What Are the DuPont Factors in a Trademark Confusion Analysis?
Erik K Pelton
AUGUST 31, 2023
The following is an edited transcript of my video What Are the DuPont Factors in a Trademark Confusion Analysis? A topic that comes up all the time in our line of work is the DuPont factors, and the analysis of them. This famous case (called I n re E. I. DuPont DeNemours & Co. , from the Court of Patent Appeals in 1973, that then became known as the Court of Appeals for the Federal Circuit) laid out the factors for analyzing a likelihood of confusion in any comparison of trademarks at the US
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