Table Of Contents

1. Understanding Patent Termination

A Vietnamese patent grants the owner exclusive rights to an invention for 20 years from the filing date. However, this exclusivity can end prematurely under certain circumstances. Here's a breakdown of the key points regarding patent termination in Vietnam:

Types of Patent Termination

There are three main ways a Vietnamese patent can be terminated:

  1. Non-payment of maintenance fees: Similar to car registration, patents require annual maintenance fees to remain valid. Failure to pay these fees within the designated timeframe results in automatic termination of the patent. The National Office of Intellectual Property (NOIP) will notify the patent owner about upcoming fee deadlines, but the ultimate responsibility lies with the owner to ensure timely payment.
  2. Voluntary surrender: The patent owner has the right to relinquish their exclusive rights by submitting a formal declaration to the NOIP. This process can be strategic, for instance, if the invention becomes obsolete or the owner decides not to pursue commercialization.
  3. Dissolution of the patent owner: If the patent owner ceases to exist or operate without a legal successor, the patent automatically terminates. This can occur due to company closure, bankruptcy, or mergers without proper transfer of ownership rights.

Consequences of Patent Termination

Once a patent terminates, the following consequences come into effect:

  • Loss of exclusivity: The former patent owner loses the exclusive right to commercially exploit the invention. This means anyone can produce, use, sell, or import the invention without infringing on any intellectual property rights.
  • Inability to license: The patent owner can no longer grant licenses to third parties to use the invention in exchange for royalties. This can be a significant loss of potential revenue, especially if the invention has commercial value.
  • No infringement claims: If someone was previously accused of infringing on the patent, those claims become invalid after termination.

Avoiding Patent Termination

To ensure your Vietnamese patent remains valid throughout its 20-year term, it's crucial to:

  • Set calendar reminders: Mark deadlines for annual maintenance fee payments to avoid unintentional lapses.
  • Maintain proper records: Keep all payment receipts and patent-related documents organized for future reference.
  • Succession plan: If your company undergoes restructuring or ownership changes, ensure proper legal procedures are followed to transfer patent ownership rights.

By understanding the different types of patent termination and taking proactive steps to avoid them, you can safeguard your intellectual property rights and maximize the benefits associated with your Vietnamese patent.

 

2. Challenging Patent Validity

A patent grants the owner exclusive rights to an invention for 20 years. However, these rights aren't absolute. In certain situations, you may have grounds to challenge the validity of a patent, potentially paving the way for you to freely develop and commercialize a similar technology. This article explores the concept of patent invalidation in Vietnam and provides insights on increasing your chances of success.

Why Challenge Patent Validity?

There are two main scenarios where challenging patent validity becomes relevant:

  • Competitors: Companies competing with the patent owner may seek to invalidate the patent to freely develop and commercialize similar products without infringing on any intellectual property rights. This can be a strategic move to gain a competitive edge in the market.
  • Accused Infringers: If you're accused of infringing on a patent, challenging its validity can be a strong defense strategy. If the patent is invalidated, the infringement claims against you become null and void.

Grounds for Patent Invalidation in Vietnam

The 2022 amended Intellectual Property (IP) Law in Vietnam establishes several grounds for patent invalidation:

  • Security Violations: The invention application must comply with regulations regarding inventions with potential security implications. For instance, patents related to weapons or sensitive technologies might face invalidation if they bypass security clearance procedures.
  • Genetic Resources and Traditional Knowledge: If the invention utilizes genetic resources or traditional knowledge, the application must accurately disclose its origin. Failure to do so can lead to invalidation.
  • Lack of Entitlement: The applicant must have the legal right to register the invention. If someone else possesses prior ownership or co-ownership rights, the patent can be invalidated.
  • Non-Patentable Subject Matter: The invention cannot be contrary to social ethics, public order, or national security. Additionally, it must meet the criteria of novelty (being entirely new), inventive step (not obvious to a person skilled in the art), and industrial applicability (being capable of being produced).
  • Excessive Amendments: Modifications made during the application process cannot go beyond the originally disclosed invention. If the amendments significantly alter the invention's nature, it can be grounds for invalidation.
  • Incomplete Disclosure: The invention description in the patent application must be clear and detailed enough for a skilled person to understand and implement it. Ambiguous or incomplete descriptions can lead to invalidation.
  • Scope of Disclosure: The granted patent's protection scope cannot be broader than the invention initially disclosed in the application. Expanding the scope during the process can be challenging.
  • First-to-File Principle Violation: The patent must be granted to the party who first filed the application. If someone else has demonstrably filed an application for the same invention earlier, the later patent can be invalidated.

