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U.S. Trademark Opposition: What Should You Do?

Your U.S. trademark application has been opposed. Is registration still possible?

Receiving a trademark opposition notice can be stressful, especially when you have already invested time and money in building your brand.

But an opposition does not automatically mean your trademark cannot be registered. The key is to understand the grounds for opposition, assess your options, and take action within the required deadline.

1. First, Understand What a Trademark Opposition Means

In the United States, after a trademark application is approved for publication, third parties generally have 30 days to oppose its registration or request an extension of time to oppose.

An opposition is handled by the Trademark Trial and Appeal Board (TTAB) of the United States Patent and Trademark Office (USPTO).

A party may oppose an application for various reasons, such as:

  • Likelihood of confusion with an earlier trademark

  • Prior rights in a similar or identical mark

  • Alleged damage to the opposing party's business or trademark rights

An opposition is a legal proceeding, not simply a routine examination objection. It requires a proper response and compliance with procedural deadlines.

2. What Should You Do After Receiving an Opposition?

Step 1: Check the Notice and Deadline

Carefully review the Notice of Opposition and the deadline stated in the TTAB's order.

Do not ignore the notice or assume the issue will resolve itself. Failure to respond can result in a default, potentially putting your application at serious risk.

Step 2: Identify the Opponent's Main Arguments

Review the allegations and identify the legal grounds relied upon by the opposing party.

For example, if the opposition is based on likelihood of confusion, relevant considerations may include:

  • Similarities between the two marks

  • The relatedness of the goods or services

  • The strength and scope of the earlier mark

  • Other relevant circumstances under U.S. trademark law

The best response depends on the specific allegations and available evidence.

Step 3: Evaluate Your Available Options

Depending on the circumstances, possible strategies may include:

Defending the application

If there are reasonable grounds to contest the opposition, you may defend the application and present appropriate legal arguments and evidence.

Negotiating a settlement

In some cases, the parties may explore a coexistence agreement, limitations to the goods or services, or another mutually acceptable resolution.

Amending or withdrawing the application

Where appropriate, an amendment or voluntary withdrawal may be considered. However, amendments must comply with applicable rules, and they may not resolve every issue.

Each option has different legal and commercial implications. A strategy should be selected after reviewing the case, rather than relying on a standard template.

3. Why Is Evidence Important?

Evidence can play an important role in a trademark opposition.

Depending on the case, relevant materials may include:

  • Documents showing the history and development of the brand

  • Records of trademark use and sales

  • Advertising and marketing materials

  • Evidence relating to the goods or services

  • Documents supporting arguments against the alleged likelihood of confusion

Not every type of evidence will be relevant in every case. Materials should be assessed carefully and presented in accordance with the applicable TTAB procedures.

4. Do You Need a U.S. Trademark Attorney?

Trademark opposition proceedings can involve pleadings, discovery, motions, evidence, and trial briefs.

For foreign-domiciled applicants, U.S. trademark rules generally require representation by a U.S.-licensed attorney in trademark matters before the USPTO.

Working with qualified counsel can help you assess the opposition, understand the procedural requirements, and develop an appropriate strategy.

5. The Most Important Thing: Do Not Miss the Deadline

A trademark opposition does not necessarily end your registration plans.

However, ignoring the notice, responding without understanding the allegations, or missing a deadline can make the situation much more difficult.

The earlier you assess the case, the more effectively you can evaluate your options.

If your U.S. trademark application has been opposed, review the official documents promptly and seek professional advice tailored to your circumstances.


This article is for general informational purposes only and does not constitute legal advice. Outcomes depend on the facts of each case and the applicable U.S. trademark rules.


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