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All About Trademark Class 37

All About Trademark Class 37

Trademark Class 37 is a classification used by trademark offices, including the World Intellectual Property Organization (WIPO) & United States Patent and Trademark Office (USPTO), to categorize and register trademarks for specific goods and services. Class 37 primarily covers services related to building construction, repair, and maintenance, as well as services related to various installations such as electrical, plumbing, and heating installations. It includes a wide range of activities related to constructing, repairing, and maintaining buildings and infrastructure. Businesses offering services in these areas would apply for trademark registration under Class 37 to protect their brand identity for these specific services.

Important services included in Trademark Class 37

Trademark Class 37 mainly includes services in the field of construction, as well as services involving the restoration of objects to their original condition or their preservation without altering their physical & chemical properties. The services included in this class are as follows-

  • Construction & demolition of buildings, roads, bridges, dams or transmission lines, as well as services in the field of construction, for instance, interior and exterior painting, plastering, plumbing heating equipment installation, and roofing.
  • Shipbuilding.
  • Rental of construction tools, machines, and equipment, for example, rental of bulldozers, rental of cranes.
  • Various repair services, for example, those in the fields of electricity, computer hardware, furniture, instruments, and tools.
  • Various restoration services, for example, building restoration, furniture restoration and restoration of works of art.
  • Maintenance services for preserving an object in its original condition, without changing any of its properties, for instance, furniture maintenance, vehicle maintenance, swimming-pool maintenance & computer hardware maintenance.
  • Cleaning of different objects, including windows, vehicles, and clothing, as well as the laundering & pressing of the clothing. 

Services does not included in Trademark Class 37

  • Physical storage of goods (included in class 39).
  • Transformation of an object or substance that involves a process of change in its essential properties, for example,-
  • The cutting, dyeing, and fireproofing of cloth (included in class 40)
  • The casting, plating, and treating of metal (included in class 40)
  • Custom tailoring, dressmaking, embroidering (included in class 40)
  • Food & drink preservation (included in class 40)
  • Installation, maintenance and updating of computer software (included in class 42)
  • Creating and hosting websites (included in class 42)
  • Construction drafting and architectural services (included in class 42)

List of popular examples of Trademark Class 37

  • Larsen & Toubro (L&T): Construction, repair, and installation services
  • Shapoorji Pallonji: Builders & developers
  • Punj Lloyd Ltd: Engineering, procurement and construction services
  • Cochin Shipyard Limited: Services of shipbuilding, ship repairs, etc.
  • Simplex Infrastructures: Building construction, repair, installation services, etc.

List of services classified under Trademark Class 37

The detailed list of services that have been covered under this class is given below:


  • Airplane maintenance and repair
  • Anti-rust treatment for vehicles
  • Artificial snow-making services
  • Asphalting
  • Assembly of prefabricated houses
  • Assembly services related to the installation of furniture 


  • Boiler cleaning and repair
  • Bricklaying
  • Building construction supervision
  • Building sealing and damp-proofing [building]
  • Building insulating
  • Building of fair stalls and shops
  • Burglar alarm installation and repair.
  • Burner maintenance and repair


  • Carpentry services
  • Charging Services of cell phone battery
  • Charging of electric vehicles
  • Chimney sweeping
  • Cleaning of buildings [interior]
  • Cleaning of clothing
  • Cleaning of buildings [exterior surface]
  • Clock and watch repair
  • Clothing repair
  • Construction*
  • Construction consultancy
  • Custom installation of exterior, interior & mechanical parts of vehicles [tuning]


  • Demolition of buildings
  • Deodorizing of upholstery
  • Diaper cleaning
  • Disinfecting
  • Drilling of wells
  • Drilling of deep oil or gas wells
  • Dry cleaning


  • Electric appliance installation and repair
  • Excavation of ruins, other than for archaeology 


  • Factory construction
  • Film projector repair and maintenance
  • Fire alarm installation and repair
  • Freezing equipment installation and repair
  • Fur care, cleaning, and repair
  • Furnace installation and repair
  • Furniture maintenance
  • Furniture restoration


  • Harbour construction
  • Hardscaping services
  • Heating equipment installation and repair
  • Housekeeping services [cleaning services]
  • Hydraulic fracturing services/ fracking services


  • Information technology consultancy related to installation, maintenance & repair of computer hardware 
  • Installation & repair of air-conditioning apparatus
  • Installation & repair of flood protection equipment
  • Installation, maintenance, and repair of computer hardware
  • Installation of doors and windows
  • Installation of utilities in construction sites
  • Interference suppression in electrical apparatus
  • Irradiation of medical instruments
  • Irrigation device installation and repair


  • Jewellery repair services
  • Joinery services [repair of woodwork]


  • Kitchen equipment installation
  • Knife sharpening


  • Laundering
  • Laying of artificial turf
  • Laying of cable
  • Leather care, cleaning, and repair
  • Linen ironing


  • Machinery installation, maintenance, and repair
  • Maintenance of passenger lifts/ elevators through remote monitoring systems
  • Masonry
  • Mining extraction
  • Motor vehicle maintenance and repair


  • Office machines and equipment installation, maintenance, and repair


  • Painting or repair of signs
  • Painting, interior, and exterior
  • Paper hanging or wallpapering
  • Parasol repair
  • Passenger lift/ elevator installation & repair
  • Pest control services, other than for agricultural, aquaculture, horticulture, and forestry 
  • Photographic apparatus repair
  • Pier breakwater building
  • Pipeline construction and maintenance
  • Plastering
  • Plumbing
  • Pressing of clothing
  • Providing construction information
  • Providing information related to repairs
  • Pumicing
  • Pump repair


