A cease and desist letter is a formal written demand telling someone to stop a specific activity or face a lawsuit. It isn’t a court order, and no one can force you to comply with it. But it isn’t safe to ignore either, because once you’ve received one, you can no longer claim you didn’t know the other side objected, and that knowledge can cost you later.
What the Letter Actually Does
The letter is a warning shot. The sender describes the conduct they want stopped, explains why they believe it violates their rights, sets a deadline for compliance, and threatens to escalate if you don’t meet it. Its main purpose is to resolve a dispute before anyone files a lawsuit.1Legal Information Institute. Cease and Desist Letter
The letter imposes no obligation on you. There’s no penalty for receiving one, and nothing happens automatically if you don’t respond. What the letter does do is put you on notice. If the sender later sues, that letter becomes evidence that you knew about the alleged problem and kept going anyway. Courts take that kind of awareness seriously, especially in intellectual property cases where “willful” conduct triggers much higher damages.1Legal Information Institute. Cease and Desist Letter
Anyone can send one. You don’t need a lawyer, though a letter on law firm letterhead carries more weight and is less likely to contain claims that collapse under scrutiny. A clear, well-researched letter from a non-lawyer can still do the job for a straightforward dispute.
Letters vs. Orders
A cease and desist letter is a private communication between two parties. A cease and desist order is something different: an official directive from a government agency or a court, with real penalties for violating it.
The Federal Trade Commission can issue cease and desist orders against companies engaged in unfair or deceptive practices after an investigation and administrative hearing.2Office of the Law Revision Counsel. 15 USC 45 – Unfair Methods of Competition Unlawful; Prevention by Commission Violating a final FTC order can draw civil penalties of up to $53,088 per violation as of 2025, with each day of continued noncompliance counted separately.3Federal Trade Commission. FTC Publishes Inflation-Adjusted Civil Penalty Amounts for 2025 Other federal and state regulators have similar authority. You can argue with a letter. You ignore an order at your financial peril.
Common Reasons People Send One
Intellectual Property Infringement
Trademark and copyright disputes are where these letters appear most often. A business that spots a competitor using a confusingly similar logo or brand name typically sends a letter before suing under the Lanham Act.4Office of the Law Revision Counsel. 15 USC 1114 – Remedies; Infringement; Innocent Infringement by Printers and Publishers Copyright holders do the same, and the stakes are high. Statutory damages for ordinary copyright infringement run from $750 to $30,000 per work, but a court can award up to $150,000 per work if the infringement is willful.5Office of the Law Revision Counsel. 17 USC 504 – Remedies for Infringement: Damages and Profits Continuing to use someone’s copyrighted material after you’ve been told to stop is strong evidence of willfulness.
Note one boundary: for online copyright infringement, copyright holders also have the DMCA takedown process, which goes to the platform hosting the material rather than to the infringer directly.6Office of the Law Revision Counsel. 17 USC 512 – Limitations on Liability Relating to Material Online A cease and desist letter and a DMCA notice are not the same tool.
Harassment and Defamation
These letters are commonly used to demand an end to persistent unwanted contact, from an ex-partner, a neighbor, or someone online. The letter creates a documented record that you asked for the behavior to stop, which matters if the situation later escalates to a restraining order or a lawsuit.
Defamation claims are another frequent trigger, with the letter demanding retraction and no further repetition of the false statements. These need to be drafted carefully. The line between defamation and protected opinion is not always clear, and a baseless defamation threat can create problems for the sender.
Contracts and Employment
When one party breaches a contract, the other often sends a letter before filing suit, particularly in business disputes over payment, licensing, or exclusivity. In employment, these letters typically involve non-compete, non-disclosure, and non-solicitation clauses. A former employer might send one to an ex-employee suspected of sharing trade secrets or soliciting clients. Whether a non-compete would actually hold up in court varies significantly by state, but the letter itself signals that the employer is paying attention.
What a Good Letter Includes
An effective cease and desist letter covers five things, clearly and without padding:
- The parties involved, with full names and contact information for both sides.
- The conduct at issue, described with specific facts, dates, and examples rather than vague accusations.
