What Is a Trademark Coexistence Agreement and When Is It Used?

Key Takeaways A trademark coexistence agreement is a negotiated legal contract between two parties with similar or identical trademarks that defines the conditions under which both can continue operating without infringing on each other’s rights. ●     Coexistence agreements are used when two businesses have legitimately similar marks and both have some legal basis to continue using them ●     They are commonly used to resolve USPTO Office Actions, TTAB opposition proceedings, and disputes discovered outside of formal legal proceedings ●     A properly drafted agreement defines geographic boundaries, product categories, branding distinctions, and enforcement obligations for both parties ●     Coexistence agreements are not always the right answer — when one party clearly has stronger rights, pursuing enforcement or litigation may deliver a better long-term outcome ●     The USPTO may accept a consent agreement as evidence to overcome a likelihood of confusion refusal, but it is not guaranteed to resolve the examination issue on its own

Two businesses. Similar names. Both operating legitimately. Neither one is willing to rebrand. And both facing the reality that a legal fight would be expensive, slow, and uncertain for everyone involved.

This is the situation that trademark coexistence agreements are designed to resolve. Instead of spending years in federal court or before the Trademark Trial and Appeal Board, two parties negotiate a structured agreement that defines exactly how both can continue using their marks without stepping on each other’s rights.

For business owners in Chicago, across Illinois, and in Washington, D.C., understanding what these agreements are, when they work, and when they fall short can mean the difference between a practical resolution and an unnecessary legal battle.

What Is a Trademark Coexistence Agreement?

A trademark coexistence agreement, also referred to as a consent agreement in USPTO proceedings, is a binding legal contract between two parties who hold or are seeking trademark rights in similar or identical marks. The agreement defines the specific conditions under which both parties may continue to use their respective marks in commerce without either one constituting infringement of the other.

The fundamental premise of the agreement is that the two marks, despite their similarity, can exist in the commercial marketplace simultaneously without causing meaningful consumer confusion, provided that both parties observe the limitations and distinctions established in the contract.

How It Differs From a Trademark License or Assignment

A trademark coexistence agreement is frequently confused with a trademark license or a trademark assignment, but all three are distinct legal instruments.

A trademark license grants one party permission to use another party’s trademark under defined conditions. The licensor retains ownership, and the licensee pays fees or royalties in exchange for use. There is a clear owner and a clear licensee in every licensing arrangement.

A trademark assignment transfers ownership of a trademark from one party to another permanently. After an assignment, only one party holds the trademark rights.

A coexistence agreement is different from both. Both parties retain their independent trademark rights and neither one is subordinate to the other. The agreement simply defines the boundaries within which each party exercises those independent rights, reducing the likelihood of confusion that would otherwise exist between them.

What the Agreement Establishes Between Two Parties

The core purpose of a coexistence agreement is to create a documented, enforceable framework that justifies why both marks can exist in the marketplace without deceiving consumers. This framework typically defines the geographic markets each party may operate in, the goods or services categories each mark covers, the visual or stylistic distinctions each party agrees to maintain, and the steps each party will take if a violation of the agreement occurs.

When Is a Trademark Coexistence Agreement Used?

Coexistence agreements arise in several distinct situations, each with its own dynamics and strategic considerations.

During USPTO Examination When a Likelihood of Confusion Refusal Is Issued

One of the most common contexts for a coexistence agreement is an active USPTO application facing a likelihood of confusion refusal under Section 2(d) of the Lanham Act. When an examining attorney identifies an existing registered trademark that conflicts with your application, they issue an Office Action refusing your registration because consumers would likely confuse the two marks.

One way to respond to this type of refusal is to obtain a signed consent agreement from the owner of the conflicting registered trademark. The consent agreement demonstrates to the USPTO that the owner of the existing mark does not consider your mark to create a harmful likelihood of confusion, which is a significant factor in the examiner’s analysis.

