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  1. Intellectual Property
  2. Singapore: Bad faith opposition fails — clarifying ownership of Mandarin brand translations

Singapore: Bad faith opposition fails — clarifying ownership of Mandarin brand translations

31 Oct 2025    3 minute read
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Trademark Opposition Bad Faith in IP Law Chinese Brand Registration IPOS Decision 2025 CHILDLIFE Essentials Trademark

In brief

On 22 October 2025, the Intellectual Property Office of Singapore (IPOS) dismissed an opposition brought by TNSG Biotech Co Ltd (“TNSG”) against pediatrician and founder of ChildLife Essentials Dr. Murray Colin Clarke (“Dr. Clarke”). Therefore, Dr. Clarke’s application to register the Mandarin Chinese mark “@alt@52l55l48n55l51j50l51j@alt@” in classes 5, 30 and 35 could proceed to registration. The IP adjudicator found no bad faith, despite the opponent’s arguments that it coined and invested heavily in the wording. Evidence showed that the mark had long been used as the Chinese version of “CHILDLIFE,” the applicant’s established brand. The full written grounds of the decision can be found here.


Contents

In depth

A distribution relationship

The applicant, Dr. Clarke, develops and sells children’s nutritional supplements globally under the CHILDLIFE brand. His products have been sold in Singapore since at least 2003. The opponent, TNSG, had served as a distributor of CHILDLIFE products in China from about 2010 to 2021. During this time, it promoted CHILDLIFE products in Chinese-speaking markets, using the Chinese words 童年时光 (“childhood time”) alongside “CHILDLIFE,” and asserted that it had developed an independent brand around the term.

After the distribution agreements ended, Dr. Clarke applied to register the mark in Singapore. The opponent claimed that this was bad faith.

Bad faith under Singapore law

To prevent registration under section 7(6) of the Trade Marks Act, bad faith must be distinctly proved, not lightly inferred. It must be assessed on the filing date, looking at what the applicant knew and whether their conduct was unacceptable according to ordinary commercial standards. The burden of proof lies firmly with the opponent.

IPOS found compelling evidence that “童年时光” consistently appeared alongside the CHILDLIFE brand, including with the ChildLife heart device, and both Dr. Clarke and TNSG itself presented it publicly as the Chinese name of ChildLife.

Given his role as the founder of the business, Dr. Clarke’s belief that he owned the mark — including its Chinese version — was held to be genuine and reasonable.

Foreign proceedings

Courts in the US and China had already found misuse of ChildLife-related marks by TNSG, attempts to claim rights through extensive filings and activities described as a “counterfeiting scheme” in the US district court. While not binding, these findings further undermined the opponent’s assertions.

Consequently, the opposition failed, and the application proceeded to registration with costs awarded to the applicant.

Key takeaways

The decision demonstrates the importance of setting out the relevant rights, licensing arrangements and permissions in distribution agreements between parties so that the parties’ rights and obligations are clear. In the event of a breach or bad faith, the agreement will serve to provide clear evidence of the party’s wrongdoing. In this case, there were unique facts surrounding the use by the parties, together with the opponent’s misappropriation in several jurisdictions. It is clear that significant weight will be placed on the evidence of the relationship between the parties and the historical treatment of the marks by the parties.

We were pleased to represent and assist Dr. Clarke in securing a positive outcome, including costs awarded against the opponent. Our team regularly advises clients on managing brand rights in various languages and across various commercial contexts. Please let us know if you have any questions about our services.

* * * * *

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© 2025 Baker & McKenzie. Wong & Leow. All rights reserved. Baker & McKenzie. Wong & Leow is incorporated with limited liability and is a member firm of Baker & McKenzie International, a global law firm with member law firms around the world. In accordance with the common terminology used in professional service organizations, reference to a "principal" means a person who is a partner, or equivalent, in such a law firm. Similarly, reference to an "office" means an office of any such law firm. This may qualify as "Attorney Advertising" requiring notice in some jurisdictions. Prior results do not guarantee a similar outcome.

Contact Information
Andy Leck
Principal
Singapore
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andy.leck@bakermckenzie.com
Ren Jun Lim
Principal
Singapore
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ren.jun.lim@bakermckenzie.com
Ken Chia
Principal
Singapore
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ken.chia@bakermckenzie.com
Sanil Khatri
Local Principal
Singapore
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sanil.khatri@bakermckenzie.com
Daryl Seetoh
Local Principal
Singapore
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daryl.seetoh@bakermckenzie.com
Natalie Joy Huang
Local Principal
Singapore
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natalie.huang@bakermckenzie.com

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