Key takeaways
- A formal objection, substantive objection, third-party opposition and final refusal are different procedural events.
- The amended law provides 30 days to cure notified formal defects and 60 days to answer a substantive objection, subject to the actual notice and current rules.
- An opposition is filed by a third party after publication, not issued by the examiner.
- A refusal should be reviewed immediately because the correct remedy and deadline depend on the resolution and applicable procedure.
An ONAPI communication should first be classified correctly. A formal objection, a substantive objection, a third-party opposition and a final refusal arise at different stages and call for different responses.
The notice, cited legal grounds and date of notification should be reviewed immediately.
Four events that should not be confused
A formal objection comes from ONAPI during formal examination and can lead to abandonment if an omission is not cured. A substantive objection also comes from ONAPI, but concerns registrability and can lead to a reasoned refusal if the grounds remain.
An opposition is an adversarial challenge filed by a third party after publication. A refusal is ONAPI's written resolution after an unresolved substantive issue or contested decision.
Formal-examination objections
ONAPI checks whether an application contains the required information and complies with applicable formal rules. Law 20-00, as amended, gives the applicant 30 days to correct a notified formal error or omission; otherwise, the application may be treated as abandoned and archived.
This is a statutory rule, not a service-time promise. The communication must be checked for its notification date, required documents and any current procedural rule. A justified extension may be available under the law, but it is discretionary and should never be assumed.
Substantive-examination objections
ONAPI examines intrinsic prohibitions under Article 73, earlier registered or pending marks under Article 74(a), and may consider well-known-sign issues under Article 74(d) based on available information.
Where ONAPI identifies a substantive prohibition, the amended law provides 60 days to withdraw, modify or limit the application, or answer the objection. If no response is made, or ONAPI concludes that the grounds remain, it may refuse registration by a reasoned written resolution.
Common issues and response choices
A response should address every cited ground and earlier record. Depending on the case, the applicant may argue the law and facts, provide relevant evidence, clarify or limit goods or services, make a permitted amendment, divide a multiclass application or withdraw. An amendment is not automatically acceptable and should not broaden the original filing.
- A sign that is exclusively generic, descriptive or insufficiently distinctive.
- A sign that could mislead the public.
- Prohibited official symbols or other intrinsically inadmissible matter.
- Similarity to an earlier mark for identical, similar or commercially related goods or services.
- An imprecise or overbroad goods or services description.
Opposition is a separate third-party process
Once examination is completed, ONAPI orders publication of the application. A third party may oppose within 45 days from publication. ONAPI's guidelines describe opposition as a challenge asserting that the published application does not satisfy the registrability requirements in Articles 73 or 74.
An opposition requires analysis of the opponent's asserted rights, evidence, goods or services and legal grounds. ONAPI resolves the application and any oppositions in a single act under the applicable contested procedure.
After a refusal or adverse resolution
A substantive refusal must be reasoned in writing. ONAPI currently lists reconsideration as an available service, and Law 20-00 also contains administrative-review provisions.
The correct route and deadline depend on the type of resolution, its notification and the procedural rules then in force. Preserve the full notice, electronic or physical notification evidence, filing receipt and supporting record, and seek advice promptly. Filing a review request does not guarantee reversal.
Scope boundary
This guide focuses on objections raised by ONAPI and options after a refusal. A third-party opposition is a separate contested process; see the dedicated trademark-opposition guide and calculate every deadline from the official publication or notice.
Frequently asked questions
Is an ONAPI objection a final rejection?
Not necessarily. Formal and substantive objections provide an opportunity to respond, but a successful result is not guaranteed.
How is an opposition different?
An opposition is filed by a third party after publication. An objection is issued by ONAPI during examination.
Can I change the mark after an objection?
The law permits withdrawal, modification or limitation as appropriate, but not every change is admissible. A material change may require a new filing.
What happens if the response deadline is missed?
An uncured formal defect may result in abandonment; an unanswered or unresolved substantive objection may result in refusal. Review the notice immediately to determine whether any remedy remains.
Official sources
Checked September 4, 2026. Confirm the live procedure before acting.
Disclaimer: General information, not legal, tax, immigration, customs, regulatory or investment advice. Requirements and outcomes depend on the facts, responsible authorities and current law.