SAN FRANCISCO — A federal judge on Tuesday blocked the renaming of Oakland International Airport, ruling that adding “San Francisco Bay” to the name causes travelers to mistakenly believe that the East Bay airport is affiliated with or run by the same management as San Francisco’s airport.

A federal judge has ordered the Port of Oakland to stop using San Francisco Bay Oakland International Airport as its airport’s new name while a lawsuit by the city of San Francisco over copyright infringement is ongoing.

A federal judge has ordered Oakland airport officials to halt using "San Francisco Bay" in its name, amid a trademark dispute with San Francisco officials.

The two cities have been at odds since this spring, when the Port of Oakland announced it was adding “San Francisco Bay” to the name of the airport as part of a strategy to boost passenger traffic by emphasizing the city’s geographic place in the San Francisco Bay Area.

A federal judge said including the city name in Oakland's airport name may damage the reputation of the larger and better-rated San Francisco International Airport.

In May, the Port of Oakland, which manages the city's airport, renamed the Oakland airport to San Francisco Bay Oakland International Airport.

The airport’s name, San Francisco Bay Oakland International, suggested that the “lower rated airport” was associated with San Francisco, a federal judge said in a temporary order.

A judge has temporarily ordered Oakland International Airport in California to stop using the name "San Francisco Bay Oakland International Airport" as the cities' legal battle plays out.

A court ruled on Tuesday that the Oakland airport must stop using its new name, the “San Francisco Bay Oakland International Airport.” The Port of Oakland opted to

A federal judge ruled on Tuesday that Oakland violated San Francisco's trademark and must immediately stop using the name "San Francisco Bay Oakland International Airport."