A demand letter shows up on a Tuesday. It’s about a matter your firm closed in 2021. A former client, new counsel, an allegation that somebody missed something.
The first thing most attorneys do is confirm the firm has malpractice coverage in force. It does. Premium paid, policy current, no lapse.
None of which answers the question.
Lawyers professional liability is written on a claims-made basis, and under a claims-made policy two separate conditions both have to be true before the carrier owes you anything. The claim has to be made against you and reported during the policy period. And the work that’s being complained about has to have happened on or after a specific date printed on your declarations page.
That date is your retroactive date. For most firms it’s the most consequential number on the policy, and a surprising number of managing partners can’t say what theirs is without going and looking.
Claims-made, in plain terms
Your general liability policy is occurrence-based. If somebody slipped in your lobby in 2019, the policy you had in 2019 responds, even if you report it years later and even if you’ve changed carriers three times since.
Professional liability doesn’t work that way. The policy that responds is the one in force when the claim is made and reported, not the one in force when you did the work. That’s what makes the retroactive date necessary. Without it, every new carrier would be picking up unlimited liability for decades of work it knew nothing about and never collected a dollar of premium for.
So the carrier draws a line. Work performed on or after this date, we’ll consider. Anything before it, we won’t.
Move that line forward and you haven’t saved money. You’ve thrown away coverage for everything behind it.
Three dates that get confused constantly
Your declarations page may carry all three, and they aren’t the same thing.
- Retroactive date. The earliest date of legal work the policy will consider. Acts before it are excluded, full stop.
- Prior acts coverage. The general term for covering work done before the current policy began. “Full prior acts” means no retroactive date at all, which is what you want and what a firm earns by staying continuously insured.
- Continuity date. How long you’ve been continuously covered, sometimes with the same carrier. It can drive pricing, eligibility for a free retirement tail, and how the carrier treats a known circumstance. It is not the same as your retro date, though people use the terms interchangeably and get burned.
Why this reaches back further in California than you’d think
Here’s the part that makes the retroactive date more important than the usual “get full prior acts” advice suggests.
California Code of Civil Procedure section 340.6 sets the clock on legal malpractice claims. An action has to be filed within one year after the plaintiff discovers, or reasonably should have discovered, the facts constituting the wrongful act, or within four years of the act itself, whichever comes first.
Four years sounds like a manageable window. It isn’t, because the statute tolls that four-year outer limit in several circumstances, including:
- The plaintiff hasn’t sustained actual injury yet
- You continue to represent the client on that same specific subject matter
- You willfully conceal facts constituting the wrongful act
- The plaintiff is under a legal or physical disability that restricts their ability to sue
Read the second one again. The four-year clock does not run while you’re still handling the matter. Take a trust administration, a long-running piece of litigation, an entity you’ve represented continuously for a decade. The act happens in year one, the representation continues through year nine, and the clock hasn’t meaningfully started.
And claims for actual fraud sit outside section 340.6 entirely. Different statute, different timeline.
Put that together and the practical exposure window for a California firm runs much longer than four years on exactly the kind of long-horizon work that estate planners, business lawyers and complex litigators do every day. A retroactive date set five years back is not conservative. It’s a gap.
The four ways firms lose their retro date
1. Switching carriers for a cheaper number
This is the big one. A firm shops the renewal, a quote comes back several thousand dollars lower, and nobody compares the retroactive dates. The new quote is cheaper in part because it covers less. The carrier is taking on five years of exposure instead of eighteen, and it priced accordingly.
You can move carriers without giving up your retro date. That’s the normal, correct way to do it, and any decent submission asks the new carrier to match the expiring retro date. But it has to be asked for, confirmed in writing, and checked on the new declarations page when it arrives. A verbal assurance from a producer is not a policy term.
2. A lapse
Let the policy expire, even briefly, and you may be treated as a new risk when you come back. New application, new underwriting, new retroactive date, which in the worst case is the date you re-bound. Everything before it is now uninsured, permanently, and no amount of premium later will buy it back.
This happens more often than it should to solos and small firms during cash-flow crunches or a change in office manager. It is the most expensive thirty days a firm can save money on.
3. Not buying tail when the firm changes shape
A partner retires. Two firms merge. A practice dissolves. The last policy runs out and, because nobody’s practicing under that name anymore, nobody renews it.
Claims-made coverage requires a policy in force to receive the claim. When the last policy ends, the reporting window shuts, and the work done under that firm’s name is bare no matter how many years of clean premium it paid. That’s what an extended reporting period is for, and it has to be elected within a short window after expiration. Miss the election period and the option is gone.
4. Bringing on a lateral
When an attorney joins your firm, their prior work doesn’t automatically travel under your policy. Whether their pre-arrival matters are covered, and under whose retroactive date, is a question to settle before the start date, not after a claim lands. It’s a routine thing to arrange and an expensive thing to assume.
