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Published on: Jun 24, 2026

Trademark Class 40: Treatment of Materials

A comprehensive guide to Class 40 of the Trademark Filing Classification. Trademarks must be applied or registered under classes and each class represents a distinct class of goods or services. In this post, we comprehensively cover the services which fall under Class 40 of trademark classification.

Trademark Class 40

Trademark Class 40 pertains to services not included in other classes, rendered by the mechanical or chemical processing or transformation of objects or inorganic or organic substances. For the purposes of classification, the mark is considered a service mark only in cases where processing or transformation is effected for the account of another person. A mark is considered a trade mark in all cases where the substance or object is marketed by the person who processed or transformed it.

The following services are also classified under Class 40:
  • Services relating to transformation of an object or substance and any process involving a change in its essential properties (for example, dyeing a garment); consequently, a maintenance service, although usually in Class 37, is included in Class 40 if it entails such a change (for example, the chroming of motor vehicle bumpers);
  • Services of material treatment which may be present during the production of any substance or object other than a building; for example, services which involve cutting, shaping, polishing by abrasion or metal coating.
The following services are NOT classified under Class 40:
  • Repair services.

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Comprehensive list of services classified under Trademark Class 40

The following services must be classified under Trademark Class 40:
  • abrasion
  • air purification
  • air deodorising
  • air freshening
  • rental of air conditioning apparatus
  • applying finishes to textiles
  • blacksmithing
  • boilermaking
  • rental of boilers
  • bookbinding
  • burnishing by abrasion
  • cadmium plating
  • chromium plating
  • cloth edging
  • cloth cutting
  • cloth waterproofing / fabric waterproofing
  • cloth fireproofing / fabric fireproofing / textile fireproofing
  • cloth dyeing
  • cloth pre-shrinking
  • clothing alteration
  • colour separation services
  • crease-resistant treatment for clothing
  • cryopreservation services
  • custom fashioning of fur
  • custom tailoring
  • custom assembling of materials for others
  • decontamination of hazardous materials
  • services of a dental technician
  • destruction of waste and trash
  • dressmaking
  • dyeing services
  • electroplating
  • embroidery services
  • production of energy
  • fabric bleaching
  • flour milling
  • food smoking
  • food and drink preservation
  • framing of works of art
  • freezing of foods
  • fruit crushing
  • fulling of cloth
  • fur conditioning
  • fur mothproofing
  • fur glossing
  • fur satining
  • fur dyeing
  • galvanization
  • rental of generators
  • gilding
  • glass-blowing
  • gold plating
  • grinding
  • incineration of waste and trash
  • key cutting
  • knitting machine rental
  • laminating
  • laser scribing
  • leather staining
  • leather working
  • lithographic printing
  • magnetization
  • metal plating
  • metal treating
  • metal tempering
  • metal casting
  • millworking
  • nickel plating
  • offset printing
  • optical glass grinding
  • paper finishing
  • paper treating
  • pattern printing
  • permanent-press treatment of fabrics
  • photocomposing services
  • photographic film development
  • photographic printing
  • photogravure
  • planing [saw mill]
  • pottery firing / firing pottery
  • printing
  • processing of cinematographic films
  • processing of oil
  • quilting
  • recycling of waste and trash
  • refining services
  • saddlery working
  • sandblasting services
  • sawing [saw mill]
  • shoe staining
  • silkscreen printing
  • silver plating
  • skin dressing
  • slaughtering of animals
  • soldering
  • sorting of waste and recyclable material [transformation]
  • rental of space heating apparatus
  • stripping finishes
  • tanning
  • taxidermy
  • textile dyeing
  • textile treating / cloth treating
  • textile mothproofing
  • timber felling and processing
  • tin plating
  • material treatment information
  • upcycling [waste recycling]
  • vulcanization [material treatment]
  • warping [looms]
  • waste treatment [transformation]
  • water treating
  • welding services
  • window tinting treatment, being surface coating
  • woodworking
  • wool treating

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Frequently Asked Questions

Common questions about Trademark Class 40: Material Treatment Services Explained.

Trademark Class 40 covers services related to the mechanical or chemical processing or transformation of objects or inorganic or organic substances. It includes services like dyeing, polishing, metal coating, material treatment, and any process that involves changing the essential properties of an object or substance.
No, repair services are not classified under Trademark Class 40. Repair services are typically classified under Trademark Class 37, which covers repair and installation services.
Yes, a service can be classified as both a service mark and a trademark under Class 40. If the processing or transformation is done for the account of another person, it is considered a service mark. However, if the processed or transformed substance or object is marketed by the person who processed or transformed it, it is considered a trademark.
Yes, Trademark Class 40 includes various textile-related services such as cloth dyeing, cloth edging, cloth cutting, cloth waterproofing, cloth fireproofing, fabric bleaching, and textile treating or cloth treating.
Yes, Trademark Class 40 covers services related to food processing, such as food smoking, food and drink preservation, freezing of foods, and fruit crushing.
Yes, services related to waste management, such as destruction of waste and trash, incineration of waste and trash, recycling of waste and trash, sorting of waste and recyclable material, and waste treatment (transformation), are classified under Trademark Class 40.
Yes, Trademark Class 40 includes various metal-related services like blacksmithing, boilermaking, cadmium plating, chromium plating, electroplating, galvanization, metal plating, metal treating, metal tempering, and metal casting.
Yes, Trademark Class 40 includes services related to printing and publishing, such as bookbinding, colour separation services, lithographic printing, offset printing, photographic film development, photographic printing, and photocomposing services.
Yes, Trademark Class 40 covers services related to energy production, specifically the "production of energy" service.
Yes, Trademark Class 40 includes rental services for certain equipment or machinery used in processing or transformation activities, such as the rental of air conditioning apparatus, rental of boilers, rental of generators, and rental of space heating apparatus.