How to protect our patent in Vietnam?
Question: We would like to know the procedure for protecting the patent in Vietnam, please advise?
Answer: Regarding your enquiries concerning the subject matter, we would like to advise you procedure in relation to the patent registration proceeding in Vietnam as follows:
1.PATENT/UTILITY SOLUTION REGISTRATION
Protection criteria:
A patent shall be eligible for...
Subject matters are not protected as invention
Scientific discoveries or theories, mathematical methods[....]
Conducting a patent clearance search in Vietnam
As the leading patent agent in Vietnam, SBLaw we can assist client with conducting a patent clearance search in Vietnam[...]
Guidance for filling patent in Vietnam
If client would like to file an patent in Vietnam, SBLaw would like to provide our guidance as follows:
Annuity payment of Patent
Question: I would like to inquire you about the detailed charge of annuity of Patent (from the 1st year to the 20th year). Looking forward to your reply.
Answer:
Regarding your enquiries concerning the subject matter, we would like to advise you procedure and our fee schedule in relation to the...
Division of Vietnam patent applications
The applicant may divide,on his/her own initiative or upon the request of the NOIP,his/her application (division and transfer of one or several technical solutions in an invention registration application,[...]
Conditions for inventions eligible for protection
An invention shall be protected by mode of grant of invention patent when it satisfies the following conditions[...]
China National Intellectual Property Administration Amended GUIDELINES FOR PATENT EXAMINATION (2025)
Recently, China National Intellectual Property Administration (CNIPA) has issued a decision on amending the GUIDELINES FOR PATENT EXAMINATION (Order No. 84 of the CNIPA). The newly amended GUIDELINES FOR PATENT EXAMINATION will take effect on January 1, 2026. The amendments focus on improving patent examination standards and optimizing examination rules for new fields...
Q&A: Regarding a Patent Search for car engine in CAMBODIA
Q: Our company is Korean Car Company and is considering to file a patent application regarding car engine in CAMBODIA.
Before filing, we wish to conduct a patent search to see if there is any similar invention / utility model patents or pending applications in this area.
Therefore, please let us know...
Formality examination of Vietnam patent
A patent application filed with the NOIP shall be subject to formal examination for evaluating its validity.
Provisional rights to inventions
Where an applicant for registration of an invention knows that such invention is being used by another person without prior use right for commercial purposes[...]
The Decision of Refusal of patent application
If the applicant to whom the NOIP has sent a notice on its intended refusal of the application fails to correct errors or unsatisfactorily corrects errors or makes no opposition or makes unreasonable opposition to the intended rejection within the set time limit[...]
Refuse to accept the valid patent application
The refuse to accept the valid patent application is regulated as follows[...]
Patent attorney in Vietnam, Mr. Pham Duy Khuong, partner of SBLAW.
Mr. Pham Duy Khuong (Mr. Pham) is a founding partner of SBLAW. He has particular experience in the field of Intellectual Property for nearly ten years.
Right of prior use of inventions
Where a person has, before the publication date of an invention registration application, used or prepared necessary conditions for use of an invention identical with the protected invention stated in such registration application but created independently [...]


















