How to Send a Cease and Desist Letter

A cease and desist letter is a written demand asserting your rights over a mark and requiring the recipient to stop a specific use. It is not a court filing and initiates no proceeding by itself. Its power comes from notice: once the registrant has been told in writing that their domain conflicts with your mark, continued use is harder to excuse as innocent, and the letter becomes part of the record in whatever comes next.

For brand owners dealing with a lookalike domain, the letter sits between informal contact and formal proceedings: cheaper than a UDRP complaint, more serious than an email, and often the first written trace that the registrant knew about the mark.

Step 1: Confirm the letter is the right tool

A demand letter works when the registrant is identifiable, reachable, and has something to lose. It is a poor fit in two situations:

• Abusive infrastructure. A phishing or malware domain run through privacy shields and bulletproof hosting will not comply with a letter. Report deceptive content to the registrar or hosting provider instead, where suspension does not depend on the operator’s cooperation.
• A weak claim. If the domain predates your mark, targets a descriptive term, or plausibly belongs to a legitimate use, a demand letter invites challenge rather than compliance.

Step 2: Weigh the risks before sending

Sending the letter creates an “actual controversy” under the Declaratory Judgment Act. A recipient who believes your claim is weak can sue you first, asking a court in their chosen jurisdiction to declare their domain non-infringing. You lose control of forum and timing.

The letter also alerts the registrant. They can respond by deleting hosted content, transferring the domain to a new registrar, or registering additional lookalikes. Preserve your evidence before anything goes out: capture the site, the DNS records, and the registration data while they still exist.

Finally, proportionality matters. Overbroad demands against legitimate uses draw criticism as trademark bullying and can support a reverse domain name hijacking finding if a UDRP complaint follows. The demand should match what the observed facts support.

Step 3: What the letter needs to contain

Effective demand letters share a factual structure. The letter identifies:

• Your rights: the mark, its registration numbers and offices if registered, or the goods and services and first-use facts supporting common-law rights.
• The specific subject: the exact domain in dispute and what was observed there, with dates: parked monetization, a copied site, a phishing form, an offer of sale.
• The legal basis: confusing similarity under trademark law, and bad-faith registration and use under the UDRP or the Anticybersquatting Consumer Protection Act where the facts support it.
• The demand: cessation of use and transfer of the domain, or whatever remedy you intend to pursue.
• A deadline: commonly one to two weeks, with a statement that you reserve all other remedies.

Stick to facts you can document. Assertions beyond the record read as bluff, and everything in the letter is potentially an exhibit later.

Step 4: Send it where it will be read

WHOIS privacy usually hides the registrant’s address. Send the letter to the public abuse or privacy-service contact in the RDAP record; the abuse contacts tool pulls that record for any domain. Where the registrant is a business with a reachable address, send there too. Keep proof of delivery for the file.

Step 5: Use the response, whatever it is

Every outcome produces something:

• Compliance or transfer: the cheapest possible resolution. Get the transfer documented.
• An offer to sell: the registrant asking for money after receiving your demand is admissible evidence. WIPO panels treat offers to sell made in settlement discussions as usable proof of bad faith, precisely because squatters often wait for a complaint before naming a price.
• Silence: UDRP panels have treated an unanswered demand as one factor supporting bad faith. You escalate to a UDRP complaint or, where statutory damages matter, an ACPA claim through counsel.
• A substantive denial: evaluate it on the merits before spending on a proceeding.

A demand letter only helps while the facts underneath it are current. Domain monitoring keeps the registration, DNS, and site records a letter cites, and keeps recording so a reappearing subject generates a fresh record rather than a stale claim.