Coca-Cola appears to have scored a partial win in its battle for dibs on the word “zero.”

Coke has tried for years to get exclusivity to use "zero" on beverages. Recently, the federal Trademark Trial and Appeal Board ruled that while Coke can register "zero" for non-calorie drinks such as Coca-Cola Zero, other makers of zero-calorie drinks also can use the word, according to a report in The Wall Street Journal.

All of which means that the word battle may not be over.

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Postcard depicting the predecessor to Hartsfield-Jackson Atlanta International Airport: Candler Field, c. 1927. The city signed a lease with Asa Candler to open the airfield in 1925. (Kenan Research Center at the Atlanta History Center)

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Managing Partner at Atlantica Properties, Darion Dunn (center) talks with Atlanta Mayor Andre Dickens during a tour following the ribbon cutting of Waterworks Village as part of the third phase of the city’s Rapid Housing Initiative on Wednesday, Dec. 3, 2025.
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Credit: Miguel Martinez-Jimenez