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Washington law doesn’t front-load a medical malpractice case with the notice or certification steps some states require before a defendant is even served, though the standard-of-care evidence a case eventually needs is no lighter for it. What still has to happen, proving the standard of care was breached through expert testimony at trial, is covered in the section below.
The Same Framework, Regardless of Size
Whether the care happened in Seattle or in one of Washington’s largest cities, the same requirements apply: the discovery-rule filing deadline, expert testimony at trial, and no statutory damage cap.
The Superior Court That Handles This
Claims arising from care in Seattle are filed in King County Superior Court, a detail worth knowing before anything else about the process. Venue depends on where the underlying care took place, not on where the patient lives now.
The Notice Requirement That No Longer Applies
Washington law once required 90 days’ written notice to a health care provider before filing suit, under RCW 7.70.100(1), but the Washington Supreme Court struck that requirement down in Waples v. Yi, holding it conflicted with the state’s own court rules and violated separation of powers. In practice, this means filing can proceed directly, the way any Washington civil case is commenced, without a separate notice period built in ahead of it.
The Filing-Stage Requirement That's Gone, and the Trial Requirement That Isn't
A certificate-of-merit requirement, RCW 7.70.150, once required an expert’s signed statement at the time of filing, until Putman v. Wenatchee Valley Medical Center, PS, 166 Wn.2d 974, 216 P.3d 374 (Wash. 2009) held the statute unconstitutional. What RCW 7.70.040 still requires hasn’t gone anywhere: expert testimony establishing both the standard of care and causation, just proven over the course of the case rather than certified at the moment of filing.
Why There's No Ceiling on Recovery Here
RCW 4.56.250 imposed a damage cap when it was enacted in 1986, until Sofie v. Fibreboard Corp., 112 Wn.2d 636, 771 P.2d 711 (Wash. 1989) ruled it unconstitutional under the Washington Constitution’s jury-trial guarantee. The legislature hasn’t reinstated a cap since, which means Washington has gone without a statutory damages ceiling since 1989, longer than either the notice or certificate-of-merit requirements have been off the books.
Three Years, One Year From Discovery, Whichever Is Later
Under RCW 4.16.350, a Washington medical malpractice claim generally has to be filed within three years of the act or omission that caused the injury, or one year from when the injury and its cause were discovered or reasonably should have been, whichever period expires later. An eight-year repose period is still written into RCW 4.16.350, but Bennett v. United States, decided by the Washington Supreme Court on December 7, 2023, held that clause unconstitutional, meaning the printed eight-year limit can’t actually bar a late-discovered claim.
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Frequently Asked Questions
Does skipping pre-suit notice put my Washington case at risk?
In practice the notice requirement doesn’t apply, Waples v. Yi struck it down as a violation of separation of powers, since it conflicted with the courts’ own civil rules. This is one of the clearer examples of a Washington statute whose text hasn’t caught up with how it’s actually enforced.
Does Washington require an expert before filing or before trial?
The case still has to meet the same underlying evidentiary standard under RCW 7.70.040, only the filing-stage certification is gone. The distinction between a filing-stage requirement and a trial-stage requirement matters here: one is gone, the other isn’t.
What’s Washington’s ordinary filing deadline for malpractice claims?
The statute’s text still shows an eight-year outer limit, but the Washington Supreme Court ruled it unconstitutional in Bennett v. United States (Dec. 7, 2023), so it’s no longer enforceable. Because the repose clause is unenforceable but still printed in the statute, relying on an outdated summary of Washington law that treats eight years as a hard cap would be a real mistake.
Is Washington’s lack of a damage cap unusual compared to other states?
None currently applies, RCW 4.56.250’s cap was ruled unconstitutional in Sofie v. Fibreboard Corp., 112 Wn.2d 636, 771 P.2d 711 (Wash. 1989), and no replacement has been enacted since. This has been the case since 1989, longer than either of Washington’s other two struck-down requirements, pre-suit notice and certificate of merit, have been off the books.
Which Washington court has jurisdiction over a Seattle malpractice case?
King County Superior Court, the Superior Court with jurisdiction over the county.
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