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Likelihood of Confusion › Trademark Ownership › Trademark Trial and Appeal Board

Fish & Richardson

Trademark Owners May Play Only Zone Defense at the TTAB

Fish & Richardson on

In a precedential decision invoking the “zone of natural expansion” doctrine, on March 19, 2025, the Federal Circuit upheld a decision by the U.S. Trademark Trial and Appeal Board (TTAB) cancelling in part registrations for...more

Farella Braun + Martel LLP

Certification Marks and Fame

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Trademark owners have the right to stop third parties from using marks that could cause a likelihood of consumer confusion. Third-party use of a trademark that is the same or similar to the owner's trademark for goods related...more

Knobbe Martens

Minority Owners of a Trademark Registrant, Who neither Use nor Possess Ownership Rights in the Mark, Cannot Seek Cancellation of...

Knobbe Martens on

Appeal from the United States Patent and Trademark Office, Trademark Trial and Appeal Board. Summary: Parties that own minority shares in the trademark registrant, but do not separately use or possess an ownership right in...more

Erise IP

What’s Trending in Trademarks, April 2024: Chile/Chili Crunch, Jelly Roll, and Seltzer Sales

Erise IP on

Every month, Erise’s trademark attorneys review the latest developments at the U.S. Patent and Trademark Office, in the courts, and across the corporate world to bring you the stories that you should know about: David...more

Fenwick & West LLP

Federal Circuit Turns the Burden on Trademark Owners to Prove Identical Third-Party Marks Are Not in Use

Fenwick & West LLP on

In Spireon, Inc. v. Flex Ltd., No. 2022-1578 (Fed. Cir. June 26, 2023), the Federal Circuit took a surprising turn in which it held that it is the trademark owner’s burden to prove that identical third-party marks put forth...more

Akerman LLP - Marks, Works & Secrets

Prior Use Under the Pan-American Convention

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The United States is a party to the General Inter-American Convention for Trade Mark and Commercial Protection of Washington, 1929 (“Pan-American Convention”), along with Colombia, Cuba, Guatemala, Haiti, Honduras, Nicaragua,...more

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