Introduction

A trademark is a distinctive sign, symbol, word, logo, or combination of these that identifies the goods or services of one business and distinguishes them from those of others. The main purpose of trademark law is to prevent consumer confusion and protect the goodwill of businesses.

Normally, registration is refused if a trademark is identical or deceptively similar to an already registered mark. However, an exception exists under the Doctrine of Honest Concurrent Use. This doctrine allows two or more traders to register similar or identical trademarks if they have honestly used the marks independently over a long period without intending to deceive consumers.

In India, this doctrine is recognised under Section 12 of the Trade Marks Act, 1999. The Registrar has the discretion to permit registration after considering factors such as honesty of adoption, duration of use, extent of use, likelihood of confusion, and public interest.

Judicial Perspective / Case Law

The following judicial decisions explain how Indian courts have interpreted the Doctrine of Honest Concurrent Use and the principles governing the registration of similar trademarks.

Case	Key Principle
London Rubber Co. Ltd. v. Durex Products Incorporated	Honest and continuous use may outweigh the existence of an earlier registered mark.
Kores (India) Ltd. v. Khoday Eshwarsa and Son	Honest concurrent use is an equitable exception and must be exercised carefully.
Amritdhara Pharmacy v. Satya Deo Gupta	Consumer confusion remains the most important consideration.

1. London Rubber Co. Ltd. v. Durex Products Incorporated

The Supreme Court observed that honest concurrent use depends on the facts of each case. Long and genuine use without dishonest intention can justify registration of similar trademarks, provided public confusion is minimal.

Principle: Honest and continuous use may outweigh the existence of an earlier registered mark.

2. Kores (India) Ltd. v. Khoday Eshwarsa and Son

The Supreme Court explained that the registrar should consider the following:

• Duration and extent of use.
• Degree of confusion.
• Honesty in adopting the mark.
• Possible inconvenience to the public.

Principle: Honest concurrent use is an equitable exception and must be exercised carefully.

3. Amritdhara Pharmacy v. Satya Deo Gupta

Although this case mainly dealt with deceptive similarity, the Court emphasised that public confusion remains the most important consideration while deciding trademark disputes.

Principle: Honest use cannot justify registration if consumer confusion is substantial.

Critical Analysis

The doctrine balances the rights of existing trademark owners with those of honest users. It recognises that different businesses may independently adopt similar marks without bad faith.

Advantages

• Protects businesses that have honestly built goodwill.
• Prevents unfair denial of trademark registration.
• Encourages fairness and commercial equity.
• Recognises genuine market practices.

Disadvantages

• May increase consumer confusion.
• Registrar’s discretion may lead to inconsistent decisions.
• Creates uncertainty in trademark protection.
• Can result in lengthy litigation.

Comparative Analysis

Jurisdiction	Approach
India	India follows a flexible approach under Section 12 of the Trade Marks Act, 1999, allowing registration based on honest concurrent use after considering various factors.
United Kingdom	The UK also recognises honest concurrent use. Courts examine the honesty of adoption, duration of use, geographical area of business, and possibility of consumer confusion before granting registration.
United States	The United States generally follows the first-to-use principle. Honest concurrent use may be recognised in limited situations, particularly where businesses have independently operated in different geographical regions without causing consumer confusion.

Suggestions / Recommendations

1. The Registrar should adopt uniform guidelines while applying the doctrine.
2. Consumer confusion should remain the primary consideration.
3. Businesses should conduct trademark searches before adopting a new mark.
4. Awareness about trademark registration should be increased among startups and small businesses.
5. Courts should continue balancing the interests of prior owners and honest concurrent users.

Conclusion

The Doctrine of Honest Concurrent Use is an important exception in trademark law that promotes fairness by protecting businesses that have honestly and independently used similar trademarks over time. While it safeguards genuine commercial interests, its application must always prioritise consumer protection and prevent market confusion. Proper judicial scrutiny and careful exercise of discretion are essential to ensure that the doctrine achieves a fair balance between competing trademark rights.