Increasing Your Chances of Success

Successfully challenging a patent's validity in Vietnam requires a strategic approach:

  1. Identify the Legal Basis: Carefully analyze the patent and pinpoint the specific grounds it potentially violates. Consulting with a patent attorney can be invaluable at this stage.
  2. Gather Evidence: Collect documents and information that support your claims. This may include prior art references demonstrating a lack of novelty or inventive steps, expert opinions, or evidence of improper application procedures.
  3. Prepare a Strong Petition: Draft a clear and concise document outlining the legal basis for invalidation and presenting the supporting evidence in a compelling manner.
  4. Seek Professional Help: Consider engaging an experienced intellectual property lawyer to navigate the legalities of the process, represent you in interactions with the NOIP, and maximize your chances of a successful outcome.

The Invalidation Process

Challenging a patent's validity in Vietnam involves the following steps:

  • Filing the Request: Submit a formal request for patent invalidation with the National Office of Intellectual Property (NOIP).
  • Response from Patent Owner: The NOIP will notify the patent owner, who has a designated timeframe to respond to the invalidation request.
  • Hearing: The NOIP may hold a hearing to provide both parties with an opportunity to present their arguments.
  • Decision and Appeal: The NOIP will issue a decision on the validity of the patent. Dissatisfied parties can appeal the decision within 90 days or file a lawsuit within one year.
  • Publication: The NOIP will publish the final decision in the Industrial Property Official Gazette.

 

3. Grounds for Patent Invalidation

In Vietnam, a patent grants the owner exclusive rights to an invention for 20 years. However, these rights aren't ironclad. Under certain circumstances, you can challenge the validity of a patent, potentially paving the way for you to develop and commercialize a similar technology without infringing on intellectual property rights. This section dives deep into the various grounds for patent invalidation in Vietnam.

Understanding Patentability Requirements

Before delving into specific grounds, it's crucial to understand the core requirements an invention must meet to be patentable in Vietnam:

  • Novelty: The invention must be entirely new and not have been publicly disclosed anywhere in the world before the patent application date.
  • Inventive Step: The invention must not be obvious to a person skilled in the relevant field. It should involve a non-obvious inventive concept that goes beyond existing knowledge.
  • Industrial Applicability: The invention must be capable of being produced or used in some industry. It should have a practical application and not be purely theoretical.

Statutory Grounds for Patent Invalidation

The 2022 amended Intellectual Property (IP) Law in Vietnam outlines several grounds for patent invalidation:

  1. Security Concerns: Inventions with potential national security implications require adherence to specific regulations during application. Failure to comply, such as bypassing security clearance procedures, can lead to invalidation.
  2. Genetic Resources & Traditional Knowledge: If the invention utilizes genetic resources or incorporates traditional knowledge of indigenous communities, the application must accurately disclose their origin. The omission of this information can be grounds for invalidation.
  3. Lack of Entitlement: The applicant must have the legal right to register the invention. If someone else possesses prior ownership or co-ownership rights, the patent can be challenged and potentially invalidated.
  4. Non-Patentable Subject Matter: The invention cannot be contrary to public order, social ethics, or national security. Additionally, it cannot be a discovery, scientific theory, mathematical method, or scheme, business method, or purely aesthetic creation.

Procedural Grounds for Patent Invalidation

Beyond the invention itself, several procedural issues can also be grounds for invalidation:

  • Excessive Amendments: Modifications made during the application process cannot significantly alter the nature of the invention compared to what was originally disclosed. Expanding the scope of the invention beyond the initial application can be challenging.
  • Incomplete Disclosure: The patent application description must be clear and detailed enough for a skilled person to understand and implement the invention. Ambiguous or incomplete descriptions that hinder comprehension can lead to invalidation.
  • Scope of Disclosure: The granted patent's protection scope cannot be broader than the invention initially disclosed in the application. If the scope is broadened during the process, it can be challenged for exceeding the originally claimed invention.
  • First-to-File Principle Violation: Vietnam adheres to a first-to-file system. The patent is typically granted to the party who first files a complete application. If someone else demonstrably filed an application for the same invention earlier, the later patent can be invalidated.

