Which classes are related to class 37?

Offices often treat class 19 (building materials) and class 42 (technology and SaaS) as related. Construction marks meet building materials in class 19 and design and engineering services in class 42.

How much does it cost to add class 37 to an application?

As of 2026 the USPTO charges 350 USD per class, the EUIPO includes the first class in its 850 EUR basic fee and charges 50 EUR for a second class and 150 EUR for each further class, and the UK IPO charges 50 GBP for each class after the first. Fees are paid to the office.

What does not belong in class 37?

For architectural design, use class 42. For building materials, use class 19.

Class 37 trademark for construction and repair

Short answer

Class 37 covers building construction, renovation, repair and installation services, including vehicle repair, cleaning of buildings and equipment maintenance. You file in class 37 when you sell these services under your brand; most offices charge an official fee per class.

Typical services in class 37

construction
renovation
repair
installation

Official class heading, Nice Classification 12th edition

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Often filed in class 37 by mistake

Filing in the wrong class leaves your real products unprotected and still costs the class fee. These belong elsewhere.

Goods or services	Correct class
Architectural design	Class 42
Building materials	Class 19

Typical conflicts for class 37 marks

Construction marks meet building materials in class 19 and design and engineering services in class 42.

An office compares your mark with earlier marks for identical and related goods or services, not only within the same class. Run a trademark availability search to see the closest marks in class 37 and its neighbours, or order a clearance search before a launch.

Frequently asked questions

What does class 37 cover?: Class 37 covers building construction, renovation, repair and installation services, including vehicle repair, cleaning of buildings and equipment maintenance.
Which classes are related to class 37?: Offices often treat class 19 (building materials) and class 42 (technology and SaaS) as related. Construction marks meet building materials in class 19 and design and engineering services in class 42.
How much does it cost to add class 37 to an application?: As of 2026 the USPTO charges 350 USD per class, the EUIPO includes the first class in its 850 EUR basic fee and charges 50 EUR for a second class and 150 EUR for each further class, and the UK IPO charges 50 GBP for each class after the first. Fees are paid to the office.
What does not belong in class 37?: For architectural design, use class 42. For building materials, use class 19.

General information based on the Nice Classification, 12th edition, as of 2026. Offices decide the class of each item; this is not legal advice.

Typical services in class 37

Often filed in class 37 by mistake

Typical conflicts for class 37 marks

Classes related to class 37

Frequently asked questions

Check your name in class 37