Trademark Claim Strength Checker

Answer what you know. Use “not sure” for the rest — this sorts facts, it never hands you a verdict.

What the Letter Is — and Isn’t

A cease-and-desist letter is a private demand from a trademark owner, not a court filing — it only becomes a lawsuit if they actually sue.

Most letters ask for some combination of: stop using the name, hand over or stop using a domain or social handle, destroy or sell off remaining inventory, sign an agreement promising not to use the name again, or pay money. None of that happens automatically just because the letter arrived — a court has to order it, or you have to agree to it.

The deadline in the letter (often “10 days” or “30 days”) is the sender’s own deadline, not a court-imposed one. That doesn’t make it meaningless: missing it without any response can read as ignoring the issue entirely, which can encourage the sender to escalate, and it removes your chance to negotiate terms while things are still informal.

Some cease-and-desist letters are template mailers sent broadly, or come from parties whose own registration is thin, pending, or doesn’t actually cover what you sell. You can’t tell which kind you’ve received just by how official it looks — the only reliable way to size it up is to check the actual registration, which is the next step.

Look Up Their Trademark in 10 Minutes

The fastest way to size up a claim is to read their actual registration, not just their letter.

Both tools below are free and public.

1. Go to the USPTO’s Trademark Search tool and search the exact mark, or the registration or serial number printed on the letter.
2. Open the matching record in TSDR (Trademark Status & Document Retrieval) for the full file history.
3. Check the status line: “live” generally means the registration or application is currently active; “dead,” “cancelled,” or “abandoned” generally means there’s no current federal registration for that mark.
4. Read the goods and services description and international class. This defines what the registration actually covers — not every possible use of the name.
5. Note the filing date and registration date. Once a mark registers, the filing date sets its nationwide priority date, subject to the prior-user exception covered below.
6. Check the underlying application for “first use in commerce” and “first use anywhere” dates, and compare them to your own first sale or advertisement.
7. Open the “Maintenance” tab for Section 8 and Section 15 filings — these confirm the registration is being kept current and whether it has become incontestable.

Do They Actually Have a Claim?

Courts and the USPTO ask one core question — are consumers likely to be confused — and look at it through a handful of overlapping factors.

Federal courts use different named multi-factor tests depending on the circuit, and the USPTO’s internal tribunal (the Trademark Trial and Appeal Board) uses its own version for registration disputes. The exact factor list and labels differ, but the underlying questions are largely the same: how similar the names are in sound, look, and meaning; how related the goods or services are; whether the parties sell through the same channels to the same customers; how strong or distinctive the earlier mark is; whether there’s evidence anyone has actually been confused; and whether the newer user adopted the name intending to trade on the other’s reputation.

Same name, different industry generally makes for a weaker claim, since unrelated goods rarely confuse the same shoppers — unless the earlier mark is unusually strong or well known, in which case courts sometimes extend protection further. Geographic overlap matters too: a purely local business and a national one may coexist more easily than two businesses competing for the same customers in the same area.

The strength of their mark also matters. Invented or arbitrary names (words with no obvious connection to the product) generally get broader protection than descriptive names that simply describe what’s being sold — descriptive marks are weaker and narrower, even once registered.

“I Was Using This Name First”

Using a name in commerce before someone else registers it can preserve rights they can’t take away — at least in the area where you’ve actually done business.

Trademark rights in the U.S. can arise from use alone, without any registration. These common-law rights are generally limited to the specific geographic area where you’ve actually sold under the name.

Federal registration adds something significant: under Section 7(c) of the Lanham Act (15 U.S.C. §1057(c)), once a mark registers, the filing date counts as “constructive use,” giving nationwide priority from that date — but the statute carves out an exception for anyone who, before that filing date, already used the mark, already had a pending application for it, or held a qualifying foreign application. Section 1115(b)(5) separately preserves a limited defense for a prior user whose own use predates the registrant’s rights, bounded to the specific area where that prior use occurred.

In practice, being first doesn’t erase their registration nationwide — but it can limit where they can actually enforce it against you, and it’s often the strongest basis for negotiating a coexistence agreement instead of a full rebrand.

Building Your First-Use Evidence File

Start collecting, with dates on everything: invoices showing your first sale, your domain registration date, the creation dates on your social accounts, photos of signage, your state or local business filing date, old ads, and Wayback Machine (archive.org) snapshots of your website or marketplace listings.

Your Four Response Options

There’s no single right reply to a cease-and-desist letter — the right path depends on how strong their claim looks and how attached you are to the name.

A Neutral Acknowledgment Template

“We received your letter dated [date] regarding [mark]. We are reviewing the matter and will respond by [date, e.g. 14–21 days out]. This letter is not an admission of any kind, and we reserve all rights.”

Send this only if you need time. A lawyer may prefer to handle all communication from here, especially once you move past a simple acknowledgment.

Challenging a Trademark That Isn’t Being Used

If the mark chasing you doesn’t actually appear to be in use, the Trademark Modernization Act gives you a faster, cheaper way to challenge it than a full cancellation lawsuit.

The Trademark Modernization Act of 2020 created two new USPTO proceedings, both decided by the USPTO itself rather than in a full inter partes case, under final rules published at 86 Fed. Reg. 64300 (Nov. 17, 2021). The USPTO began accepting petitions in late December 2021.