 

4. The Invalidation Process

Challenging a patent's validity in Vietnam involves a series of steps overseen by the National Office of Intellectual Property (NOIP). This section provides a roadmap for navigating this process and understanding the key stages involved.

Initiating the Challenge: Filing the Invalidation Request

The first step is to formally initiate the challenge by submitting a written request for patent invalidation to the NOIP. This request should be drafted by or with the guidance of a patent attorney to ensure it adheres to all legal requirements and includes the following:

  • Identification of the Challenged Patent: Clearly specify the patent you are seeking to invalidate by providing its patent number and title.
  • Grounds for Invalidation: Outline the specific legal basis for your challenge, referencing the relevant provisions of the IP Law (e.g., lack of novelty, incomplete disclosure, first-to-file principle violation).
  • Supporting Evidence: Attach any evidence that bolsters your claims, such as prior art references, expert opinions, or documentation highlighting procedural irregularities.
  • Request for Hearing (Optional): You may request a hearing before the NOIP to present your arguments and evidence in person.

Response from the Patent Owner

Upon receiving your request, the NOIP will notify the patent owner of the invalidation challenge. The owner has a designated timeframe (typically two months with a possible extension) to respond to the allegations. Their response may include:

  • Rebutting Your Claims: The patent owner may argue against your grounds for invalidation, presenting counter-arguments and potentially additional evidence to support the patent's validity.
  • Negotiation Attempts: In some cases, the patent owner might attempt to negotiate a settlement with you, potentially offering licensing rights or reaching a mutually beneficial agreement to avoid a lengthy invalidation process.

Potential Hearing

If you requested a hearing, or if the NOIP deems it necessary to clarify certain aspects of the case, they will schedule a hearing where both parties can present their arguments and evidence. During the hearing, you and the patent owner will have the opportunity to:

  • Present Your Case: You or your attorney will present your arguments and detailed evidence supporting the invalidation claim.
  • Respond to Counter-Arguments: Be prepared to address any counter-arguments or evidence presented by the patent owner.

NOIP Decision and Appeals

Following the response from the patent owner and any potential hearings, the NOIP will issue a final decision on the validity of the patent. This decision can be:

  • Patent Upheld: If the NOIP finds your claims unsubstantiated, the patent will remain valid.
  • Patent Invalidated: If the NOIP agrees with your arguments and evidence, the patent will be declared invalid, effectively revoking the owner's exclusive rights.

Both parties have the right to appeal the NOIP's decision. Dissatisfied parties can file an appeal with the Intellectual Property Department of Vietnam within 90 days of the decision. Alternatively, they can file a lawsuit in court within one year of the decision.

Publication of the Outcome

The NOIP will publish the final decision regarding the patent's validity in the Industrial Property Official Gazette. This publication serves as a public record of the outcome and informs the market of the patent's legal status.

Timelines and Considerations

The invalidation process can take anywhere from several months to a year or more to complete, depending on the complexity of the case and the potential need for hearings and appeals. It's crucial to factor in legal fees associated with attorney representation and potential expert witness involvement throughout the process.

 

5. Conclusion

While Vietnamese patents offer a valuable tool for protecting inventions, there are situations where challenging their validity becomes necessary. This article has explored the various grounds for patent invalidation in Vietnam, from violations of patentability requirements to procedural shortcomings during the application process. By carefully analyzing the patent, meticulously gathering evidence, and potentially leveraging the expertise of a patent attorney, you can significantly increase your chances of successfully challenging a patent's validity. Remember, a successful challenge can pave the way for you to freely develop and commercialize a similar technology and avoid potential infringement claims.

The invalidation process, though complex, offers a mechanism to safeguard your business interests and ensure a fair and competitive market landscape in Vietnam. By understanding the legal framework and the steps involved, you can make informed decisions about pursuing a patent challenge and navigate the process strategically. If you need further explanation on this subject, please don't hesitate to contact us through email at lienhe@luatminhkhue.vn or phone at: +84986 386 648—lawyer To Thi Phuong Dzung.