We cover exactly what happens during a likelihood of confusion refusal and the full range of response options in our post on why trademark applications get rejected.

During TTAB Opposition Proceedings

When a trademark application is published in the Official Gazette and a third party files a Notice of Opposition, the parties enter formal proceedings before the Trademark Trial and Appeal Board. Many TTAB opposition proceedings are resolved through a negotiated coexistence agreement before they reach a final decision.

In this context, settling through a coexistence agreement allows both parties to avoid the cost and time of a full TTAB proceeding, which can take 1 to 3 years if contested through to a final decision. The agreement is filed with the TTAB as part of a stipulated dismissal of the opposition, and the applicant’s trademark proceeds to registration under the conditions both parties have agreed upon.

If you are currently facing a TTAB opposition and want to understand all of your options, including settlement, our post on what happens when someone files a Notice of Opposition against your trademark walks through the full proceeding and the role negotiated settlements play within it.

Between Businesses That Discover Each Other Outside of Formal Proceedings

Not all trademark conflicts develop through the USPTO examination process or TTAB proceedings. Many arise when one business discovers another operating under a similar name in the marketplace, either through a trademark watch service, a customer complaint, a web search, or a direct market expansion into a new region.

When two businesses with similar names discover each other, and both have legitimate commercial use of their respective marks, a coexistence agreement negotiated directly between the parties, outside of any formal proceeding, can resolve the conflict efficiently. This is especially common when both businesses have operated under their respective marks for years without prior knowledge of each other, and neither one is clearly in the wrong.

This scenario often develops from the exact dynamics described in our post on what happens when two businesses use the same name in different states, where geographic separation historically allowed similar-named businesses to coexist until online markets or physical expansion brought them into conflict.

Interesting Fact! Under Section 2(d) of the Lanham Act (15 U.S.C. § 1052(d)), the USPTO must refuse registration of any trademark that so resembles an existing registered mark as to be likely to confuse consumers. This statutory refusal ground is the primary legal basis for most trademark conflicts that lead to coexistence agreement negotiations.

What Does a Trademark Coexistence Agreement Typically Include?

A well-drafted coexistence agreement is specific, detailed, and enforceable. Vague agreements that simply state both parties agree to coexist provide little practical protection and create enforcement problems when one party inevitably crosses the line. Here is what every meaningful coexistence agreement addresses.

Geographic Restrictions

The agreement defines the specific geographic markets where each party may use their respective mark. For example, one party may be restricted to operating in Illinois and surrounding states while the other retains exclusive rights in the southeastern United States.

Geographic restrictions made more practical sense before the internet made every brand nationally visible. For businesses with any online presence, pure geographic restrictions are difficult to enforce and may not adequately prevent consumer confusion. A modern coexistence agreement for businesses with e-commerce or national digital presence must address how geographic restrictions interact with online channels specifically.

For businesses operating across Illinois and Washington, D.C., geographic restrictions in a coexistence agreement must account for both physical and digital commercial activity to be practically effective.

Industry and Product Category Restrictions

The agreement specifies which goods or services each party’s mark may be used in connection with. Two businesses with the same name operating in completely different industries may agree that each retains exclusive use of the name within their respective categories, with neither party expanding into the other’s space.

These restrictions work best when the industries involved are genuinely distinct and unlikely to overlap over time. A technology company and a restaurant chain sharing a similar name can often coexist meaningfully under category-specific restrictions. Two e-commerce brands selling related consumer products face a harder challenge defining meaningful category boundaries.

Branding and Appearance Distinctions

Many coexistence agreements require each party to maintain specific visual distinctions in how they use their mark, including differences in logo design, color scheme, tagline, or brand presentation. These distinctions reduce the likelihood that ordinary consumers will confuse the two brands in real-world commercial settings.

These provisions become an ongoing operational obligation. Every time a party updates their branding, packaging, website, or marketing materials, they must ensure the agreed distinctions are preserved. Failure to maintain these distinctions can constitute a breach of the agreement regardless of intent.

