinion, new diagnosis, or later provider notes identifying the issue Medical bills, added treatment costs, lost income, or disability documentation Notes about when you first discovered the error or injury cause Names of doctors, nurses, hospitals, clinics, or other providers involved No broad releases or settlement documents signed yet

Start by requesting your records and writing a clear treatment timeline.

What went wrong?

Which Medical Error Best Matches Your Situation?

Different medical malpractice claims require different evidence. Choose the closest situation below to see what may need review.

Misdiagnosis Failure to Treat Informed Consent Surgical or Medication Error Birth Injury Infection or Sanitation

Misdiagnosis claims often depend on timing and missed warning signs.

These cases may involve missed symptoms, delayed testing, failure to refer to a specialist, or a diagnosis that was corrected later by another provider.

• Save test results, imaging, referrals, and follow-up notes.
• Write down when symptoms started and when the correct diagnosis was made.
• Ask whether an expert can identify a breach in the standard of care.

Medical malpractice claims need expert review. Washington cases require thorough medical expert evaluation and testimony to demonstrate a breach in the standard of care.

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Meet Your Washington Medical Malpractice Attorneys

Medical malpractice claims require careful deadline analysis, medical-record review, expert evaluation, and a clear explanation of how the provider’s mistake caused harm.

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David Brown

Helps injured people and families evaluate complex claims, medical proof, insurance issues, and litigation strategy.

Paula McCandlis

Supports clients through medical-record review, claim preparation, provider accountability, and settlement questions.

Matt Conner

Helps injury victims understand legal deadlines, damages, evidence, expert review, and the steps needed to move a claim forward.

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Washington’s Deadline for Filing Medical Malpractice Claims

In Washington State, the statute of limitations for filing a medical malpractice claim is three years from when the medical error occurred, causing injury or illness. However, if the injury or its cause was not immediately apparent, individuals have one year from the date the injury was discovered or reasonably should have been discovered, to file a claim. This ensures that patients have a fair opportunity to seek justice even if the effects of the malpractice are not immediately evident.

Suffering new or worsening injuries after visiting the doctor is one of the last things you’d expect. However, a 2016 study found that medical errors are the third leading cause of death in the United States. Medical providers have a duty to provide a certain level of care to their patients.

Under Washington’s medical malpractice statute, a medical professional may be held liable if their failure to meet this standard results in a patient’s injury. 

The patient must prove that the physician acted negligently in rendering care and that negligence resulted in injury by establishing four legal elements:

• The medical professional owed a duty to the patient,
• They breached that duty, 
• The injury stemmed from the breach, and
• The patient suffered damages because of the breach. 

However, a critical first inquiry to these cases is whether the case falls within the statute of limitations and statute of repose. 

Washington State Medical Malpractice Statute of Limitations

The statute of limitations refers to the time a person has to file a lawsuit. Those that miss the deadline may not be able to recover any damages for their injuries. Revised Code of Washington (RCW) section 4.16.350 sets the time limit to file a medical malpractice lawsuit. Under the statute, victims must file their case by the later of one of two dates: 

• Three years after the medical negligence that caused the victim’s injury or
• One year after the victim discovered or should have discovered the error that caused their injury.

Exceptions apply if the injury victim was a minor at the time of the incident. In that case, the discovery date is determined by when the parent or guardian discovered the malpractice in these cases. 

The Washington State Medical Malpractice Statute of Repose

While Washington state law historically maintained an eight-year statute of repose for medical malpractice claims, this is no longer the case.

Like the statute of limitations, a statute of repose bars certain legal claims if the claimant does not assert the complaint within a specific deadline. While the statute of limitations focuses on the timeliness of action (often tied to when an injury is discovered), a statute of repose focuses on immunizing the at-fault party from long-term liability by creating a strict, absolute outer deadline, regardless of when the victim discovered or should have discovered the injury.

For many years, Washington enforced an absolute eight-year statute of repose for medical malpractice. However, in December 2023, the Washington State Supreme Court struck this law down as unconstitutional. Because of this ruling, Washington no longer enforces a hard eight-year deadline for medical malpractice. Today, victims who do not reasonably discover a provider’s negligence until many years after the fact are not automatically barred from filing a lawsuit, provided they file within one year of discovering the injury.

