Dismissal, almost without exception
If a personal injury lawsuit is filed in Colorado after the applicable statute of limitations has run — whether that's the two-year general rule under C.R.S. § 13-80-102, the three-year auto accident rule, or the 182-day government notice — the court will almost always dismiss the case as time-barred. This happens regardless of how strong the underlying claim actually is, how clearly the other party was at fault, 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 Colorado 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. The things that genuinely change the outcome are recognized legal doctrines — the discovery rule, tolling for minors — not general fairness arguments about why more time should have been allowed.
A real, distinctive risk in Colorado: the wrong deadline
Because Colorado genuinely splits its general personal injury deadline into two different periods — two years for most claims, three years specifically for motor vehicle accidents — there's a real and distinctive risk of applying the wrong one. Someone who assumes the shorter two-year rule applies to their auto accident loses nothing by being cautious. But someone who mistakenly assumes the longer three-year auto rule applies to a non-vehicle injury, like a slip and fall, can miss the real two-year deadline by an entire year without realizing it.
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. The entire practical leverage behind a settlement negotiation comes from the real possibility of a lawsuit; once that possibility is gone, so is most of the incentive for the other side to pay.
If there's any doubt at all
Because the consequence of missing a deadline is generally permanent, and because Colorado's deadline genuinely depends on the specific type of claim and whether a government entity is involved, the only reliable way to know where things actually stand is to confirm the exact date and the correct applicable statute with a licensed Colorado attorney as early as possible.