- The legal basis, naming the law, regulation, or contract provision allegedly violated.
- A compliance deadline, usually ranging from a few days to 30 days depending on complexity.
- The consequences of noncompliance, meaning what the sender intends to do next.
Letters that threaten to “pursue all available legal remedies to the fullest extent of the law” without identifying an actual legal claim read as bluster and undermine the sender’s credibility. Specificity is what makes the threat land.
What It Costs to Send One
If you hire an attorney, a straightforward letter typically runs about $300 to $700 as a flat fee. Complex intellectual property disputes or situations needing serious legal research can push that higher. Attorneys who bill hourly charge their standard rate, so the total depends on drafting time.
Writing one yourself costs nothing but your time. For simple disputes, like a neighbor using your photograph without permission on a small blog, a clear letter from you may be enough. For anything involving significant money or a well-resourced opponent, the money spent on an attorney usually pays for itself by making the threat credible.
How to Respond If You Receive One
Read the letter carefully before doing anything. Figure out exactly what the sender claims you’re doing wrong and which law they say you’re violating. Panicked silence and an angry same-day reply are both bad moves.
From there, you have four realistic options:
- Comply. If the claims are legitimate and stopping the activity costs you little, this is often the simplest path.
- Negotiate. Many disputes end in middle ground. In a trademark fight, you might modify a logo rather than abandon it. In a contract dispute, the parties often agree to revised terms.
- Push back. If you think the claims are meritless, respond with a letter explaining why, backed by your own legal reasoning. A fair-use defense in a copyright dispute, or pointing out that the sender’s trademark registration doesn’t cover your industry, can end the matter.
- File a declaratory judgment action. Instead of waiting to be sued, you sue first and ask a court to declare your conduct lawful. You pick the court, you control the timing, and the sender has to prove their case or walk away. Courts allow these when there is a real, concrete dispute, not just a hypothetical disagreement.
For anything beyond a clearly legitimate and easily fixed complaint, talking to an attorney before responding is worth the money. Your first move often shapes the rest of the dispute.
Why Ignoring the Letter Is Risky
Nothing happens automatically if you don’t respond. No one goes to jail for ignoring a cease and desist letter. But in practice, silence creates several problems.
The letter puts you on notice. In copyright cases, that notice can mean the difference between $30,000 and $150,000 in statutory damages per work.5Office of the Law Revision Counsel. 17 USC 504 – Remedies for Infringement: Damages and Profits In trademark cases, knowledge of the other mark’s existence weighs heavily in the likelihood-of-confusion analysis. Across nearly every area of law, continuing to do the thing after being told to stop makes you look worse to a judge or jury.
Silence also reads as defiance. A sender who gets no response is more likely to escalate, where even a short acknowledgment can open the door to a negotiated fix. Plenty of disputes land in court simply because the recipient hoped the letter would go away.
Some letters are also tied to specific legal strategy. In intellectual property cases, the sender may be building a record to support a preliminary injunction, which is a court order that can freeze your business activity while the case plays out. Responding within the deadline, even just to dispute the claims, demonstrates good faith.
When Sending One Can Backfire
A cease and desist letter is not always the right move, and overconfident senders sometimes create bigger problems than the ones they set out to solve.
The most visible risk is the Streisand effect. When a company or public figure sends a heavy-handed letter over online criticism, the letter itself often becomes the story. A negative blog post read by a few dozen people turns into a viral controversy. This happens most often when the targeted speech is clearly protected opinion rather than actionable defamation.
A related risk is that the recipient files a declaratory judgment action. A letter meant to intimidate instead hands the recipient the standing to drag the sender into court, possibly in a jurisdiction the sender didn’t want.
In roughly 38 states, anti-SLAPP laws add another layer of risk for senders who follow through on weak threats. These laws let defendants quickly dismiss lawsuits filed to punish protected speech, and they typically require the losing plaintiff to pay the defendant’s attorney’s fees. A letter that leads to a frivolous defamation suit in a strong anti-SLAPP state can cost the sender far more than whatever prompted it.
Before sending, evaluate honestly whether your legal claim would survive scrutiny in court. If the answer is no, or even “maybe,” the letter is likely to do more harm than good.