Tolling the Medical Malpractice Statute of Limitations

Under certain circumstances, the time will stop running on the “clock” of the statute of limitations. In other words, the running of the limitation period is paused by specific events or circumstances. The exceptions apply in cases of fraud or intentional concealment or if the plaintiff is incompetent or cannot understand the nature of the proceedings. Further, good faith requests for mediation may toll the statute of limitations for one year. 

When to Sue for Medical Malpractice

Injury victims should consider suing if they suffered injuries because their healthcare provider breached their standard of care or failed to perform. Many types of negligence may cause harm to a patient. Moreover, the term “healthcare provider” extends to various types of clinicians. 

Under RCW 7.70.020, occupations that qualify as a healthcare provider include:

• Physicians,
• Osteopathic physicians,
• Dentists,
• Nurses,
• Chiropractors,
• Acupuncturists,
• Physical therapists, or
• Psychologists.

Further, hospital systems or facilities that employ the negligent healthcare provider may be liable for negligence. 

What Qualifies as Medical Malpractice

Medical malpractice generally falls under one of several different categories. These categories include the following. 

Misdiagnosis

Misdiagnosis refers to situations where a physician fails to recognize clinical signs and symptoms, order medical testing, or refer the patient to a specialist. 

Failure to Treat

Failure to treat violates the standard of care that healthcare professionals accept when treating a patient. This type of negligence may include releasing a patient too soon, failing to provide follow-up care, or ignoring a patient’s medical history. 

Lack of Sanitation 

Poor hygiene and sanitation practices can lead to serious and potentially deadly infections. Lack of sanitation can occur if medical staff fails to wash their hands, incorrectly disposes of hazardous materials, or fails to sanitize equipment. 

Additionally, surgical errors, medication errors, failure to diagnose, delayed diagnosis, and birth injuries are common forms of medical malpractice. 

These errors can lead to injuries that range in severity and longevity. While some patients may recover after medical malpractice, others may suffer the consequences for the rest of their life. 

Medical Malpractice Based on a Lack of Informed Consent 

In addition to the common forms of medical malpractice, informed consent is a necessary prerequisite to most medical care. Except in extreme cases, Washington State requires healthcare providers to inform and obtain patients’ consent before providing medical care. 

Generally, informed consent consists of providing patients with certain information such as:

• Qualifications of the treating healthcare provider,
• Purpose of the treatment, procedure, or medication,
• Potential risks and complications of the treatment,
• Alternatives to the treatment,
• Chance of the treatment’s failure or success,
• Length of recovery, and
• Estimated cost and insurance coverage of the procedure.

Informed consent is critical to ensuring that patients understand their options and risks. With this information, they can make the best decision for their unique circumstances. The failure to provide informed consent can lead to unwise and unsafe choices. 

Lack Finding the Date That Starts the Filing Period

The statute of limitations for medical malpractice in Washington state can become complicated when care spans multiple appointments. A patient might receive an incorrect diagnosis during one visit, undergo treatment later, and only afterward discover that the earlier medical decision contributed to their condition.

RCW 4.16.350 generally measures the limitations period from the act or omission alleged to have caused the injury while also providing a discovery-based period in qualifying circumstances. Identifying the relevant date may therefore require reviewing the entire treatment history rather than simply using the last appointment.

Medical records, test results, referrals, operative reports, and follow-up notes can help establish when significant events occurred. Creating a treatment chronology early may also help an attorney identify which dates require closer examination.

Discovery Does Not Require a Provider To Admit an Error

Patients should not assume the deadline remains open until a physician or hospital acknowledges wrongdoing. The Washington statute of limitations for medical malpractice also considers when the patient or their representative reasonably should have discovered that the injury or condition resulted from the provider’s act or omission.

A second opinion, unexpected diagnosis, unusual complication, or information contained in medical records could raise questions about earlier treatment. Whether those facts amount to discovery depends on the circumstances.

Because the analysis is fact-specific, investigating concerns promptly is safer than waiting for a healthcare provider to acknowledge a mistake.

