TaxTMI 
TaxTMI 
Introduction
The law of trademarks has traditionally revolved around conventional indicators of commercial origin, such as words, names, logos, labels, symbols, and devices. These conventional trademarks have historically served as the primary means through which consumers distinguish the goods and services of one enterprise from those of another. However, the rapid evolution of marketing strategies, technological innovation, and consumer perception has significantly transformed the nature of brand identity. Modern businesses increasingly rely upon sensory and experiential elements that extend beyond visual representations, giving rise to what are commonly termed as 'unconventional' or 'non-traditional' trademarks.
The emergence of unconventional trademarks reflects a broader shift in intellectual property jurisprudence, wherein the concept of brand recognition is no longer confined to visible signs alone. Sounds, colours, product shapes, textures, holographic displays, scents, and even celebrity identities have acquired substantial commercial significance. These elements often perform the same source-identifying function as traditional trademarks and therefore merit legal protection.
India's trademark regime, governed principally by the Trade Marks Act, 1999 and the Trade Marks Rules, 2017, has progressively evolved to accommodate certain categories of unconventional marks. Nevertheless, significant legal and practical challenges continue to exist regarding their registration, distinctiveness, graphical representation, and enforcement.
This article examines the evolution of unconventional trademarks in India, analyses the legal framework governing their protection, and discusses the mechanisms available for securing and enforcing rights in such marks.
Concept of Unconventional Trademarks
An unconventional trademark may be broadly defined as any sign capable of distinguishing the goods or services of one undertaking from those of another, other than traditional word marks, logos, labels, or devices.
The foundation for the recognition of unconventional trademarks lies in the expansive definition of a 'mark' under Section 2(1)(m) of the Trade Marks Act, 1999, which includes a device, brand, heading, label, ticket, name, signature, word, letter, numeral, shape of goods, packaging, or combination of colours. Similarly, Section 2(1)(zb) defines a trademark as a mark capable of graphical representation and capable of distinguishing the goods or services of one person from those of others.
The broad legislative language has enabled Indian trademark law to gradually embrace non-conventional subject matter, particularly where such elements possess distinctiveness and function as indicators of commercial origin.
Sound Marks: Recognition Through Auditory Distinctiveness
Among all unconventional trademarks, sound marks have received the clearest legal recognition in India.
A sound mark refers to a distinctive sound capable of identifying the source of goods or services. Such sounds may consist of musical notes, jingles, tones, or other audio sequences that have acquired brand association in the minds of consumers.
The landmark recognition of sound marks in India can be traced to the registration of the famous corporate yodel of Yahoo and subsequently the registration of the ICICI Bank corporate jingle. The introduction of the Trade Marks Rules, 2017 further facilitated registration by permitting applicants to submit sound files in MP3 format accompanied by graphical notations.
To qualify for protection, the sound must possess inherent or acquired distinctiveness and must not merely perform a functional purpose. Generic sounds commonly associated with a product category are unlikely to receive protection.
Businesses seeking protection should maintain evidence demonstrating consumer association between the sound and the brand, including advertising campaigns, market surveys, and long-standing commercial usage.
Smell Marks: The Continuing Challenge of Representation
Smell marks represent one of the most controversial categories of unconventional trademarks globally.
A smell mark consists of a distinctive scent associated with goods or services that enables consumers to identify their commercial source. Examples from international jurisdictions include fragrances associated with tennis balls, sewing thread, and retail environments.
In India, however, no smell mark has yet been successfully registered. The primary obstacle arises from the statutory requirement that a trademark must be capable of graphical representation. Unlike visual or auditory signs, scents are inherently difficult to represent with sufficient clarity, precision, objectivity, and permanence.
The absence of universally accepted methods for describing and reproducing smells creates substantial uncertainty regarding registration and enforcement. Although technological developments in scent coding and digital olfactory systems may eventually facilitate recognition, smell marks currently remain largely theoretical within the Indian trademark framework.
