During proceedings before the Trademark Trial and Appeal Board (TTAB), when an Opposer lacks a trademark registration to rely on, the issue of priority becomes significant and evidence must be presented to establish it. To demonstrate priority under common law, the trademark statute requires that the mark has been previously used in the United States without being abandoned. Abandonment, as defined by the statute (Section 45, 15 U.S.C, §1127), occurs when the use of a mark is discontinued with no intention to resume it. Nonuse for three consecutive years is considered prima facie evidence of abandonment. "Use" of a mark refers to its genuine use in regular trade and not as a mere reservation of rights. Once a mark has been abandoned, any subsequent use cannot be combined with the pre-abandonment use.
Establishing "use" in the United States to demonstrate priority sets a relatively low threshold compared to the requirement of "use in commerce" for filing a trademark application based on use. Section 14 (15 U.S.C. §1064) of the statute does not demand prior use throughout the entire United States to establish priority rights in a TTAB proceeding.
To establish priority in a likelihood of confusion claim, one party must prove prior ownership of a trademark or trade name used in the United States. The use can be actual use or use analogous to trademark use. The party needs to demonstrate proprietary rights and show that confusion is likely to occur. Testimonial evidence can be sufficient if it is based on personal knowledge of the facts and demonstrates prior and continuous use. The Opposer carries the burden of proving its prior rights by a preponderance of the evidence. A single purchase order is insufficient to support claims of prior continuous rights. Ongoing activity is required to demonstrate regular or recurring use of a trademark in the United States.
If a party relies on common law rights to establish priority, these rights must be included in the Notice of Opposition or Cancellation Petition along with any applicable registrations. The evidence supporting common law rights must be clear, specific, and convincing, demonstrating regular and recurring use of the mark in connection with the relevant goods or services. If the submitted evidence is uncertain about specific dates, the TTAB will rule against the party seeking to prove the date.
If a party aims to establish an earlier date than the one indicated in the trademark application, a higher evidentiary burden than a "preponderance of evidence" is required. The proof must rise to the level of "clear and convincing evidence." The TTAB does not assess prior use based on geographic regions but instead determines which party has demonstrated prior rights anywhere in the country, granting priority to that party. Geographically restricted rights can only be reviewed in a concurrent use proceeding, which may be initiated after the opposition or cancellation proceeding, even if the party did not succeed in the prior proceeding.
If you need legal advice regarding your trademark rights, assistance with trademark prosecution, or representation in a domain name dispute, contact Wilson Whitaker Rynell. Our team of trademark lawyers has extensive experience in all aspects of trademark and copyright law, including the filing of trademark applications and representing clients in defense or prosecution before the Trademark Trial and Appeal Board.
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