KENFOX IP & Law Office > Notable Articles

Over 12,000 TECNO Mobile Phones Illegally Assembled in Lang Son: Criminal Case Initiated

On 24 April 2025, the Lang Son Provincial Police (Economic Police Division), in coordination with the Lang Son Provincial Market Surveillance Department, conducted an unannounced inspection of an illegal mobile-phone assembly site located at a workshop in Khon Pat Hamlet, Dong Kinh Ward, Lang Son City, Lang Son Province. Background of the TECNO Brand TECNO is one of the mobile-phone brands under Transsion Holdings, a smartphone manufacturer headquartered in Shenzhen, China. According to Canalys (as cited by VnExpress), in 2024 Transsion shipped approximately 106.7 million smartphones (representing 9% market share), ranking fourth globally behind Apple, Samsung, and Xiaomi; and, in Africa, Transsion’s...

Continue reading

Patent Specification – How a Single Connector Word Can Decide the “Life or Death” of a Patent?

If you believe that the phrase “at least one of A, B, and C” in a patent specification always means “A or B or C”, it may be time to reconsider. In U.S. patent practice, the interpretation of this seemingly simple expression has sparked a debate lasting more than two decades – a debate that remains far from settled today. The controversy originates from the U.S. Court of Appeals for the Federal Circuit’s landmark 2004 decision in SuperGuide Corp. v. DirecTV Enters., Inc. In SuperGuide, the court interpreted the phrase to mean “at least one of A, and at least one...

Continue reading

HAICNEAL vs. HAINOZAL: Stopping a Copycat Shampoo Line, Forcing Destruction of Labels and Printing Equipment, and Blocking a Trademark Hijacking

KENFOX IP & Law Office acted for Kunming Dihon Pharmaceutical Co., Ltd. (China), owner of the HAICNEAL medicated shampoo brand (), and its exclusive Vietnamese distributor, Dong A Pharmaceutical Trading Co., Ltd., after a Vietnamese company (ASEM VINA JSC) began producing and commercializing a shampoo using packaging that closely imitated HAICNEAL’s trade dress while marketing it under “HAINOZAL” ...

Continue reading

Infringement ov er the trademark “SPY”: Tracking the Importer, Forcing Infringing Detergent off the Market, and Locking in Customs Protection

Importer Identified, VIPRI Infringement Finding Secured, Multi-Agency Pressure Applied, Infringing Goods Removed from Market, Customs Protection Activated. KENFOX IP & Law Office represented MASSCO JSC, a leading Vietnamese chemical and cosmetics manufacturer and the registered owner of the “SPY” trademark (No. 231175), after an unauthorized seller began advertising “SPY” washing liquid on ZALO (a popular Vietnamese messaging / social commerce platform). Our investigation suggested that the products were imported from Thailand, so we moved immediately to identify the source. ...

Continue reading

Tracing Industrial Design Infringement in Vietnam: From VIPRI Expert Assessment to the Destruction of Over 5,000 Infringing Products

KENFOX IP & Law Office acted for a multinational Dutch company holding registered industrial design rights in Vietnam over the distinctive bottle shape of its dishwashing liquid. The infringing products first appeared anonymously on e-commerce channels: sellers disclosed only a phone number, gave no verifiable address, and used vague manufacturer information on the bottle to avoid detection by rights holders and enforcement authorities. Through persistent investigative work – including controlled trap orders, direct engagement with the seller, tracking fulfillment behavior, and on-site surveillance – we identified the hidden production site, which was being quietly operated inside a larger factory complex...

Continue reading

Trade Name Rights Defeat Trademark Squatting: LChau Pharmaceutical Company Keeps Its Brand and the Squatter Loses Registration in Court

KENFOX IP & Law Office has secured a major victory for LChau Pharmaceutical Company in a complex trademark-trade name lawsuit over the name “LChau”. This challenging case in Vietnam, which began in 2020 and spanned nearly 04 years, is not just a win for us; it’s a significant victory for our client, a leading pharmaceutical giant in Vietnam with a network of nearly 2000 drug stores across the country. Back in 2016, our client acquired a series of 04 pharmacies in Ho Chi Minh City, aiming to establish a comprehensive pharmacy ecosystem to meet the growing healthcare needs in Vietnam. ...

Continue reading

Justice for “Foellie”: How KENFOX Invalidated a Bad-Faith Filing & Halted a Retaliatory Campaign of IP Abuse?

Case brief: KENFOX IP & Law Office recently resolved a four-year dispute surrounding the “Foellie” brand, acting for Laorganic Co., Ltd. (Korea), the legitimate owner of the Foellie mark and logo. Lưu Ngọc Anh, a Vietnamese individual – Director of La Pharma Pharmaceutical Co., Ltd. applied to register the mark “FOELLIE” for the goods in Class 03 in 2020. Notably, our client, Laorganic had used their mark “” in Vietnam since 2018. In July 2022, our client filed an opposition against Lưu Ngọc Anh’s applied-for trademark “FOELLIE” with the Trademark Examination Centre (TEC) of the IP Office of Vietnam (IPVN)....

Continue reading

KENFOX Presents On Strategic Protection Of Foreign Brands Against Sophisticated Infringement At The MOIP–KOIPA Seminar

As intellectual property rights increasingly serve as a decisive “competitive weapon” in Vietnam, IP disputes and infringement tactics have evolved accordingly – becoming more sophisticated, unpredictable, and, in some instances, stretching beyond traditional legal boundaries. This is no longer merely a legal contest; it is a battle to protect trust, preserve brand identity, and protect the commercial interests of foreign investors operating in Vietnam. At a specialized seminar co-hosted by Agency for Domestic Market Surveillance and Development in collaboration with the Ministry of Intellectual Property of Korea (MOIP) and the Korea Intellectual Property Protection Agency (KOIPA), attended by more than 50...

Continue reading

RULE ONE: Forcing VIPRI to Reverse Itself, Establishing Trademark Infringement, and Shutting Down Unauthorized Online Sales

KENFOX IP & Law Office represented RULE ONE PROTEINS LLC (“RULE ONE”), a-US based company, the registered owner in Vietnam of the “RULE 1 PROTEINS” () trademark (Registration No. 408163), in an action against Muscle Up Joint Stock Company, a Vietnamese seller that was advertising, offering for sale, and promoting nutritional supplements in Vietnam using “RULE 1 PROTEINS”, “RULE 1 R1 PROTEIN”, and “RULE ONE” across websites and Facebook pages without authorization. We first secured Bailiff’s Certification to capture irrefutable evidence of infringement across Muscle Up’s online channels. ...

Continue reading

From Online Camouflage to Physical Crackdown: KENFOX’s Legal Strategy in the LACTOMASON Case

In July-August 2025, KENFOX IP & Law Office executed a coordinated anti-counterfeiting operation in Hanoi on behalf of a leading South Korean pharmaceutical company, holder of the registered “LACTOMASON” trademark in Vietnam. The infringer was not a “street-level counterfeiter”, but a sophisticated entity constructed to project lawful legitimacy. Operating under the guise of “Lacto Mason Vietnam Co., Ltd.”, the infringer built a complete façade of brand authenticity by copying nearly the entire identity ecosystem of our client – including product packaging, labeling, corporate name, website, social-media presence, and promotional collateral – and then deploying a digital-only distribution model (exclusively through e-commerce...

Continue reading