Someone has applied to register a trademark in Ukraine that clashes with yours — or your own Ukrainian application has just been opposed. Either way, Ukraine gives a short, defined window to act. Here is how oppositions work, and the deadlines that decide everything.

In Ukraine, opposition comes before registration

A point worth stating up front for anyone used to other systems: in Ukraine the opposition happens before registration, during examination. Once an application is filed and accepted, its details are published in the official Bulletin — and from that publication a window opens for third parties to object. There is no separate post-registration opposition; a mark already on the register is challenged instead through invalidation in court.

The deadline: three months from publication

Any person may file a motivated opposition within three months of the date the application is published in the Bulletin. Miss that window and the route is closed — which is exactly why brand owners who care about Ukraine watch the Bulletin, or have someone watch it for them.

On what grounds

An opposition argues that the applied-for mark does not meet the conditions for protection. In practice that usually means one of two things:

• it conflicts with an earlier right — your registered mark, earlier application, well-known mark or trade name, for related goods (relative grounds); or
• the mark is not registrable in itself — descriptive, non-distinctive, deceptive, and so on (absolute grounds).

How the procedure runs

The opposition is filed with the Ukrainian office in writing, with the reasons set out, a copy attached, and the fee paid. The office sends a copy to the applicant, who may respond — the applicant has two months to state their position (a Madrid designation holder has three). The office then weighs the opposition, within the reasons given and taking the applicant’s reply into account, as part of the qualification examination. Both sides receive the decision.

If your application is the one opposed

Receiving an opposition is not a defeat. You can rebut it on the merits, narrow the list of goods to remove the overlap, negotiate a letter of consent or coexistence with the opponent, or — in the last resort — withdraw. Many oppositions are settled or overcome; the key is to use the response window rather than let it lapse. If the objection reads like an examiner’s, our guide on responding to a provisional refusal covers the same tools.

If the office registers the mark anyway

If the office decides in the applicant’s favour and moves to register, the opponent is not out of options. The decision can be appealed to the Appeal Chamber of the Ukrainian office, and examination is held while that appeal window runs. Beyond that, a registered mark can still be challenged through invalidation in court.