Their Scary Face pancake is not in the least bit scary looking.
One IHOP is the pancake place. The other is the International House of Prayer. I've long suspected that the prayer group was well aware of the pancake folks before they chose their name, but I don't know that the prayer IHOP actually threatens the pancake IHOP's trademark. Another case in which the only real winners are the lawyers.
IHOP Sues IHOP
IHOP (pancake), based in Glendale, Calif., has sued IHOP (prayer), based in Kansas City, for trademark dilution and infringement. The lawsuit, filed last week in U.S. District Court in Los Angeles, essentially said there was room for only one IHOP and that would be the restaurant chain that has been using the initials since 1973