![United States: Spireon Decision Shifts Burden Of Proving Non-Use To Opposer - Seyfarth Shaw LLP](https://cdn.newsserve.net/ONPglobe256.png)
United States: Spireon Decision Shifts Burden Of Proving Non-Use To Opposer - Seyfarth Shaw LLP
The Federal Circuit partially refuted the long held assumption that the trademark applicant has the burden of proving third party marks were in use when determining the strength of the applicant mark.
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