Yemen (population approx. 41 million, 2024) presents a complex IP landscape due to the ongoing political division between Sana’a and Aden. To ensure comprehensive protection, rights holders must currently navigate a dual-filing system, submitting separate applications to the registry in Sana’a (controlled by the de facto authorities) and the registry in Aden (controlled by the Internationally Recognized Government).
Despite severe economic challenges, Yemen remains a relevant market for consumer goods, pharmaceuticals, and basic commodities. The legal system allows for the protection of IP rights, but enforcement is fragmented. The administrative split requires careful portfolio management to prevent gaps in protection, particularly for trademarks used in both the northern and southern regions. Recent procedural updates in 2025 have introduced stricter requirements for pharmaceutical trademarks in Aden.
Yemen is a member of the World Intellectual Property Organization (WIPO) and the Paris Convention.
This section provides a high-level overview of jurisdiction-specific IP protection requirements and is not intended to be comprehensive. For advice on your specific matter, please contact our IP experts.
Maintenance Requirements: Maintenance of patents in Yemen involves paying annual annuities. Uniquely, the law was updated such that annuities are calculated from the filing date (or international filing date), whereas the previous practice was from grant. Now, the first maintenance fee is due at grant and covers all years from filing up to grant; subsequent annuities are due each year on the anniversary of the filing. The Patent Office’s new regulations (2014) clarified this and also set a grace period of 6 months for late payment of annuities with a penalty. If an annuity is not paid even by the end of the grace period, the patent is lapsable. Yemen does not formally require local working of the patent in the law; however, as a TRIPS member, it must allow for compulsory licenses. Indeed, after 3 years from grant (or 4 years from filing, whichever is later), if the patent is not worked (or not worked sufficiently to meet local demand), a third party can apply for a compulsory license. So effectively, patent owners should plan to either practice the invention in Yemen or license it to avoid compulsory licensing. That said, due to Yemen’s small industrial base, compulsory licensing is rare in practice. Patent rights can also be forfeited if the patentee abuses rights (e.g., anti-competitive practices) or if it’s discovered that the patent was granted for non-patentable matter. Overall, the key is paying annuities timely and considering local use.
Maintenance Requirements: There are no annual fees for designs once registered. The owner’s main task is to enforce the design against infringers. If someone copies or uses the registered design (or a design substantially not distinguishable from it) without consent, the owner can bring legal action for infringement. Yemen’s law likely provides criminal penalties for deliberate design infringement (fines or even imprisonment, as per general IP enforcement norms under TRIPS). The owner should also note that after the 10-year term, protection ends permanently (since no renewal). There is no need to prove use of the design or produce products; unlike trademarks, non-use of a design is not a ground for cancellation. The design can be assigned or licensed; any assignment of a design must be in writing and should be recorded at the IP Office to have effect against third parties. Recordal of changes (name, address) also should be done to keep the ownership data current. In summary, Yemen’s design system is relatively straightforward: a one-time registration that lasts a decade, with minimal upkeep except safeguarding one’s rights.
6th Floor, Ideal Clinic Building, Hadda Street,
Sana’a, Yemen
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