By Royal Hu
In trademark disputes, one of the most difficult questions for courts is understanding what consumers actually think.
Do consumers associate a particular name with a specific brand? Are they likely to confuse one product with another? Has a trademark acquired a strong reputation in the marketplace?
These questions are often central to trademark infringement and unfair competition cases. Yet they cannot always be answered simply by examining trademark registrations, sales figures, or marketing materials. In many situations, courts must evaluate consumer perception itself.
For this reason, consumer survey reports are becoming increasingly important in Chinese intellectual property litigation.
Why Consumer Perception Matters
Trademark law ultimately exists to protect the ability of consumers to identify the commercial origin of goods and services.
When courts assess issues such as trademark confusion, reputation, distinctiveness, or brand recognition, they are often required to determine how ordinary consumers perceive a particular sign in the marketplace.
This creates a practical challenge.
The Lafite Dispute
The dispute involving Château Lafite Rothschild arose from allegations that certain trademarks and product identifiers used by another company could create an association with the famous "Lafite" brand.
To support its claims, Château Lafite Rothschild submitted a consumer survey report to the court.
The survey examined two key issues.
- First, it measured public recognition of the "Lafite" name among consumers.
Second, it assessed whether consumers were likely to associate other signs, including marks containing similar wording, with the well-known French wine producer.
Why the Survey Was Taken Seriously
Not every survey submitted to a Chinese court will be accepted as persuasive evidence.
Chinese courts have frequently rejected surveys that suffer from methodological weaknesses, including inadequate sample sizes, poorly designed questions, unrepresentative respondents, or insufficient transparency regarding the investigation process.
Chinese courts generally pay close attention to several factors when evaluating survey evidence.
The first consideration is whether the survey follows a scientifically sound methodology. The selection of respondents, geographic coverage, sample size, and question design must be capable of producing meaningful and objective results.
The second consideration is procedural reliability. Courts often examine how the survey was conducted, who performed it, and whether safeguards were implemented to ensure accuracy.
The third consideration is whether the survey findings are consistent with other evidence presented in the case. Survey results rarely determine the outcome on their own. Instead, they are usually evaluated alongside sales records, advertising materials, media reports, market data, and other evidence.
In the Lafite dispute, the survey formed part of a broader evidentiary picture supporting the brand owner's position.
The Supreme People's Court's Approach
Chinese judicial practice increasingly recognizes that scientifically conducted surveys may provide valuable assistance when resolving disputes involving consumer perception.
This approach was also reflected in the well-known Michael Jordan trademark litigation, where the Supreme People's Court considered notarized consumer survey reports that had been conducted through standardized procedures. The Court concluded that, when combined with other evidence, such surveys could contribute to proving relevant facts.
The Importance of Notarization and Methodology
One recurring theme in Chinese judicial practice is the importance of procedural credibility.
Courts are generally more willing to rely on survey evidence when the investigation process is independently verified, particularly through notarization. Notarization helps demonstrate that the survey was conducted according to the stated methodology and that the results were not manipulated.
Equally important is the quality of the survey design itself.
Questions must be neutral and non-leading. Respondents should represent the relevant consumer population. Sample sizes should be sufficient to produce reliable conclusions. The survey process should be documented in a manner that allows the court and opposing parties to evaluate its reliability.
Without these safeguards, survey evidence may carry little weight regardless of the conclusions reached.
What This Means for Brand Owners
The Lafite case highlights an important development in Chinese intellectual property enforcement.
For international companies operating in China, this development offers an additional evidentiary tool when protecting trademarks and brand identity.
However, the case also illustrates that survey evidence must be carefully prepared. A poorly designed survey may be disregarded entirely, while a professionally conducted and properly documented survey can become an influential component of the evidentiary record.
Looking Forward
The growing acceptance of consumer surveys reflects a broader trend in Chinese intellectual property litigation. Courts are increasingly willing to consider evidence drawn from social science methodologies when those methodologies are reliable and relevant to the issues in dispute.
The Lafite case demonstrates that trademark disputes are no longer decided solely through legal documents and registration records. Consumer perception has become an important part of the factual inquiry.
Professionally conducted consumer surveys are likely to play an increasingly important role in helping courts understand how brands are perceived in the marketplace.