Expungement challenges a mark that was never used in commerce for some or all of the goods or services listed in the registration. Anyone can file (or the USPTO Director can start one on their own), even anonymously, between 3 and 10 years after the registration date.

Reexamination challenges whether the mark was in use as of the relevant date tied to how the registration was obtained — generally near the filing date or statement-of-use date. It must be filed within the first 5 years after registration.

Both require a verified statement describing a genuine, reasonable investigation, plus documentary evidence of nonuse and a per-class filing fee. The USPTO is explicit that current nonuse alone doesn’t prove the mark was never used, or wasn’t in use at the earlier relevant date — a real petition needs evidence reaching back to that period, such as archived website snapshots, not just a single search showing nothing today.

The filing fee is $400 per class as of this writing (37 C.F.R. §2.6(a)(26)) — confirm the current figure on the USPTO fee schedule before filing. Once a proceeding is instituted, the registrant has 3 months to respond with evidence of use, with a possible one-month extension for a $125 fee.

Abandonment is a separate, older concept under 15 U.S.C. §1127: nonuse for three consecutive years creates a rebuttable presumption of abandonment, but it still turns on intent, and it’s litigated — usually through a TTAB cancellation proceeding — rather than decided through the TMA’s faster ex parte process. The registrant can rebut the presumption with evidence of continued use or an intent to resume. The TMA also added nonuse-based expungement as a new ground for a TTAB cancellation petition.

Separately, registration owners must file a Section 8 declaration of continued use (or excusable nonuse) between the 5th and 6th year after registration, or the registration is cancelled — it’s worth checking TSDR’s Maintenance tab, since a missed Section 8 filing can mean the registration is already dead.

None of this is a shortcut to take lightly: a petition requires a truthful, documented investigation. Don’t file one speculatively, and don’t file one without a genuine basis just to gain leverage.

Amazon, Etsy, and Other Platform Takedowns

A trademark takedown on a marketplace doesn’t work like a DMCA copyright notice, and there’s generally no formal counter-notice to file.

The DMCA’s counter-notice process (17 U.S.C. §512(g)) exists for copyright claims, not trademark. See our guide to a copyright letter over a photo if that’s actually what you received instead.

On Amazon, trademark complaints go through the public Report Infringement form, or, for brands enrolled in Brand Registry, the “Report a Violation” tool. If you think a report against you is wrong, your main options are asking the party who filed it to submit a retraction, and using whatever appeal process Amazon offers for that specific violation type, backed by documentation — proof of authorization, invoices, or evidence that your listing doesn’t actually use the mark as claimed.

On Etsy, a report that meets the platform’s Intellectual Property Policy typically gets the listing removed before the seller is notified. Etsy accepts formal counter-notices only for U.S. copyright claims under the DMCA — not for trademark. For a trademark report, the practical paths are contacting the party who filed the report to request a retraction, and using Etsy’s appeal option where it’s offered.

Either way, the same groundwork applies: check whether their mark is actually registered and whether it covers what you sell. If it looks weak, unused, or doesn’t cover your goods, that’s exactly the kind of evidence to bring to the rights owner when asking for a retraction, or to a lawyer if it goes further.

What Happens If You Ignore It

Nothing happens immediately — but ignoring a letter gives up your chance to shape what happens next.

The letter itself doesn’t involve a court. Escalation is a choice the sender makes, and it usually isn’t instant. But continued use without addressing the letter at all can be used later as evidence that any infringement was willful, and some senders escalate directly to retailers, marketplaces, or payment processors rather than suing first.

If a lawsuit does follow, remedies under 15 U.S.C. §1117 can include an injunction, the infringer’s profits, the trademark owner’s actual damages, and costs. Damages can be increased up to three times the amount found, and a court may award reasonable attorney’s fees in “exceptional cases.” In Romag Fasteners, Inc. v. Fossil, Inc. (2020), the Supreme Court held that willfulness isn’t a strict legal requirement for recovering an infringer’s profits — though a defendant’s mental state remains an important factor courts weigh in deciding whether, and how much, to award.

Will Your Business Insurance Help?

Some general liability policies cover certain trademark-related claims through “advertising injury” coverage — but many specifically exclude trademark infringement, so check before you assume.

Many standard commercial general liability (CGL) policies include “personal and advertising injury” coverage that can respond to claims like using someone else’s slogan or trade dress in your own advertising. Plenty of CGL policies also carry explicit intellectual-property exclusions that carve trademark infringement back out. Whether you’re covered depends entirely on your specific policy’s wording.

Notify your insurer promptly, even if you’re not sure coverage applies. Many policies require prompt notice of a claim as a condition of coverage, and waiting can jeopardize it even if the claim would otherwise qualify. See our small business insurance guide for more on what a typical policy does and doesn’t cover.

When to Hire a Trademark Lawyer

A few signals mean it’s time to bring in a trademark attorney before you send anything else.

Consider calling a lawyer when: the sender’s mark is registered and live, you sell the same or closely related goods, you’ve been served with an actual lawsuit rather than just a letter, a platform has suspended your listings or account, or the name carries real revenue or brand value for your business.

Bring: the letter and any attachments, your own first-use evidence, a TSDR printout of their registration, your sales and revenue tied to the name, and any prior correspondence. Many trademark attorneys offer a flat fee for an initial letter review, separate from full representation — it’s worth asking about before you commit to anything larger. See our intellectual property lawyer guide for how to find and vet one.

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