Trademarks and Reverse, Forward, Post-Sale, and Initial Interest Confusion

Proving or Defending Against Infringement Under the Likelihood of Confusion Standard

Recording of a 90-minute premium CLE webinar with Q&A


Conducted on Wednesday, February 19, 2020

Recorded event now available

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Program Materials

This CLE webinar will prepare trademark counsel to understand the different types of trademark confusion and meet the challenges of each. The panel will discuss applying the likelihood of confusion standard and will review recent developments in trademark confusion.

Description

Virtually all trademark owners and their counsel wrestle with the challenging issue of the likelihood-of-confusion test for trademark infringement. Understanding the different types of confusion that are actionable under that test is counsel’s first step in avoiding the pitfalls in pursuing or defending against infringement claims.

In its original iteration, the test for infringement turned on the likelihood of mistaken purchasing decisions at the point of sale or, in other words, sales driven by the erroneous belief that the defendant’s goods or services were those of the plaintiff. Moreover, successful infringement claims inevitably were brought by larger companies against smaller ones allegedly seeking to free-ride on the goodwill of the larger companies.

Over time, however, the likelihood-of-confusion inquiry has expanded beyond these traditional boundaries. For example, since an amendment to Section 32 of the Lanham Act in 1962 to eliminate that provision’s focus on the point of sale, courts have increasingly recognized that any kind of confusion is actionable. This includes initial-interest confusion in cases in which a defendant’s use of a mark similar to that of the plaintiff allows the defendant to “get its foot in the door” with a consumer, even if the consumer makes a purchase with full knowledge of the defendant’s identity. It also includes the doctrine of post-sale confusion, which holds that a finding of infringement may rest on likely confusion of parties other than direct purchasers, including observers of an allegedly infringing mark on a product in use by a direct purchaser.

The expansion of the test for infringement also has led to the emergence of claims for reverse confusion in actions in which smaller companies allege that larger companies have violated their rights. Although reverse confusion has become an accepted theory of liability, federal courts differ on its application. For example, the federal circuit courts of appeal are split on the role the strength of the plaintiff’s mark properly should play in a reverse confusion case--should a finding of mark strength favor the plaintiff (as in a conventional forward confusion action), or, alternatively, does such a finding render confusion less likely? The answer may turn on the jurisdiction in question.

Listen as our authoritative panel of IP attorneys discusses the different types of trademark confusion, including reverse confusion, initial-interest confusion, and post-sale confusion. The panel will address the challenges of each type and examine how courts have treated these issues, while in the process identifying best practices for litigating the likelihood-of-confusion standard.

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Outline

  1. Doctrines of trademark confusion
    1. Forward
    2. Reverse
    3. Post-sale
    4. Initial interest
  2. Recent court treatment
  3. Best practices

Benefits

The panel will review these and other notable questions:

  • How has the landscape shifted regarding the use and acceptance of the reverse confusion doctrine?
  • How are courts treating initial interest confusion and post-sale confusion?
  • What are the pitfalls of pursuing and defending against reverse trademark infringement claims?
  • What kinds of evidence are persuasive to provide likelihood of confusion?

Faculty

Davis, Theodore
Theodore H. Davis, Jr.

Partner
Kilpatrick Townsend & Stockton

Mr. Davis's practice focuses on domestic and international litigation and client counseling in the fields of...  |  Read More

Litowitz, Robert
Robert D. Litowitz

Partner
Kelly IP

Mr. Litowitz has over 30 years of experience in litigating patents, trademarks, and other intellectual property...  |  Read More

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