KENFOX IP & Law Office > Articles posted by Quyen Nguyen (Page 2)

4 Effective Appeal Strategies When a Trademark is Refused in Cambodia and Insights for International Investors

KENFOX IP & Law Office successfully assisted its client, Tianjin Pharmaceutical Da Ren Tang Group Corporation Ltd., in overturning the provisional refusal of the International Registration for the trademark “達仁堂” (Da Ren Tang) in Cambodia. The Cambodian Department of Intellectual Property (DIP)'s initial decision to refuse the trademark was reversed on March 24, 2025, paving the way for the protection of this prestigious brand....

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Letter of Consent in Vietnamese Trademark Registration: How KENFOX Helped a Client Overcome a Trademark Refusal

Vietnam's Intellectual Property Law (IP Law), along with its guiding legal documents such as Decree 65/2023/ND-CP and Circular 23/2023/TT-BKHCN, does not contain any provisions stating that a "Letter of Consent" (LOC) can automatically eliminate the risk of confusion between trademarks or automatically lead to the approval of a trademark application when such a document is submitted. This lack of a clear legal mechanism for Letters of Consent has created a significant legal gap, making the examination process unpredictable and inconsistent, especially in cases where applicants have diligently negotiated and obtained consent from the owner of the cited trademark....

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Chinese-character Trademarks in Vietnam: Do You Need to Register Them in Vietnamese?

In the context of deep international economic integration, foreign businesses, especially those from countries using ideographic scripts such as China, Japan, and South Korea, often face an important question when entering the Vietnamese market: “Is registering a trademark in Chinese characters (or other non-Latin scripts) sufficient for comprehensive brand protection in Vietnam, or is it necessary to additionally register a trademark in the Vietnamese language (either as a transliteration or translation)?”...

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Protection of Famous Names Under Trademark Law: Lessons from the Usain Bolt Case and Vietnamese Practice

The successful opposition by Usain Saint Leo Bolt ("Usain Bolt") against the trademark application "" in China stands as a prime example of how the China National Intellectual Property Administration (“CNIPA”) recognizes and protects the rights attached to a famous personal name, even where no trademark registration exists in China. The CNIPA’s decision has set a noteworthy precedent for legitimate foreign brand owners: even without formal trademark registration, individuals with a high level of fame and a strong association between their name and identity may still be afforded legal protection. Significantly, the CNIPA did not limit its assessment to the...

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Registering Class 35 – A Choice or an Imperative Strategy in Vietnam, Laos, and Cambodia

In the markets of Laos, Cambodia, and Vietnam, registration under Class 35 is no longer merely an option—it has become an essential requirement for securing robust and comprehensive brand protection. The prevailing practice of prioritizing Class 35 in trademark examination within these jurisdictions is not just procedural in nature; it constitutes a strategic key that enables businesses to significantly enhance their trademark protection—often exceeding expectations....

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Delegation and Decentralization of IP Rights in Vietnam – What Right Holders Must Know Under Decree 133/2025/ND-CP?

Decree 133/2025/ND-CP (issued on June 12, 2025) marks a significant administrative reform in the field of science and technology, including intellectual property (IP). This Decree stipulates the delegation and decentralization of certain state management tasks concerning IP from the central level (Ministry of Science and Technology/IP Office of Vietnam) to the provincial-level People's Committees (PCs). The Decree takes effect from July 1, 2025, and will be piloted until March 1, 2027 (unless extended or replaced by new regulations)....

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Cannabis and Pharmaceutical Inventions in Vietnam: To Protect or To Reject?

In many developed nations, pharmaceutical products containing active ingredients extracted from cannabis are ushering in a new era of treatment for conditions ranging from epilepsy and chronic pain to supportive cancer therapy. Inventions in this field are continuously being granted patents in the United States, Europe, and Japan. In a global context witnessing a profound shift in the perception of medical cannabis, a critical legal question arises in Vietnam: Why is a trend considered a medical innovation in many parts of the world impeded by what is deemed "contrary to social ethics and public order" under Article 8.1 of the...

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Trademark Refusal in Cambodia: How Should a Refusal Be Handled?

Once a response to a Notice of Refusal from the Cambodian Department of Intellectual Property (DIP) has been filed, a crucial question emerges: What is the path forward? Will the DIP proceed directly to a final decision, or do opportunities remain to fortify the application and protect the brand’s eligibility for registration? Should the initial arguments be rejected, is the applicant still permitted to amend the application, supplement the record, or present new arguments to resolve the grounds for refusal? What are the subsequent procedural steps an applicant must navigate to avoid missing critical deadlines? Furthermore, if a final refusal is...

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Refusal of Chinese Language Trademarks in Vietnam: Legal Loophole or Outdated Regulation?

In the context of deep international economic integration and the unceasing development of cross-border trade activities, the protection of IP rights, especially trademarks, plays an indispensable legal foundational role. However, in Vietnam, regulations regarding the registration of trademarks using foreign scripts, particularly languages not belonging to the Latin alphabet such as Chinese, Korean, Japanese, etc., remain a point of contention and require reconsideration. It is time to look at this issue more openly, moving towards the acceptance and protection of Chinese language trademarks and similar languages in Vietnam....

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Weihai Conference 2025: KENFOX’s Analysis of IP Challenges and Opportunities for Chinese Enterprises in Southeast Asia

Download On April 18, 2025, the third Weihai City Intellectual Property (IP) Protection Sharing Conference was successfully convened at the High-Tech Zone, bringing together over 200 delegates from government agencies, research institutions, industry associations, and enterprises. Under the theme of “Intellectual Property Protection – Enterprises Going Global”, the conference particularly underscored the significance of international cooperation and cross-border legal capability. Among the event highlights was the in-depth presentation by Mr. Nguyen Vu Quan, representative of KENFOX IP & Law Office (Vietnam), which made a significant impact. Risks of Intellectual Property Disputes and a Comprehensive Strategy for the Southeast Asian Market As one of...

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