Trademark Infringement: Why Likelihood of Confusion Is the Core Element

In a 2013 ruling, the Supreme Court acquitted a Las Piñas City tailor accused of infringing on Levi Strauss trademarks, using the case to clarify a fundamental principle of Philippine intellectual property law: the likelihood of confusion is the gravamen—the very core—of trademark infringement. The decision in Diaz v. People (G.R. No. 180677) offers practical guidance for businesses and individuals on what truly constitutes infringement, and why not every similarity between marks amounts to a crime.

The Case: A Tailor vs. a Global Denim Giant

Victorio P. Diaz operated tailoring shops in Las Piñas City that produced made-to-order jeans. Levi Strauss (Phils.), Inc., the local licensee of the famous LEVI'S 501 brand, received information that Diaz was selling counterfeit jeans. After surveillance and test purchases, the National Bureau of Investigation raided his shops and seized jeans that bore features resembling Levi's trademarks—the arcuate (curved) stitching on back pockets, a red tab, and a leather patch.

Diaz was charged with two counts of trademark infringement under Section 155, in relation to Section 170, of Republic Act No. 8293 (the Intellectual Property Code). The Regional Trial Court convicted him, but the case reached the Supreme Court after his appeal was dismissed by the Court of Appeals for the late filing of his brief.

The Issue: More Than Just Technicalities

The Court first addressed a procedural question: whether the Court of Appeals properly dismissed Diaz's appeal for filing his brief 18 days late, despite having been granted three extensions. The Court acknowledged that the dismissal was within the appellate court's discretion. However, because Diaz's personal liberty was at stake, the Court chose to look beyond the technicality and review the merits of the case itself.

This procedural ruling carries an important lesson: while rules on deadlines are strict, courts may relax them when substantial justice requires, particularly in criminal cases where an accused faces imprisonment.

The Core Question: What Is Trademark Infringement?

The Supreme Court then laid out the elements of trademark infringement under the Intellectual Property Code:

1. The trademark being infringed is registered with the Intellectual Property Office;
2. The trademark is reproduced, counterfeited, copied, or colorably imitated;
3. The infringing mark is used in connection with the sale or advertising of goods, or applied to labels, packages, or similar materials;
4. The use is likely to cause confusion, mistake, or deception as to the goods or their source; and
5. The use is without the consent of the trademark owner.

The Court emphasized that the fourth element—likelihood of confusion—is the heart of the offense. Without it, there is no infringement, no matter how similar two marks may appear.

Two Tests for Confusion

The Court explained two tests used to determine whether confusion is likely:

• The dominancy test focuses on the similarity of the main, prevalent, or essential features of competing marks. If the dominant feature of one mark is present in another, infringement may exist.
• The holistic test considers the marks in their entirety, including labels and packaging, to determine whether the overall impression causes confusion.

For cases involving jeans, the Court applied the holistic test, citing its earlier ruling in Emerald Garment Manufacturing Corporation v. Court of Appeals.

Why Diaz Was Acquitted

Applying the holistic test, the Court found no likelihood of confusion between Diaz's products and genuine LEVI'S 501 jeans:

• Different trademarks: Diaz used "LS JEANS TAILORING," which was visually and aurally distinct from "LEVI STRAUSS & CO." The word "LS" was linked to "TAILORING," openly suggesting the jeans came from a tailoring shop, not a mall boutique.
• Different designs: The leather patch on Diaz's jeans featured two buffaloes, not two horses. His red tab bore the letters "LSJT," not "LEVI'S."
• Different markets: Genuine LEVI'S 501 jeans were expensive, sold only in malls and boutiques as ready-to-wear items. Diaz's jeans were made-to-order, priced at around ₱300, and catered to a different class of customers.
• Registered trademark: Diaz's "LS JEANS TAILORING" mark was itself registered with the Intellectual Property Office, which would not have allowed registration if it were confusingly similar to Levi's marks.

The Court also noted that jeans are not inexpensive, everyday items. Buyers of such products are more cautious and discriminating, making confusion less likely. The "ordinary purchaser" of jeans is someone familiar with the brand they seek, not a completely unwary consumer.

Because the prosecution failed to prove likelihood of confusion, the evidence did not meet the standard of proof beyond reasonable doubt. Diaz was acquitted.

Practical Takeaways

• Likelihood of confusion is everything. In a trademark infringement case, the prosecution must prove that consumers are likely to be confused, mistaken, or deceived. Similarity alone is not enough.
• Context matters. Courts consider the product type, price, target market, and purchasing habits. Expensive or brand-conscious purchases involve more careful buyers, reducing the chance of confusion.
• The whole mark is considered. Under the holistic test, courts look at the entire mark—including labels, designs, and packaging—not just one feature.
• Registration is a strong defense. Having a trademark registered with the Intellectual Property Office supports a claim of good faith and makes a finding of confusion less likely.
• Deadlines still matter. While courts may relax procedural rules in the interest of justice, litigants should never rely on that possibility. Filing briefs on time remains the safest course.

This article is general information and not legal advice. For your specific situation, consult a lawyer or ask ASG Legal AI.