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If a competitor's registered design is blocking your product, or your own registration is under attack, Mexico's administrative nullity procedure before IMPI is the recognised route to test whether a design should ever have been granted. Our team at Brealant represents clients on both sides of these proceedings.
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What a Design Invalidity Action Is
A declaración administrativa de nulidad, under the Ley Federal de Protección a la Propiedad Industrial, is a proceeding before IMPI to invalidate a registered design that shouldn't have been granted, typically for lack of novelty.
Purpose and Function of the Action
Because IMPI examines designs substantively at grant, a nullity action generally needs to show the examiner overlooked relevant prior art or that the design fails to meet the legal requirements.
Protecting Your Position
Separately, a design lapses (caducidad) if renewal fees go unpaid — a different, non-contentious route by which a registration can cease to be in force.
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Contact
Reach out to Brealant about the registered design you want to challenge, or the challenge to your own design.
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Search
We review the registered design and identify potential prior art or grounds for nullity.
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Quote
Receive a service quote for the nullity action or defence.
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Pay
Proceed with secure payment for the selected services.
File
We file the nullity petition with supporting evidence, or the registered owner's defence.
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Wait
IMPI reviews the evidence from both sides through the administrative proceeding.
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Response
You receive IMPI's decision on whether to uphold or invalidate the registration.
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In Mexico, a party challenges a registered design by filing a nullity petition before IMPI, supported by prior art or other grounds. IMPI then reviews the evidence, gives the owner a chance to respond, and decides whether to uphold or invalidate the registration — understanding this sequence is the clearest way to plan a challenge.
If a competitor's registered design is blocking your product, or you believe it was granted in error, a nullity action is the recognised route to test, and potentially remove, that registration in Mexico. Brealant assesses the merits before recommending action.
A challenge is a useful tool, but it has real limits
No Pre-Grant Opposition
Mexico doesn't run a pre-grant opposition process for designs; third parties may only submit observations during the two-month publication window before registration.
Burden of Proof
The party filing the nullity petition must establish credible grounds, typically prior art the examiner didn't consider.
Owner Can Respond
The design owner is given an opportunity to respond before any nullity decision is made.
Partial Outcomes
IMPI can invalidate a registration in part rather than in full, depending on the grounds upheld.
Separate From Lapse
Nullity is a contested challenge to validity; a design lapsing for unpaid renewal fees (caducidad) is an entirely separate, administrative process.
Brealant gives you a realistic view of the likely timeline and prospects before you proceed.
A successful nullity action protects
Your Freedom to Operate
Removing a blocking registration that wasn't genuinely new when granted.
Market Fairness
Ensuring only designs that genuinely meet the legal requirements remain enforceable.
Register Accuracy
Keeping IMPI's Designs register reflective of designs that are genuinely novel.
Your Commercial Plans
Protecting product launches that could otherwise be blocked by an invalid registration.
Brealant assesses the strength of the prior art before recommending whether to proceed.
The process typically follows these stages
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Petition Filed
A party files a nullity petition against the registered design, setting out its grounds and evidence.
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Owner's Response
The design owner has the opportunity to respond and submit evidence in defence.
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Evidence Review
IMPI reviews the evidence and arguments submitted by both sides.
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Decision
IMPI decides whether to uphold or invalidate the registration, in whole or in part.
Administrative nullity proceedings before IMPI commonly take a year or more from filing to a final decision, depending on the complexity of the evidence involved.
Costs cover the petition and any resulting evidence stages
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IMPI charges an official fee, in Mexican pesos, to file a nullity petition.
Brealant's professional fee covers preparing the petition and supporting prior art, or the defence, quoted based on the complexity of the case.
Brealant gives you a realistic view of the likely timeline and prospects before you proceed.
Whether the challenge succeeds or you're defending your own design, Brealant continues to support your broader design strategy, including clearing the way for your own filing if a blocking registration is removed.
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Not through a formal opposition — third parties may only submit technical observations during the two-month publication window before IMPI decides on registration.
Any interested party can file a nullity petition, including competitors and other affected parties.
IMPI can invalidate the registration, in whole or in part, if it finds the design wasn't genuinely new when granted.
Yes, the owner is given an opportunity to respond and submit evidence before any nullity decision is made.
Commonly a year or more from filing to IMPI's final decision, depending on the complexity of the evidence submitted by both sides.
Brealant quotes a fixed professional fee once we assess your grounds, in addition to any applicable IMPI fee.
Generally yes — nullity actions must usually be filed within 5 years of the registration becoming effective, except claims based on bad faith, which can be filed at any time.
Yes, either party can challenge an unfavorable decision through an administrative appeal or a further judicial nullity trial before Mexico's specialized courts.
Nullity generally addresses the registration's novelty as a whole, though partial outcomes are possible where a design covers multiple product variants.
Observations during the two-month publication window let a third party flag issues before grant; a nullity petition challenges a design after it has already registered.
Discover more insights and stay informed about the latest in intellectual property with Brealant's blog. From expert advice on trademark registration and patent protection to strategies for safeguarding your brand in a competitive market, our resources are here to empower your business. .
Explore our blog to learn how effective IP management can strengthen your brand's position and protect your innovations
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