Dismissal, almost without exception
If a personal injury lawsuit is filed in Delaware after the applicable statute of limitations has run — the general two-year deadline under 10 Del. C. § 8119, or a specific tolling-adjusted deadline for a minor — the court will almost always dismiss the case as time-barred. This happens regardless of how strong the underlying claim actually is or how serious the injury turned out to be.
Courts apply these deadlines strictly
Statutes of limitations exist specifically to create a firm, predictable cutoff, and Delaware courts generally enforce them that way. Being close to the deadline, or having a sympathetic reason for the delay that doesn't fit a recognized legal exception, isn't on its own a basis for a court to excuse a late filing.
A genuinely distinctive risk: missing Wilmington's advance notice
Because Wilmington's notice rule requires notifying the Mayor a full year before filing suit, rather than simply by a deadline after the injury, it's entirely possible to have plenty of time left under the general two-year statute of limitations while still being unable to sue Wilmington at all — because the mandatory year-long gap between notice and filing hasn't yet elapsed. This is a genuinely different kind of "missed deadline" than most people expect, and it deserves its own careful attention the moment Wilmington is potentially involved.
Negotiations end along with the legal leverage behind them
One of the more painful practical consequences: once the statute of limitations has actually run, an insurance company has no legal obligation to keep negotiating, to make any offer, or to pay anything at all — even if settlement talks were active and seemingly productive right up until the deadline passed.
If there's any doubt at all
Because the consequence of missing a deadline is generally permanent, and because Delaware's rules genuinely differ depending on age and which municipality is involved, the only reliable way to know where things actually stand is to confirm the exact date and applicable requirements with a licensed Delaware attorney as early as possible.