Monitoring and Enforcement Provisions

A complete coexistence agreement includes provisions governing what happens when one party believes the other has violated the agreement. This typically includes a notice and cure period during which the alleged violating party has an opportunity to correct the issue before formal legal action may be taken, a dispute resolution mechanism such as mediation or arbitration, and the specific remedies available to the non-breaching party.

Without these provisions, enforcing a coexistence agreement requires going directly to federal court for breach of contract, which is expensive and time-consuming. Built-in dispute resolution mechanisms make enforcement more accessible and practical.

Are you facing a trademark conflict where a coexistence agreement might be the right solution? Sahil Malhotra at Drishti Law offers a free consultation to assess your situation and advise you on whether negotiated coexistence or enforcement is the stronger path for your brand. Call (773) 234-1139 or book at drishtilaw.com/book-a-meeting.

What Are the Benefits and Risks of Entering Into a Coexistence Agreement?

A coexistence agreement is not automatically the right choice simply because a conflict exists. Evaluating both the benefits and the risks honestly determines whether this path serves your long-term brand interests.

Why Coexistence Can Be the Practical Choice

The clearest benefit of a coexistence agreement is certainty. Litigation and TTAB proceedings are expensive, slow, and unpredictable. A negotiated agreement gives both parties control over the outcome rather than leaving it to a tribunal or federal judge whose decision may not align with either party’s commercial interests.

For small businesses and startups in Chicago whose brands have real commercial value but limited litigation budgets, avoiding a multi-year TTAB proceeding or federal court case through a practical negotiated settlement is often the decision that best protects the business overall. Our post on IP mistakes that kill startup valuations covers why unresolved trademark conflicts are a red flag for investors and how resolving them through any legitimate means, including coexistence agreements, protects the company’s fundraising position.

Coexistence agreements also allow both parties to continue operating under their existing marks without the disruption and cost of a forced rebrand. For a business with established brand recognition, avoiding rebranding through a practical settlement can preserve years of built-up customer goodwill.

Where Coexistence Agreements Create Problems

The risks of coexistence agreements are real and should not be underestimated. An agreement that is too broadly written, poorly defined, or lacks meaningful enforcement mechanisms creates ongoing legal uncertainty rather than resolving it.

A common problem is that coexistence agreements restrict the future flexibility of both parties. If your business grows beyond the geographic or category boundaries defined in the agreement, you may be in breach even if your expansion does not actually cause consumer confusion. Negotiating amendments to a coexistence agreement years later, when commercial circumstances have changed, is often as difficult as the original negotiation.

There is also the question of what the agreement communicates about the strength of your trademark rights. Entering into a coexistence agreement is an implicit acknowledgment that the other party has some legitimate claim to a similar mark. In future trademark disputes with other parties, this acknowledgment can become part of the evidentiary record.

When Is a Coexistence Agreement Not the Right Answer?

A coexistence agreement makes sense when both parties have legitimate, roughly equal claims to their respective marks and both have an interest in avoiding costly proceedings. It is not always the right path.

When Your Trademark Rights Are Clearly Stronger

If you hold a federal trademark registration with an earlier filing date and the other party is a recent entrant using a confusingly similar mark in an overlapping industry without any legitimate prior use, you are in a position of legal strength. Entering into a coexistence agreement in that situation may permanently limit the scope of your registered rights in exchange for a settlement that was never necessary.

In situations of clear legal superiority, enforcement through a cease-and-desist letter followed by IP litigation if necessary may deliver a cleaner, stronger, and more permanent resolution than a negotiated agreement that leaves the other party’s mark in the marketplace indefinitely.

Our trademark enforcement services cover the complete enforcement pathway from the initial cease-and-desist through federal court proceedings, for situations where coexistence is not the appropriate resolution.

