Iran’s Industrial Property Act (2024) introduces a form of protection that is new to Iran but long established elsewhere: the utility model. For foreign IP counsel and in-house teams managing Iranian portfolios, utility models in Iran open a faster, lower-cost route to protecting incremental innovation. This guide explains what a utility model is, how it differs from a patent, how it is examined, how long it lasts, and whether you can apply for one yet.
In short: a utility model protects a product improvement that works better but is not inventive enough for a patent. Iran’s 2024 Act introduces it for the first time, though it is not yet available to file.
- What it protects — a new, industrially useful improvement to the shape or structure of a product; products only, never processes.
- Threshold — the improvement must be new and work better, but it need not be inventive (non-obvious).
- Examination and term — formal examination only, within about two months; protection lasts six years, against twenty for a patent.
- Availability — not yet; the implementing regulations must come into force first.
Why Iran now recognizes utility models
Every IP practitioner knows the scenario. A client arrives with a genuine technical improvement — something new, industrially useful, and commercially promising. They file for a patent, believing it qualifies. After a long wait, the office rejects the claims, in whole or in part, for lack of inventive step. The solution, though new, would have been obvious to a person of ordinary skill in the field, and it produces no surprising result that advances the art. The improvement is real, but it is not an invention in the patent sense. This is precisely the gap the utility model is meant to fill.
What is a utility model in Iran?
A utility model rests, like a patent, on a new and practical solution to a technical problem. The difference is threefold:
- it must concern the shape or structure of a product — utility models cover products, never processes;
- it need only improve the product’s function; and
- it need not be non-obvious.
In other words, it is enough that a change or addition to the shape or structure of an existing product yields a new, practical solution that works better. For this reason, utility models are sometimes called “small, fast inventions.”
An example makes the line clear. Consider a camping tent, which must fold down to be carried. Suppose your innovation is a folding mechanism that opens and closes the tent at the press of a button or the pull of a lever. That mechanism did not exist in the industry, and because it is non-obvious, it advances the prior art. That is an invention. Now suppose instead that you reshape the poles and alter the angle of the joints, so they bend more easily and the tent folds more readily. You have not invented anything. Instead, you have created a utility model that improves how the tent folds.
How a utility model differs from a patent in Iran
Two features mark the boundary. First, like an industrial design, a utility model protects only products, not processes. Second, like a patent, it protects a new technical solution rather than mere appearance. The decisive difference is the threshold: a patent must involve an inventive step, while a utility model need only improve a product’s function. The table below sets the two side by side.
| Patent | Utility model | |
|---|---|---|
| Subject matter | Products and processes | Products only |
| What it protects | A new technical solution | A new technical solution |
| Threshold | New, industrially applicable, and inventive (non-obvious) | New, industrially applicable, and improves function |
| Examination | Formal and substantive | Formal only (about two months) |
| Term | Twenty years | Six years |
| Grace period for prior disclosure | Six months | None |
How are utility models examined, and how long does protection last?
Speed and simplicity are the point. A patent application undergoes both formal and substantive examination. By contrast, the office examines a utility model application as to form only, within two months, and accepts it if no conflicting prior registration exists.
The trade-off is duration: a patent may be protected for twenty years, a utility model for six. A second trade-off is worth weighing. Because a utility model is granted without substantive examination, its validity stands on weaker ground than an examined patent’s. That is worth considering before you rely on one in enforcement. This is a general feature of unexamined rights, not a peculiarity of Iranian law, but it is the price of the faster, cheaper route.
Can you file a patent and a utility model together?
Because the line between an invention and a utility model can be fine — and hard for an applicant to judge — the Act allows a patent application and a utility model application to be filed in parallel for the same subject matter. It also permits conversion in either direction:
- If you have filed for a patent, you may request conversion to a utility model before examination concludes, or after the office decides to reject it.
- If you have filed for a utility model and believe the subject matter qualifies as an invention, you may request conversion to a patent before the office rules on it.
One caution deserves emphasis. The six-month grace period available to a patent applicant — under which disclosure in the six months before filing does not defeat novelty — does not extend to utility models. For a utility model application, or a patent application converted into one, disclosure before filing can destroy novelty. So applicants and their counsel should treat pre-filing confidentiality as critical.
Is utility model protection available in Iran now?
Not yet. This guide was written in the interval between the passage of the Industrial Property Act and the adoption of its implementing regulations. The Act takes a significant step: for the first time, Iranian law extends protection to this level of innovation. However, until the implementing regulations are in force, you cannot yet apply for utility model protection. Foreign counsel weighing an Iranian filing strategy should therefore confirm the current regulatory position before relying on the regime.
Frequently asked questions
What is a utility model in Iran?
A utility model is a form of industrial property protection introduced by Iran’s Industrial Property Act (2024). It protects a new, industrially applicable improvement to the shape or structure of a product that enhances its function, without requiring the inventive step a patent demands.
How does a utility model differ from a patent in Iran?
A patent must be new, industrially applicable, and involve an inventive step (non-obvious to a skilled person). A utility model need only be new, industrially applicable, and improve a product’s function. Utility models also protect products only — never processes.
How long does utility model protection last in Iran?
Six years, compared with twenty years for a patent.
How quickly can a utility model be registered in Iran?
A utility model application is examined as to form only and, absent a conflicting prior registration, is processed within two months — far faster than a patent’s formal and substantive examination.
Is there a grace period for prior disclosure?
No. Unlike the six-month grace period available to patent applicants, disclosure before filing can destroy the novelty of a utility model. Confidentiality before filing is essential.
Can I register a utility model in Iran today?
Not yet. As at the time of writing, the Act’s implementing regulations had not been adopted, so applications could not be filed. Confirm the current position before planning a filing.
Shahnoosh Haeri
Shahnoosh represents rights holders in patent, trademark, and corporate disputes — from cancellation and infringement actions to enforcement before Iran's specialist courts, backed by hands-on patent and utility-model expertise.