Businesses relying upon distinctive scents may instead consider alternative forms of protection through trade secret law, contractual confidentiality arrangements, and unfair competition principles.
Taste Marks and Their Limited Recognition
Taste marks are perhaps the most difficult category of unconventional trademarks to protect. A taste mark seeks to secure trademark rights over a particular flavour associated with a product. While theoretically possible, taste marks encounter significant legal obstacles because consumers generally perceive taste as a functional characteristic of a product rather than as an indicator of commercial origin.
Indian trademark law has not yet recognized any taste mark registrations. The principal challenge lies in establishing distinctiveness. Unlike logos or sounds, consumers rarely associate a flavour exclusively with a single source.
Furthermore, tastes are subjective and difficult to represent graphically. Functional considerations also create barriers because granting exclusive rights over a product's flavour could unfairly restrict competition within a particular market segment.
Accordingly, trademark protection for taste remains largely unavailable in India, and businesses must rely upon branding strategies that complement the product's sensory characteristics.
Colour and Colour Combination Marks
Colours possess immense commercial value in contemporary branding. Consumers frequently associate particular colours with specific enterprises, often without the need for accompanying textual indicators.
Indian law expressly recognizes combinations of colours as protectable marks under Section 2(1)(m) of the Trade Marks Act, 1999. However, the registration of a single colour remains considerably more difficult because colours are generally considered incapable of distinguishing commercial origin without proof of acquired distinctiveness.
The jurisprudence surrounding colour marks is influenced by international developments involving brands that have successfully secured protection for distinctive colour schemes. Courts generally require substantial evidence demonstrating that consumers identify the colour or colour combination exclusively with a particular business.
Applicants seeking registration of colour marks must establish:
- Distinctiveness;
- Extensive and continuous use;
- Consumer recognition;
- Absence of functional necessity; and
- Market association with the applicant's goods or services.
Given these evidentiary requirements, colour marks often demand significant investment in branding and market penetration before protection becomes attainable.
Texture Marks: Emerging Frontiers in Trademark Law
Texture marks refer to distinctive surface characteristics that consumers recognize through touch. Examples may include uniquely textured packaging, embossed surfaces, specialized fabric patterns, or tactile product features that have become associated with a particular source.
Although Indian trademark law does not expressly address texture marks, the broad statutory definition of a mark may theoretically accommodate such protection if the applicant can establish distinctiveness and graphical representation.
The principal challenge lies in demonstrating that consumers perceive the texture as a source identifier rather than a functional feature. Functional textures that enhance grip, usability, or performance are unlikely to qualify for trademark protection because they serve utilitarian rather than distinctive purposes.
As sensory marketing continues to evolve, texture marks may emerge as an important area of future trademark development in India.
Celebrity Personality Rights and Trademark Protection
The commercialization of celebrity identities has generated significant legal interest in personality-based trademarks.
A celebrity's name, signature, voice, image, likeness, catchphrase, mannerisms, or other distinctive attributes often possess substantial commercial value. Unauthorized exploitation of such attributes may mislead consumers into believing that a celebrity endorses a particular product or service.
Indian law does not currently contain a comprehensive statutory framework governing personality rights. Nevertheless, courts have recognized such rights through constitutional principles, passing off actions, privacy jurisprudence, and trademark law.
Several celebrities have successfully secured trademark registrations for their names and associated brand elements. Registration provides enhanced protection against unauthorized commercial exploitation and strengthens enforcement mechanisms.
Celebrities and public personalities should proactively register:
- Names;
- Signatures;
- Catchphrases;
- Stylized logos;
- Nicknames;
- Brand identifiers; and
- Merchandising elements.
Such registrations create valuable intellectual property assets capable of licensing, commercialization, and legal enforcement.
Hologram Trademarks: Protecting Dynamic Brand Identity
Technological innovation has introduced holograms as a sophisticated branding mechanism.
A hologram trademark consists of a three-dimensional visual image that changes appearance depending upon viewing angle, light conditions, or movement. Such marks are increasingly used in luxury products, authentication systems, anti-counterfeiting measures, and advanced marketing campaigns.
