Navigating the patent system in Vietnam can be complex, especially for foreign applicants. Our Patent FAQ addresses key concerns such as application timelines, available patent types, PCT national phase entry, official fees, and maintenance requirements. You’ll also find guidance on the role of local representatives, options for accelerated examination, and grace periods for late payments. Whether you are protecting an invention or utility solution, this resource helps you understand the process and secure your patent rights in Vietnam.
Q: How long does it take to obtain a patent in Vietnam?
A: It usually takes 3–5 years from filing to grant, depending on the complexity and examination workload.
Q: What types of patents are available in Vietnam?
A: Vietnam recognizes Invention Patents (20 years validity) and Utility Solutions (10 years validity).
Q: Do foreign applicants need a local representative?
A: Yes. Foreign entities must file through a licensed Vietnamese patent attorney/agent.
Q: Is Vietnam a member of the PCT (Patent Cooperation Treaty)?
A: Yes. Vietnam is a PCT member. Applicants can enter the national phase in Vietnam within 31 months from the priority date.
Q: What are the official fees for patent filing?
A: Fees depend on the number of claims and pages. Service charges vary by IP law firm.
Q: Can I request accelerated examination?
A: Vietnam does not have a formal fast-track, but priority examination may apply under certain international treaties.
Q: What happens if I don’t pay maintenance fees?
A: If annual fees are not paid on time, the patent will lapse.
Q: Is there a grace period for late payments?
A: Yes. A late payment surcharge applies if fees are paid within 6 months after the due date.