When the Agreement Cannot Be Meaningfully Monitored

If the other party operates in a business environment where monitoring compliance with the agreement’s branding, geographic, and category restrictions is practically impossible, the agreement may provide a false sense of resolution rather than a real one. An agreement that you cannot effectively monitor and enforce does not protect your brand. It simply creates the appearance of a resolution while the underlying conflict continues.

Before entering into any coexistence agreement, an honest assessment of whether the agreed restrictions are practically enforceable given the nature of both businesses involved is an essential part of the negotiation strategy.

Quick Insight! Under 15 U.S.C. § 1063 of the Lanham Act, any person who believes they would be damaged by the registration of a trademark may file an opposition with the USPTO within 30 days of publication. Once an opposition is filed and instituted by the TTAB, the proceedings may be suspended by the board upon the request of both parties to allow settlement negotiations to occur.

How a Trademark Attorney Helps You Navigate Coexistence Agreement Negotiations

Negotiating a trademark coexistence agreement involves legal judgment at every stage: assessing the actual strength of both parties’ rights, identifying the restrictions that genuinely reduce consumer confusion versus those that simply sound reasonable, drafting provisions that are specific enough to be enforceable, and evaluating whether coexistence or enforcement better serves your long-term brand strategy.

An attorney who regularly handles trademark conflicts brings two specific things that are difficult to replicate in a self-negotiated agreement: a realistic assessment of each party’s legal position before negotiations begin, and drafting precision that prevents the ambiguities that lead to future disputes over what the agreement actually requires.

For businesses across Illinois and those managing trademark rights in multiple states, Drishti Law’s trademark services include conflict assessment, coexistence agreement negotiation and drafting, and full TTAB proceedings representation for situations where settlement is not achievable.

Is a trademark coexistence agreement the right answer for your conflict, or do you have stronger legal options available? Sahil Malhotra at Drishti Law provides a free consultation to give you an honest assessment of your position before you commit to any resolution path. Call (773) 234-1139 or visit drishtilaw.com/book-a-meeting.

Frequently Asked Questions

Q1: Does a coexistence agreement between two parties guarantee that the USPTO will approve my trademark application?

No. A consent agreement is a significant factor in the USPTO’s likelihood of confusion analysis, but it does not automatically override the examiner’s refusal. If the USPTO determines that the marks are so similar and the goods or services so related that consumer confusion is inevitable regardless of the parties’ agreement, the examining attorney may maintain the refusal even with a fully executed consent agreement in the record.

Q2: Can a coexistence agreement be modified after both parties have signed it?

Yes, but only with the written consent of both parties. Unilateral modifications are not enforceable. If your business circumstances change significantly after the agreement is signed, such as expanding into a new geographic market or product category restricted by the agreement, you must negotiate an amendment with the other party before proceeding.

Q3: What happens if the other party violates the terms of our coexistence agreement?

The remedies available for breach depend on what the agreement itself specifies. Most well-drafted agreements include a notice and cure period allowing the breaching party an opportunity to correct the violation, followed by escalation to mediation, arbitration, or federal court litigation if the breach is not cured.

Q4: Is a trademark coexistence agreement the same as a trademark settlement agreement?

The terms are sometimes used interchangeably but they are not identical. A trademark settlement agreement resolves a specific legal dispute between the parties, such as a TTAB opposition or an infringement lawsuit, and may or may not include ongoing coexistence terms. A trademark coexistence agreement specifically establishes the framework under which both parties will use their respective marks going forward.

Q5: Can a coexistence agreement cover trademarks that are registered in different countries?

Yes. International trademark coexistence agreements are common between businesses operating in multiple jurisdictions under similar marks. These agreements are more complex because trademark rights are territorial and each country’s trademark office applies its own standards independently.

Sahil Malhotra is an Intellectual Property Attorney and founder of Drishti Law, licensed in Illinois and Washington D.C., and a member of INTA and IPLAC. To discuss a trademark conflict or coexistence agreement, book a free consultation at drishtilaw.com or call (773) 234-1139.