The mistake that costs more than all four
Every claims-made policy requires you to report not just claims but circumstances that could reasonably give rise to a claim, and to do it during the policy period.
Firms skip this constantly, usually for understandable reasons. A client sent an angry email about a missed deadline, but you fixed it. There’s a fee dispute that seems like it’s really about the fee. An associate flagged something and the partner handled it quietly. None of it feels like a claim, and reporting things to your carrier feels like inviting trouble.
Then you switch carriers. Eight months later it becomes a real claim.
The new carrier points to the known-circumstance exclusion and the application question you answered “no” to. The old carrier points out the claim was never reported during its policy period. Both are right and you’re in the middle, paying your own defense on a matter that would have been covered if somebody had sent a two-paragraph email at the right time.
Report circumstances. It’s the cheapest risk management available to a law firm, and a properly reported circumstance locks coverage in with the carrier that was on the risk when it happened, which is exactly where you want it.
What tail coverage actually does
An extended reporting period, commonly called tail, extends the window during which you can report a claim after the policy ends. It’s usually available in one, three or five year terms, sometimes unlimited, priced as a multiple of your expiring premium that climbs with the length of the period.
What it does not do is move your retroactive date. Tail never picks up work that was already excluded. It only preserves your ability to report claims arising from work that was already covered. Firms buy tail expecting it to fix a retro date problem and discover it doesn’t.
Worth knowing: many carriers offer a free or heavily discounted tail on death, disability or retirement once an attorney has been continuously insured with them for a set number of consecutive years. That’s a real asset that quietly accrues, and it’s one of the better arguments against hopping carriers for a small premium saving. Ask what your carrier’s threshold is and how close you are to it.
Going bare has a second cost in California
California doesn’t require lawyers to carry malpractice insurance. Only a handful of states do. Oregon is the strictest example, where coverage through the State Bar’s Professional Liability Fund is mandatory for lawyers in private practice.
What California does require is disclosure. Under Rule of Professional Conduct 1.4.2, a lawyer who doesn’t have professional liability insurance has to inform the client in writing at the time of engagement, whenever the lawyer knows or reasonably should know the representation will exceed four hours. If coverage lapses mid-representation and no disclosure was made at the outset, the client has to be told in writing within thirty days of when the lawyer knew or reasonably should have known.
There are narrow exceptions, including government lawyers and in-house counsel representing their employer, emergency services to avoid harm, and clients already informed.
So a lapse doesn’t only reset your retroactive date. It creates a written disclosure obligation to every client on a matter over four hours. Few firms want to send that letter.
Six things to check on your declarations page today
This takes about ten minutes and you can do it without calling anyone.
- Your retroactive date. Compare it to the date your firm actually started practicing. If there’s a gap, you know where you stand.
- Whether it says “full prior acts.” Best case. If it does, no gap to worry about.
- Each attorney’s individual retro date. They’re often not the same, particularly after laterals or a merger.
- Defense costs inside or outside the limit. A $1M limit with defense inside it is not a $1M limit once you’ve spent $300K defending the matter.
- Your extended reporting period options and the election window. Know the terms before you need them, not during a dissolution.
- Anything you should have reported and haven’t. Do this before your next renewal application, not after you’ve signed it.
If number one or number three produces an unpleasant surprise, that’s worth a conversation before your renewal rather than after a demand letter.
Where this fits in the rest of your program
Malpractice coverage is the line most firms think hardest about, and it should be. But it’s built to respond to allegations about your legal work, and a fair number of the losses that hit law firms aren’t about legal work at all. A wire transfer diverted by someone impersonating a client. A former associate’s employment claim. An injury to a staff member.
Our law firm insurance page lays out how the pieces are meant to fit together, including cyber and social engineering, EPLI, and workers’ compensation. On the comp side specifically, the benchmark rate for law firms rose 18.3 percent on September 1, which is worth a look at the same time.
Send us your dec page
If you’d like a second set of eyes, send your current declarations page and we’ll tell you what your retroactive date is, whether each attorney is covered back to where they should be, and where your defense costs sit relative to your limit. No obligation, and we’ll tell you if your current program looks fine, because sometimes it does.
Get in touch and we’ll take a look.
This article is general information about how claims-made insurance policies are structured. It isn’t legal advice, and it isn’t a description of any particular policy. Coverage is determined solely by the terms, conditions and exclusions of the policy your firm actually holds. For questions about your professional responsibilities under the California Rules of Professional Conduct, consult qualified counsel or the State Bar.
Sources: California Code of Civil Procedure section 340.6; California Rule of Professional Conduct 1.4.2; Oregon State Bar Professional Liability Fund.