References

• Avtar Singh, Law of Trade Marks and Passing Off.
• P. Narayanan, Intellectual Property Law.
• Trade Marks Act, 1999.
• London Rubber Co. Ltd. v. Durex Products Incorporated.
• Kores (India) Ltd. v. Khoday Eshwarsa and Son.
• Amritdhara Pharmacy v. Satya Deo Gupta.

Citation (OSCOLA Style)

Authority	OSCOLA Citation
Case	London Rubber Co Ltd v Durex Products Inc AIR 1963 SC 1882.
Case	Kores (India) Ltd v Khoday Eshwarsa and Son (1984) 2 SCC 65.
Case	Amritdhara Pharmacy v Satya Deo Gupta AIR 1963 SC 449.
Statute	Trade Marks Act, 1999 (India), s. 12.

• Delhi High Court on Trademark Non-Use: Genuine Commercial Use Mandatory Under Sections 47 & 57 of the Trade Marks Act
• Understanding Good Practices in Insurance Claim Investigations
• Understanding the Doctrine of Sufficient Cause: Meaning, Scope, and Judicial Approach in Indian Law
• Coexisting in the Marketplace: Legal Validity, Judicial Trends, and the Future of Trademark Coexistence in India
• Balancing Prior Use and Honest Concurrent Adoption in Trade Mark Rectification

Key Takeaways

• The Doctrine of Honest Concurrent Use is an important exception under Section 12 of the Trade Marks Act, 1999, allowing registration of similar or identical trademarks under specific circumstances.
• The doctrine protects businesses that have honestly and independently used similar trademarks over a long period without any intention to deceive consumers.
• The Registrar of Trade Marks has discretionary power to permit registration after evaluating honesty of adoption, duration and extent of use, likelihood of consumer confusion, and public interest.
• Consumer confusion remains the most significant factor in deciding whether similar trademarks can coexist under Indian trademark law.
• The Supreme Court in London Rubber Co. Ltd. v. Durex Products Incorporated held that long-standing, honest, and continuous use may justify registration despite the existence of an earlier registered trademark.
• In Kores (India) Ltd. v. Khoday Eshwarsa and Son, the Supreme Court emphasised that honest concurrent use is an equitable exception that must be applied cautiously after considering all relevant circumstances.
• The judgement in Amritdhara Pharmacy v. Satya Deo Gupta reaffirmed that protecting consumers from deception takes precedence over claims of honest use.
• India follows a flexible approach to honest concurrent use, balancing the rights of prior trademark owners with those of genuine concurrent users while safeguarding public interest.
• Compared with India, the United Kingdom also recognises honest concurrent use, whereas the United States generally follows the first-to-use principle, allowing concurrent rights only in limited situations.
• Businesses should always conduct a comprehensive trademark search before adopting a new brand name or logo to minimise the risk of future disputes and litigation.
• Uniform guidelines for applying the doctrine can improve consistency, reduce uncertainty, and strengthen confidence in India’s trademark registration system.
• The Doctrine of Honest Concurrent Use promotes commercial fairness, protects legitimate business goodwill, and supports equitable trademark registration, provided consumer protection remains the overriding consideration.

Quick Reference Summary

Aspect	Key Takeaway
Statutory Provision	Section 12 of the Trade Marks Act, 1999, permits registration of similar or identical trademarks in cases of honest concurrent use.
Primary Objective	Protect honest commercial users while minimising consumer confusion.
Registrar’s Role	Exercises discretionary power after evaluating honesty, duration of use, public interest, and likelihood of confusion.
Leading Supreme Court Cases	London Rubber Co. Ltd. v. Durex Products Incorporated; Kores (India) Ltd. v. Khoday Eshwarsa and Son; Amritdhara Pharmacy v. Satya Deo Gupta.
Comparative Position	India and the United Kingdom recognise honest concurrent use, while the United States primarily follows the first-to-use principle.
Best Practice	Conduct a comprehensive trademark search before adopting a new trademark.