Connecticut Trademark Registration

If your business operates in Connecticut and uses a brand name, logo, or slogan within the state, registering a trademark at the state level can help establish formal rights in that market. A Connecticut state trademark does not replace federal U.S. trademark protection, but it can provide useful protection for businesses focused primarily on Connecticut commerce.

This guide explains how to register a trademark in Connecticut, what the Connecticut Secretary of the State requires, how the application process works, and when federal trademark registration may be the better option.

Key Facts (Connecticut)

• Authority: Connecticut Secretary of the State
• Application type: State trademark or service mark
• Filing fee: $50 per application
• Specimen: 3 specimens or photographs showing the mark as actually used in Connecticut
• Use requirement: the mark must already be in use in Connecticut before filing
• Term: 5 years from registration, with renewal for successive 5-year periods
• Renewal: must be filed within the 6 months before expiration; renewal fee is $100
• Geographic scope: Protection limited to the State of Connecticut
• Federal alternative: for broader protection, USPTO filing fees generally start at $350 per class, with possible additional fees depending on the application details.

If your business operates beyond Connecticut or plans to expand nationally, federal trademark registration may provide broader protection.

What Is a Connecticut State Trademark?

A Connecticut state trademark (or service mark) is a word, name, symbol, logo, or combination registered with the Connecticut Secretary of the State and used to identify the source of goods or services within Connecticut.

Registering a trademark in Connecticut:

• creates a public record of ownership within the state
• helps deter confusingly similar marks from being adopted by other businesses
• strengthens enforcement options under Connecticut law

However, Connecticut registration only protects the mark within the state. For nationwide protection, businesses typically pursue federal registration with the United States Patent and Trademark Office (USPTO).

Step 1: Search Existing Trademarks in Connecticut

Before filing, conducting a Connecticut trademark search helps confirm that the proposed mark is available.

Search Connecticut trademark records

The Connecticut Secretary of the State maintains records of state trademark and service mark registrations. When reviewing existing records, check for:

• identical or nearly identical marks
• phonetic similarities
• abbreviations or shortened versions
• marks covering similar goods or services

Search beyond the state registry

Even if the state registry appears clear, you should also search:

• federal trademark registrations and applications
• business name registrations
• domain name databases
• social media platforms
• common-law uses identified through general internet searches

These additional searches help identify potential conflicts that may not appear in the state registry alone.

Bonamark provides professional trademark search services that combine Connecticut state records, federal trademark databases, and common-law sources to evaluate risk before filing.

Step 2: Confirm Use of the Mark in Connecticut

Connecticut requires actual use of the mark in commerce before a state trademark application can be filed.

Intent-to-use applications are not available at the state level.

The mark must already be used in connection with goods or services offered in Connecticut.

For goods

The mark should appear on:

• product packaging
• labels or tags
• displays associated with the sale of goods

For services

The mark may appear in:

• advertising materials
• websites offering services within Connecticut
• contracts, invoices, or signage

Documenting how the mark is used can help support both the application and future renewals.

Step 3: Prepare Your Connecticut Trademark Application

A Connecticut trademark application typically requires the following information:

Owner information: individual or legal entity owning the mark

Type of mark: trademark (goods) or service mark (services)

Description of the mark:

• wording for word marks, or
• description of design elements for logo marks

Goods or services description

Classification of goods or services

Dates of first use:

• first use anywhere
• first use in Connecticut

Three specimens or photographs showing the mark as actually used in Connecticut

Signed declaration confirming ownership and use

Providing accurate descriptions and specimens helps avoid delays during the review process.

Specimen Requirements (Connecticut)

Connecticut requires three specimens or photographs showing the mark as actually used in the state.

Examples of acceptable specimens include:

• product packaging or labels
• photographs of signage
• marketing materials or brochures
• website screenshots offering goods or services in Connecticut

The specimen must match the mark as described in the application.

Step 4: File the Application with the Connecticut Secretary of the State

Once the application and specimen are prepared, the filing is submitted to the Connecticut Secretary of the State.

The state reviews the application to confirm:

• the application is complete
• the mark meets statutory requirements
• no obvious conflicts exist with registered marks

Approved applications are recorded in the Connecticut trademark registry.

Step 5: Use, Monitor, and Enforce Your Trademark

Registration helps establish rights, but businesses should also actively protect their marks.

Maintain consistent use

Continue using the mark in the same form as registered.

Monitor the marketplace

Watch for businesses using similar marks in Connecticut.

Enforce rights when necessary

If a confusingly similar mark appears, possible actions include:

• sending a cease-and-desist letter
• negotiating coexistence
• pursuing legal remedies under Connecticut law

State registration strengthens enforcement within Connecticut.

Renewal and Maintenance (5-Year Term)

A Connecticut state trademark registration remains valid for 5 years from the registration date.

To maintain protection, the registration may be renewed for successive 5-year periods as long as the mark remains in use in Connecticut. The renewal must be filed within the 6 months before expiration.

Renewal generally requires:

• filing a renewal application
• payment of the required $100 fee
• confirmation that the mark is still in use in Connecticut
• 3 specimens or photographs showing the mark as actually used in the state

Failure to renew on time may result in cancellation.

Connecticut State Trademark vs Federal USPTO Registration

Businesses operating outside Connecticut often benefit from federal trademark protection.

How Bonamark Can Help

Trademark registration requires careful preparation and strategy. Bonamark assists businesses with trademark searches, application preparation, and filing for both state and federal registrations.

Contact Bonamark to ensure your trademark is filed correctly. Our consultants can guide you through the Connecticut trademark registration process and help determine the best protection strategy for your brand.