Trademark Opposition and Cancellation at the TTAB vs. Federal Court

Last updated: November 2026

A trademark opposition or cancellation at the Trademark Trial and Appeal Board decides one thing: whether a mark gets, or keeps, a federal registration. The Board cannot enjoin use or award money. Federal court can do both, and can cancel a registration as well. (15 U.S.C. §§ 1116(a), 1117(a), 1119.) A California business should use the Board when the register is the only issue, and sue when the other side's use in the market is doing damage. Kolmogorov Law, P.C. litigates trademark disputes for Orange County and Los Angeles businesses.

Call (909) 235-6116 or contact us online to discuss whether a TTAB proceeding or a lawsuit fits your dispute.

What a TTAB proceeding is

The Trademark Trial and Appeal Board is an administrative tribunal inside the Patent and Trademark Office. It hears appeals from examiners' refusals, oppositions to pending applications, and petitions to cancel existing registrations. Proceedings run on paper: pleadings, discovery, testimony by declaration and deposition, briefs, and a decision by a panel of administrative judges. The Board decides registrability and nothing else.

Trademark opposition

After an examiner approves an application, the mark is published for opposition. Any person who believes it would be damaged by the registration may file an opposition within thirty days of publication, stating the grounds. A written request before that period ends extends it by another thirty days, and the Director may grant further extensions for good cause. (15 U.S.C. § 1063(a).) The usual ground is that the applied-for mark is likely to be confused with the opposer's earlier mark. Descriptiveness, dilution, and lack of a bona fide intent to use are others.

An opposition is usually the cheapest moment to stop a competitor's registration.

Trademark cancellation

A registration can be attacked after it issues. Any person who believes it is or will be damaged by the registration may petition to cancel. For most grounds, including likelihood of confusion with a prior mark, the petition must be filed within five years of the registration date. (15 U.S.C. § 1064(1).) At any time, a registration may be cancelled if the mark has become generic, is functional, has been abandoned, or was obtained fraudulently. (15 U.S.C. § 1064(3).) Three consecutive years of nonuse is prima facie evidence of abandonment. (15 U.S.C. § 1127.)

The five-year line matters. A business that learns of a conflicting registration in year six has lost the confusion ground at the Board, and is left with abandonment, fraud, and genericness. Its common law priority in its own territory survives regardless; our page on unregistered trademark rights explains that.

What you get at the Board, and what you do not

A win in an opposition keeps the other side off the register. A win in a cancellation takes its registration away. Both strip the other side of the presumptions a registration carries. Neither stops the other side from using the mark, and neither pays you anything.

A loss can cost more than it looks. The Supreme Court has held that a Board decision on likelihood of confusion can bind the parties in later infringement litigation. The conditions are that the ordinary elements of issue preclusion are met and the uses the Board considered are materially the same as those before the court. (B&B Hardware, Inc. v. Hargis Industries, Inc. (2015) 575 U.S. 138 [135 S.Ct. 1293, 1310].) A Board proceeding treated as a low-stakes skirmish can decide the war.

Reviewing a Board decision

A party dissatisfied with a Board decision has two routes. It may appeal to the Federal Circuit, which reviews the decision on the record made before the Office. (15 U.S.C. § 1071(a).) Or it may bring a civil action in district court, where the Office record comes in but the parties may take further testimony and the court may decide registrability and related issues as the facts appear. (15 U.S.C. § 1071(b).) The civil action is the better choice when the Board record was thin or the dispute has grown beyond the register.

Federal court as the alternative

A lawsuit under the Lanham Act can do everything the Board does and more. In any action involving a registered mark, the court may determine the right to registration, order a registration cancelled in whole or in part, and otherwise rectify the register. (15 U.S.C. § 1119.) A defendant sued for infringement pleads cancellation as a counterclaim; a plaintiff adds it to the complaint. The court can also enjoin use and award profits, damages, and in exceptional cases fees. (15 U.S.C. §§ 1116(a), 1117(a).) When a lawsuit and a Board proceeding involve the same marks, the Board usually suspends its case and waits for the court.

When litigation is the better track

Choose the Board when the other side's mark is an application not yet in use, when the dispute is only about who registers, or when cost has to stay low and time is not pressing. Choose litigation when the other side is using the mark in the market and customers are being confused now. Choose it when you need an injunction or damages. Choose it when the facts include counterfeiting, cybersquatting, or a former insider, or when you expect the Board fight to end up in court anyway. Our page on trademark defenses covers the cancellation grounds a defendant raises in court.

What we do and where cases are heard

Kolmogorov Law, P.C. handles trademark litigation in the Central District of California, in Santa Ana and Los Angeles, and the contested Board proceedings that run alongside it. We do not file trademark applications as a core service; our trademark registration guide explains that process, and we work with filing counsel when a matter needs both.

What to bring to the first meeting

The application or registration you want to challenge, with its filing and registration dates. Your own registration or proof of first use. Evidence of the other side's use or nonuse in the market. Any confusion you have seen. And any letters exchanged. If a publication date or a five-year anniversary is close, say so first.

Frequently asked questions

What is a trademark opposition?

A proceeding at the Trademark Trial and Appeal Board in which a person who believes it would be damaged by a pending registration asks the Board to refuse it. It must be filed within thirty days of the mark's publication, extendable on request. (15 U.S.C. § 1063(a).) The Board decides only whether the mark registers.

What is a trademark cancellation?

A petition asking the Board to remove an existing registration. Most grounds must be raised within five years of registration; genericness, functionality, abandonment, and fraud can be raised at any time. (15 U.S.C. § 1064.) A federal court hearing an infringement case can also cancel a registration. (15 U.S.C. § 1119.)

How long do I have to oppose a trademark?

Thirty days from the date the mark is published for opposition. A written request filed before the deadline extends it thirty more days, and further extensions are available for good cause. (15 U.S.C. § 1063(a).) After that, the remedy is a cancellation petition or a lawsuit.

Can the TTAB award damages or stop someone from using a mark?

No. The Board decides registrability only. An injunction against use and an award of profits or damages require a lawsuit in federal or state court. (15 U.S.C. §§ 1116(a), 1117(a).) A Board decision on likelihood of confusion may, however, bind the parties in a later suit.

TTAB proceeding vs lawsuit: which should I choose?

The Board when only the register is at stake and cost matters most. A lawsuit when the other side's use is harming you now, when you need an injunction or money, or when the dispute will end up in court regardless. A court can cancel a registration and award the remedies the Board cannot. (15 U.S.C. §§ 1117(a), 1119.)

Talk to a California trademark litigation attorney

To talk through an opposition, a cancellation, or a lawsuit over a registration, call (909) 235-6116 or contact us online. Kolmogorov Law, P.C. is at 327 Magnet, Irvine, CA 92618, and represents businesses in Orange County, Los Angeles, and throughout California. See also our IP litigation page and our guide to proving infringement.

This page provides general information about federal trademark law and Board procedure and is not legal advice. Outcomes depend on the marks, the timing, and the forum.