The Trade Marks Rules, 2017 recognize the possibility of registering hologram marks by permitting representations that adequately depict the holographic effect.
Applicants must demonstrate that the hologram serves a trademark function rather than merely performing decorative or security-related purposes. Distinctiveness remains the central criterion.
As augmented reality, virtual commerce, and digital branding continue to expand, hologram trademarks are expected to gain increasing commercial significance within India.
Three-Dimensional Trademarks and Product Shape Protection
Three-dimensional trademarks represent one of the most commercially significant forms of unconventional trademarks. A three-dimensional mark protects the shape of goods, packaging, containers, or product configurations that distinguish a product's commercial origin.
Indian law expressly recognizes shape marks under Section 2(1)(m) of the Trade Marks Act, 1999. However, Section 9(3) imposes important limitations by prohibiting registration of shapes that:
- Result from the nature of the goods themselves;
- Are necessary to achieve a technical result; or
- Add substantial value to the goods.
Consequently, only non-functional and distinctive product shapes qualify for trademark protection.
Three-dimensional trademarks are particularly valuable in industries such as beverages, luxury goods, cosmetics, consumer electronics, and packaging design. Businesses seeking protection should establish that consumers recognize the shape independently of any accompanying branding elements.
Legal Challenges in Protecting Unconventional Trademarks
Despite legislative progress, several challenges continue to impede the protection of unconventional trademarks in India.
- First, the requirement of distinctiveness remains a substantial hurdle. Many unconventional signs are not inherently distinctive and must acquire secondary meaning through extensive use.
- Second, graphical representation continues to create difficulties for sensory marks such as smells, tastes, and textures.
- Third, enforcement presents practical challenges because infringement may be difficult to identify, prove, and quantify.
- Fourth, the functionality doctrine restricts the scope of protection for features that serve technical or utilitarian purposes.
- Finally, rapid technological developments frequently outpace existing legal frameworks, creating uncertainty regarding emerging forms of brand expression.
Strategies for Protecting Unconventional Trademarks
Businesses seeking to protect unconventional trademarks should adopt a comprehensive intellectual property strategy.
- First, trademark registration should be pursued wherever legally feasible. Registration provides statutory rights, presumptive validity, and stronger enforcement mechanisms.
- Second, evidence of acquired distinctiveness should be systematically maintained through advertising records, consumer surveys, media coverage, sales data, and market research.
- Third, businesses should supplement trademark protection with copyright, design, trade secret, contractual, and unfair competition remedies where appropriate.
- Fourth, continuous market monitoring should be undertaken to identify unauthorized use and prevent dilution of distinctive brand elements.
- Finally, brand owners should engage in proactive enforcement measures, including cease-and-desist notices, opposition proceedings, infringement actions, and passing-off claims where necessary.
Conclusion
The evolution of unconventional trademarks reflects the transformation of branding in an increasingly experience-driven and technology-oriented marketplace. Modern consumers identify products not merely through names and logos but through sounds, colours, shapes, textures, holographic displays, and even personal identities associated with brands. Consequently, trademark law has been compelled to expand beyond its traditional boundaries to accommodate these emerging indicators of commercial origin.
India has made notable progress in recognizing certain categories of unconventional trademarks, particularly sound marks, colour combinations, shape marks, holograms, and personality-based identifiers. Nevertheless, significant challenges remain with respect to smell, taste, and texture marks, largely due to difficulties surrounding graphical representation, distinctiveness, and functionality.
As technology continues to redefine consumer interaction and brand communication, unconventional trademarks are likely to assume increasing importance within the intellectual property landscape. Businesses that proactively identify, register, and enforce such assets will be better positioned to secure competitive advantages and preserve brand integrity. The future of trademark protection in India will therefore depend not only upon legislative adaptation but also upon judicial willingness to embrace innovative forms of commercial identity in an ever-evolving marketplace.