IHOP has filed a lawsuit against a church group called the International House of Prayer claiming that the group is illegally using the pancake house's famous acronym.

The legal flap started earlier this month when the International House of Pancakes filed the lawsuit in a federal court in California.

The Kansas City, Missouri-based church group "selected and adopted the International House of Prayer name, knowing it would be abbreviated IHOP. IHOP-KC intended to misappropriate the fame and notoriety of the household name IHOP to help promote and make recognizable their religious organization," the lawsuit says.

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