Trademark Opposition in India: When to File, and How It Works

A company’s trademark application gets published. Two weeks later, a notice of opposition lands. A competitor has challenged the mark, claiming it is deceptively similar to their own registered brand in the same product category. The application that was weeks away from registration is now frozen, and what follows is a procedural battle that could last anywhere from several months to over two years.

Trademark opposition is one of the most consequential stages in the trademark registration process, and one of the least understood. Most businesses either miss the window to oppose a competitor's mark, or receive a notice of opposition and do not know what it actually requires of them. Both situations are avoidable.

What Trademark Opposition Is and When It Arises

Once a trademark application clears examination and is accepted by the Trademark Registry, it is published in the Trademark Journal. The Trademark Journal , published weekly on the IP India portal. From the date of that publication, any person has four months to file a formal opposition challenging the registration of that mark.

Four months is the window. It does not extend. A party that identifies a conflicting mark after the opposition period has closed cannot use this route and must instead consider post-grant opposition or other legal proceedings after registration.

Opposition is not a civil suit. It is an administrative proceeding conducted before the Registrar of Trade Marks, which means it does not require filing in a court and follows the procedural framework set out under the Trade Marks Act, 1999 and the Trade Marks Rules, 2017.

Who Can File an Opposition

Any person can file an opposition. The law does not restrict this right to registered trademark holders. A business that has been using a brand name in the market for years, without ever registering it, can oppose a newly published mark if they can demonstrate prior commercial use and likely confusion.

This is an important point that many brand owners miss. A competitor publishing a mark that resembles an unregistered but well-established brand is not beyond challenge simply because the established brand was never formally registered. Prior use is a recognised ground of opposition under Indian trademark law, and it has successfully stopped registrations in numerous proceedings before the Registrar.

Absolute and Relative Grounds: The Two Categories That Matter

Opposition grounds in India fall into two broad categories, and understanding which applies determines how the case is built.

Absolute grounds relate to the mark itself, independent of any conflict with another brand. A mark that is purely descriptive of the goods, generic in the trade, likely to deceive consumers, or contrary to public policy can be opposed on absolute grounds regardless of whether the opponent holds any prior mark. For example, a pharmaceutical company attempting to register a mark that simply describes the drug's function, such as "FastRelief" for a painkiller, can be opposed by any party on the basis that the mark is descriptive and should not be monopolised by one entity.

Relative grounds relate to conflict with earlier rights. A mark that is identical or deceptively similar to an existing registered mark, or to a mark for which an application is already pending, can be opposed on relative grounds. This is the most common basis for opposition in commercial disputes. The assessment involves looking at the similarity of the marks, the similarity of the goods or services, and the likelihood that an ordinary consumer would be confused about the commercial origin of the product.

A well-known trademark status can provide an important additional basis for refusal under relative grounds. Under Section 11(2) of the Trade Marks Act, the owner of a well-known mark can oppose registration of a similar mark even in a completely different product category, if registration of the new mark would take unfair advantage of, or be detrimental to, the distinctive character or reputation of the well-known mark. This is the cross-class protection that ordinary registered marks generally do not receive.

The Procedural Sequence: What Happens After Opposition Is Filed

Once a notice of opposition is filed using Form TM-O, the Trademark Registry serves a copy on the applicant. From that point, the following sequence applies. 

The applicant has two months to file a counterstatement. This is not extendable. If the applicant does not file a counterstatement within two months, the application is treated as abandoned under Section 21(2) of the Trade Marks Act, 1999. This is one of the most consequential deadlines in the entire registration process, and missing it means losing the application entirely, regardless of how strong the underlying mark may be.

Once the counterstatement is filed, the opposition enters the evidence stage. The opponent files evidence in support of the opposition under Rule 45 of the Trade Marks Rules, 2017 within two months of the receipt of the counterstatement, typically through affidavits supported by documentary exhibits such as invoices, advertising records, registration certificates, and market survey evidence. The applicant then has an opportunity to file evidence in support of the counterstatement under Rule 46 of the Trade Marks Rules, 2017 within two months of the receipt of the Opponent’s Evidence. Then the Opponent, if desired, may file Evidence in Reply under Rule 47 of the Trade Marks Rules, 2017 within one month of the receipt of the Applicant’s Evidence; this stage is not mandatory. After the evidence stage is complete, the matter may proceed to a hearing before the Registrar, where both sides present oral arguments.

The Registrar then decides whether the mark should proceed to registration, be registered in a limited form, or be refused.

What Actually Decides the Outcome

This is the part that procedural guides consistently miss. The outcome of a trademark opposition is rarely decided by which side files more paperwork. It is decided by the quality of the evidence and the legal arguments built around it.

For the opponent, the strongest opposition case combines clear evidence of prior use with a well-argued showing of likelihood of confusion. Prior use evidence needs to be dated, consistent, and cover the period before the applicant's filing date or the applicant’s first use of the mark. Invoices, packaging, advertisements, website screenshots with timestamps, and third-party references all serve this purpose. An opposition built on a claim of prior use without documentary support of that use is vulnerable to being dismissed regardless of how similar the marks actually are.

For the applicant defending against an opposition, the counterstatement needs to do more than deny the opponent's claims. It needs to affirmatively distinguish the mark, explain why confusion is unlikely, and, where prior use of the applicant's own mark is relevant, provide supporting evidence of that use. A counterstatement that simply says "the marks are not similar” without engaging with the specific grounds raised rarely succeeds at the hearing stage.

When It Makes Commercial Sense to Oppose

Not every conflicting mark that appears in the Trademark Journal warrants an opposition. Filing an opposition initiates a proceeding that takes time and legal resources. The decision to oppose should be based on a clear-eyed assessment of several factors.

How similar are the marks, and how similar are the goods or services under the two conflicting marks? The closer the similarity on both counts, the stronger the grounds and the greater the commercial risk if the mark proceeds to registration. A mark that sounds similar but operates in a completely unrelated market is a much weaker opposition candidate than one that directly targets the same customer base.

Does the opponent have clear evidence of prior use or prior registration that supports the grounds being raised? An opposition without strong evidence behind it is expensive to pursue and uncertain in outcome.

What is the commercial consequence if the mark is registered? If a competitor's mark, once registered, would give them legal standing to challenge the opponent's own use in that market, the stakes are high enough to justify opposition proceedings. If the practical impact on the business is limited, negotiating a coexistence agreement may be a faster and more cost-effective resolution than a full opposition proceeding.

When Coexistence Is the Better Route

Coexistence agreements allow two businesses to continue using similar marks by defining the boundaries of each party's use, typically by territory, product category, or market channel. Where the two businesses genuinely operate in distinct markets and consumer confusion is unlikely, a coexistence agreement can resolve an opposition without the time and cost of a full hearing. Even then, the Registrar retains discretion over whether to permit registration on that basis, and any agreement requires careful drafting to be effective and enforceable.

M&P IP Protectors is an IPR law firm in Ahmedabad advising businesses on trademark opposition proceedings, both filing oppositions against conflicting marks and defending applications against oppositions filed by third parties. If you have identified a potentially conflicting mark in the Trademark Journal, or have received a notice of opposition, schedule a consultation with our trademark registration attorneys to assess your position before the next deadline.