Answer
Can I write my own trademark cease-and-desist letter?
Lawyers call this: cease-and-desist letter · demand letter · declaratory judgment
Short answer
You can. Nothing requires a lawyer to send one. But the letter is the first move in a legal dispute, and a letter sent before checking who used the name first can hurt the sender. The work that matters happens before the letter is written: confirming your rights, your dates, and what you can actually demand.
Trademark Valet does not provide cease-and-desist templates or draft letters. Choosing what to claim and what to demand in a real dispute is legal work.
What changes the answer
- Whether you used the name first
- If the other business started before you, your letter may invite a claim against you instead. Check its dates before you send anything.
- Whether you hold a federal registration
- A registration gives you a nationwide filing date and a presumption of rights. Without one, your rights depend on where and how long you have used the name.
- How close the names and the products are
- A demand over a similar name on unrelated goods is hard to back up. A demand over the same name on the same goods is easier.
- What you want to happen
- A rebrand, a changed domain, a stop to one product line, and money are different demands. Each changes how the other side is likely to respond.
The rule
A letter does not create or enforce rights. It states a claim that a court would decide under 15 U.S.C. § 1114(1) for a registered mark or 15 U.S.C. § 1125(a) for an unregistered one. The claim needs valid rights and a likelihood of confusion.
A letter can also start a lawsuit you did not plan. If it creates a real and immediate dispute, the person who receives it may ask a court to declare that it does not infringe. 28 U.S.C. § 2201(a); MedImmune, Inc. v. Genentech, Inc., 549 U.S. 118, 127 (2007). The recipient, not you, then picks the timing and often the court.
What to do next
In general terms, a trademark demand letter names the sender’s mark and the goods it is used for, and states the basis for the sender’s rights, such as a registration number or the date use began. It describes the use the sender objects to and explains why buyers are likely to be confused. It states what the sender wants, and by when. Many also ask the recipient to preserve documents.
The common problems are about substance, not format:
- Claiming rights you cannot prove. A date you cannot document, or a registration that covers other goods, weakens everything else in the letter.
- Admissions. A statement about when you started, what you sell, or what you knew can be quoted back to you in a later case.
- Tone. Threats and insults rarely produce compliance. They can support the other side’s story, especially if the letter is posted online.
- Demanding more than the law gives. An overreaching demand can make the sender look like the aggressor.
You can do the groundwork yourself. Search the USPTO database for the other business’s filings. Collect proof of your own first use, with dates. Save dated screenshots of the use you object to, and record any customer who mixed up the two businesses.
Whether to send a letter, what to claim, and what to ask for are judgment calls that depend on the dates and on how far each side is willing to go. That is where a lawyer earns the fee, and it is why Trademark Valet stops at the research.
If you are ready to send one, Brandon Leavitt at Valet Law, PLLC can check priority first and draft the letter.
Attorney review is provided by Valet Law, PLLC, a law firm separate from Trademark Valet, LLC. Keep confidential facts out of public tools. Your first message to Valet Law should identify the parties and the general issue only. Wait until Valet Law confirms it can discuss the matter before sending confidential details.
Who checked this
Reviewed and approved by Brandon Leavitt on 2026-10-02.
General information about how trademark law works. It is not legal advice about your situation, and reading it does not make anyone your lawyer.