Refused? Confused? Understand Likelihood of Confusion in Trademark Registration

Understand how to analyze likelihood of confusion in the context of trademark registration with a series of five videos explaining the DuPont factors as considered by the USPTO in assessing likelihood of confusion, the most common ground of trademark refusal.  

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Related Content

• Watch the next four videos to understand how to analyze the remaining DuPont factors:
  • Likelihood of Confusion Factors: Buying Conditions & Buyer Sophistication (DuPont Factor 4) Video​
  • Likelihoodof Confusion Factors: Fame of Mark and Third-Party Use (DuPont Factors 5 & 6) Video​
  • Likelihood of Confusion Factors: Actual or Absence of Actual Confusion (DuPont Factors 7 & 8) Video​
  • Likelihood of Confusion Factors: Market Interface (DuPont Factor 10) Video
• Likelihood of Confusion Factors: Key Legal Principles and Representative Cases (Fed. Cir. and TTAB)
  Find key legal principles and representative cases for each DuPont factor to cite when drafting responses to office actions, memoranda, briefs, or other materials that address likelihood of confusion.

• TTAB Decision Tracker: Likelihood of Confusion
  Use this tracker to stay up to date on precedential decisions from the Trademark Trial and Appeal Board addressing likelihood of confusion.

• Likelihood of Confusion Resource Kit
  Explore more Practical Guidance resources on likelihood of confusion including materials for trademark registration and examination, TTAB proceedings, and litigation with this Resource Kit.

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