Trademark Class 37: Building Construction, Installation & Repair Services

trademark class 37

India’s infrastructure boom makes Class 37 one of the country’s most important trademark categories. Whether you’re in civil construction, home and commercial repairs, building installations, or maintenance services, your company’s reputation is everything. Registering your brand under Class 37 protects your business identity against copycats and confusion, helping earn client trust and legislative support in a crowded market.

What is Trademark Class 37?

Trademark Class 37 covers all services involving construction, repair, installation, maintenance, and cleaning. If your work builds, fixes, installs, or keeps things running—whether it’s a skyscraper, a highway, wiring, hardware, or appliances—Class 37 applies to your service brand.

Key Service Areas in Class 37:

  • Construction of buildings, public works, engineering projects
  • Repair of homes, vehicles, machinery, electronics
  • Installation of systems (ACs, elevators, security)
  • Maintenance and upkeep (both preventive and restorative)
  • Demolition, cleaning, exterminating, and restoration
  • Rental of construction apparatus, tools, and machinery

What’s Included in Trademark Class 37?

1. Building and Civil Construction

  • Residential and commercial buildings
  • Factories, offices, and airport construction
  • Roads, bridges, tunnels, dams, railways
  • Water supply, pipelines, transmission lines

2.Repair and Restoration Services

  • Electronic repair (TVs, computers, home appliances)
  • Motor garage, automobile repair, breakdown services
  • Building renovation, marble and tile restoration, painting
  • Machine rebuilding, refurbishment, and hardware servicing

3.Installation Services

  • Air conditioning, heating and refrigeration installation
  • Plumbing, electrical, and security system setup
  • Elevator, escalator, and conveyor installation
  • Solar panels, wind turbines, and smart-home equipment

4.Cleaning & Pest Control

  • Office and industrial cleaning, carpet/floor cleaning
  • Disinfection and pest extermination services
  • Pool cleaning, window washing, sanitation

5.Drilling, Mining, Demolition

  • Well drilling, mining, ground excavation
  • Demolition of structures, blasting, and site clearing

6.Rental & Leasing

  • Rental of cranes, bulldozers, and other heavy equipment
  • Leasing cleaning tools, construction plant machinery

What’s NOT in Class 37?

  • Sale of goods/products (hardware, elevators, chemicals, etc.)—these are covered under product classes, not Class 37
  • Designing services (architecture, interiors)—mostly Class 42
  • Landscaping and garden design—Class 44
  • Transport, logistics, or storage—Class 39
  • IT/software (even for automation in construction)—Class 42

Who Must Register Under Class 37?

  • Construction firms and real estate developers
  • Repair agencies: appliances, vehicles, electronics, infrastructure
  • Installers: HVAC, elevators, security, power/green tech
  • Facility management and cleaning businesses
  • Pest and vermin control companies
  • Home renovation and interior services
  • Machinery and equipment rental companies
  • Utility, mining, and extraction contractors
  • Subcontractors in plumbing, masonry, electrical, and carpentry

Legal Benefits of Trademark Registration

  1. Exclusive Rights:
    Only you can use your registered name/logo for Class 37 services, ensuring market distinctiveness.
  2. Market Expansion:
    Supports franchising, licensing, and partnerships; essential for large government or public contracts.
  3. Credibility & Trust:
    Clients (private and public) want registered trademarks—proof you’re legitimate and professional.
  4. Quick Dispute Resolution:
    Gives you authority to stop infringers, pursue legal actions, and reclaim revenues lost to fake firms.

How to Register a Trademark in Class 37

  1. Run a trademark search:
    Check your desired name/logo’s availability.
  2. Prepare documents:
    Brand artwork, applicant ID, address, business incorporation proof, service description.
  3. File your application:
    Do it online (Form TM-A) through the government portal 
  4. Face examination:
    Registry checks for conflicts/objections.
  5. Journal publication:
    Accepted marks get published for third-party opposition (4 months).

Registration certificate:
If uncontested, get your certificate, valid for 10 years—renew your trademark.

What Documents & Fees Do You Need ?

  • Logo (JPEG/PNG, 200–2000px wide)
  • Applicant info (ID, address, legal docs)
  • Business registration proof (if not individual)
  • POA if represented by an agent/lawyer
  • Fee: ₹4,500 (individual/startup/MSME, online); ₹9,000 (company, online) per class/mark

Top Indian Brands With Class 37 Registration

BrandArea of Service
Larsen & Toubro (L&T)Engineering, mega construction projects
Tata ProjectsLarge-scale infrastructure, power plants
Shapoorji PallonjiConstruction and property development
Godrej PropertiesReal estate, building services
VoltasHVAC, air conditioning installations
Hindustan ConstructionBridges, dams, transport infrastructure
Blue StarIndustrial refrigeration, AC installations

Best Practices for Class 37 Brand Protection

  • Describe all your core and peripheral services: Cover current offerings and future plans.
  • Register both name (wordmark) and logo (device mark).
  • Renew your mark every 10 years, without lapse.
  • Monitor the registry—oppose confusingly similar new entries.
  • Expand with Madrid Protocol if you work cross-border.

Conclusion

Trademark Class 37 is the gold standard for any Indian service business in construction, repair, installation, or maintenance industries. As competition heats up in India’s infrastructure revolution, only those with a registered brand will win the trust, contracts, and opportunities that lead to growth.

Don’t leave your identity unprotected—conduct a trademark search, file your registration, and keep renewing for uninterrupted brand power. For specialized help, rely on Kaagzaat your expert partner for all things trademarks in 2025 and beyond!