  • Quarrying services


  • Re-tinning
  • Rebuilding engines that have been worn or partially destroyed
  • Rebuilding machines that have been worn or partially destroyed
  • Refilling of gas cylinders used for making carbonated beverages
  • Refilling ink
  • Refilling of toner cartridges
  • Renovation of clothing
  • Rental of battery chargers
  • Rental of bulldozers
  • Rental of cleaning machines
  • Rental of construction equipment
  • Rental of cranes [construction equipment]
  • Rental of dish-drying machines
  • Rental of dishwashing machines
  • Rental of drainage pumps
  • Rental of excavators
  • Rental of laundry washing machines
  • Rental of portable power chargers
  • Rental of road sweeping machines
  • Rental of sterilizers for medical instruments
  • Repair of security locks
  • Repair of power lines
  • Restoration of works of art
  • Restoration of musical instruments
  • Restoration of printed photographs
  • Restoration of works of art
  • Retreading of tyres
  • Riveting
  • Road paving
  • Roofing services
  • Rustproofing 


  • Safe maintenance and repair
  • Sanding
  • Sanitizing of upholstery
  • Scaffolding
  • Services of electricians
  • Shipbuilding
  • Shoe maintenance and repair
  • Snow removal
  • Sterilization of medical instruments
  • Street cleaning
  • Strong-room maintenance and repair
  • Swimming-pool maintenance


  • Telephone installation and repair
  • Tuning of bodies for automobiles
  • Tuning of musical instruments
  • Tyre balancing


  • Umbrella Repair
  • Underwater construction
  • Underwater repair
  • Upholstering
  • Upholstery repair


  • Varnishing
  • Vehicle lubrication [greasing] 
  • Vehicle washing
  • Vehicle polishing
  • Vehicle service stations [refuelling and maintenance]
  • Vehicle maintenance
  • Vehicle cleaning
  • Vehicle breakdown repair services
  • Vehicle battery charging
  • Vermin exterminating, other than for agriculture, aquaculture, horticulture, and forestry
  • Vulcanization of tyres [tires] 


  • Warehouse construction and repair
  • Washing of linen
  • Washing
  • Window cleaning


Applying for a trademark under Class 37 is a critical step for construction, repair, and maintenance businesses. It provides legal protection, brand recognition, and the ability to enforce your trademark rights with these specific services. By following the proper application process, including conducting a trademark search, identifying the correct class, and submitting the necessary documents to the relevant trademark office, you can secure exclusive rights to your trademark in Class 37, safeguard your brand identity, and enhance the marketability and value of your business. It is essential to consult with trademark professionals or your local trademark office to ensure a successful and legally sound trademark registration.

At LegalPillers, we are here to help you for navigating the complexities related to the classification and registration of the trademark passionately, making sure that your trademark is safeguarded within this important class of services. Choose LegalPillers as your trusted partner for the classification and registration of the trademark.

(FAQs) about Trademark Class 37

What is Trademark Class 37?

● Trademark Class 37 is one of the 45 classes used to categorize goods and services for trademark registration, primarily covering building construction, repair, and maintenance services.

Why is Class 37 important for businesses?

● Class 37 is important for businesses in the construction and maintenance sectors as it provides legal protection for their brand identity in these specific services.

Can I register a trademark for multiple classes, including Class 37?

● Yes, you can register a trademark for multiple classes to cover various goods or services. However, each class requires a separate application and payment of fees.

How do I determine if my business falls under Class 37?

● If your business offers services related to building construction, repair, or maintenance, you likely fall under Class 37. Consult with a trademark attorney for precise classification.

Do I need to conduct a trademark search before applying to Class 37?

● Yes, conducting a trademark search is advisable to ensure your desired trademark is unique and not already registered in Class 37.

What documents do I need to apply for a trademark in Class 37?

● You will need a completed trademark application form, a clear representation of your trademark, a description of your services, and owner details.

Can I apply for a trademark in Class 37 online?

● Many trademark offices allow online filing of trademark applications, making the process more convenient.

How long does the trademark registration process take for Class 37?

● The duration varies by jurisdiction but can take several months to a few years, depending on factors like opposition and administrative processing.

What happens during the trademark examination phase in Class 37?

● During examination, the trademark office checks for compliance with requirements, including uniqueness and proper classification.

Is there an opposition period in Class 37 registration?

● Yes, in many jurisdictions, there is an opposition period during which third parties can object to your trademark registration.

What rights does trademark registration in Class 37 provide?

● Trademark registration grants exclusive rights to use the mark for construction, repair, and maintenance services in Class 37.

Can I license my Class 37 trademark to others?

● Yes, you can license or franchise your trademark to others for use in Class 37 services, creating additional revenue streams.

What happens if someone infringes on my Class 37 trademark?

● If someone infringes on your trademark, you can take legal action to enforce your rights, seeking damages or injunctions.

Do I need to renew my trademark registration in Class 37?

● Yes, trademark registrations usually require periodic renewal to remain in force.

Can a Class 37 trademark cover services beyond construction and repair?

● It can cover related services, but it is essential to describe the services in your application accurately.

Can I expand my services under a Class 37 trademark?

● Yes, you can expand your services within Class 37 or enter new markets, leveraging your registered trademark.

What is the role of a trademark attorney in Class 37 registration?

● A trademark attorney can provide legal guidance, conduct searches, and assist in the application process, increasing the chances of successful registration.

Can I change the class of my trademark after registration?

● Changing the class of a registered trademark can be challenging and may require legal advice. It is best to get the classification right during the initial application.

What happens if my Class 37 trademark application is rejected?

● If your application is rejected, you can appeal the decision or make amendments to address the issues raised by the trademark office.

How long does a Class 37 trademark registration last?

● The duration of trademark registration varies by jurisdiction but is typically renewable every 10 years. 

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