Requesting Medical Records Does Not Stop the Clock

Obtaining records can be essential when evaluating a potential malpractice case. However, requesting those documents does not itself pause the statute of limitations for medical malpractice in Washington state.

This distinction matters because a malpractice investigation may involve records from several providers and consultation with medical professionals. Beginning that process shortly before a possible deadline can leave limited time to determine whether the evidence supports legal action.

A Mediation Request Can Affect the Deadline

Washington provides a specific rule for certain mediation requests. RCW 7.70.110 states that making a written, good-faith request for mediation before filing an action tolls the limitations period under RCW 4.16.350 for one year.

This provision should not be treated as an automatic extension. The statute specifically requires a written, good-faith request, so informal settlement discussions should not be assumed to produce the same result.

Filing and Service Requirements Also Matter

Meeting a deadline involves more than preparing a complaint. RCW 4.16.170 addresses when a Washington civil action is considered commenced for limitations purposes.

An action is deemed commenced when the complaint is filed or the summons is served, whichever occurs first. When filing happens first, qualifying service generally must follow within 90 days. Comparable requirements apply when service occurs before filing.

These procedural rules make waiting until the final days especially risky.

Different Providers May Mean Different Dates

Treatment involving several healthcare professionals can make deadline calculations more complex. A primary physician, specialist, surgeon, or hospital may have become involved at separate stages.

Because RCW 4.16.350 ties the limitations analysis to the act or omission alleged to have caused the injury, each provider’s conduct may require individual consideration. For example, an initial diagnostic error and a later failure to respond to abnormal test results could involve different events.

Brett McCandlis Brown & Conner can review the treatment chronology, identify potentially responsible parties, and evaluate which dates may affect a client’s right to pursue compensation.

Were You the Victim of Medical Malpractice in Washington State?

If you or a loved one recently experienced new or worsening injuries after seeking medical treatment, you may have a medical malpractice lawsuit. However, it is imperative that you do not delay in reaching out to an attorney to discuss your claim. At Brett McCandlis Brown & Conner PLLC, we have been helping patients and their families recover financial compensation from negligent medical providers since 1972. Over this time, we’ve recovered more than $100 million on behalf of more than 3,000 clients. To learn more and to schedule a free consultation with a Washington State medical malpractice legal practitioner, fill out our online contact form, and one of our lawyers will be in touch with you shortly. We handle all medical malpractice claims on a contingency basis, meaning we won’t bill you for our services unless we can recover compensation on your behalf. 

FAQ

Does Negotiating With an Insurer Stop the Deadline?

Do not assume that ongoing insurance negotiations pause the filing period. Washington law identifies specific circumstances that can toll the deadline, and ordinary discussions with an insurer are not among those.

Do I Need a Certificate of Merit Before Filing?

No. Washington’s former certificate-of-merit requirement is no longer in effect. Medical expert testimony may still be important for proving negligence and causation, but a statutory certificate is not required simply to initiate a malpractice lawsuit.

How Are Deadlines Handled When the Patient Is a Child?

Minor claims require careful analysis. A custodial parent’s or guardian’s knowledge is imputed to a patient under 18 for purposes of the medical malpractice limitations period. Families should therefore avoid assuming that the deadline automatically remains paused until adulthood.

Can the deadline be paused (tolled)?

Yes. The clock can be paused in situations such as when the patient is a minor, is legally incapacitated, or when a provider commits fraud, conceals the error, or leaves a foreign object in the body. A written request for mediation can also toll it for one year.

What happens if I miss the deadline?

If you file after the applicable deadline, the defendant will almost certainly move to dismiss, and the court will typically grant it, ending the case regardless of how strong it was. That is why confirming your deadline early matters.

Official Legal and Other Sources

To ensure the accuracy and clarity of this page, we referenced official legal resources during the content development process:

• Washington State Legislature, RCW 4.16.350, Actions for Injuries Resulting From Health Care
• Washington State Legislature, RCW 7.70.110, Mediation and Tolling
• Washington State Legislature, RCW 4.16.170, Commencement of Actions