On the opening day of a closely watched court case in London on Wednesday, lawyers for The Beatles\u2019 record company accused Apple Computer of improperly using an apple logo to advertise its iTunes music store.Apple Corps made opening arguments in its request for an injunction that would bar the computer manufacturer from using its logo\u2014an apple with a bite taken out\u2014to advertise the sale of music through iTunes. The record company alleges that Apple Computer is violating a 1991 agreement that sets limits on how the companies can use their similar logos.Apple Computer founder Steve Jobs chose the logo out of admiration for The Beatles when he cofounded the company in 1976. The companies have sparred in two previous lawsuits over how their logos could be used. Apple Corps\u2019 logo is an uneaten green apple.Apple Corps attorney Geoffrey Vos played an iTunes advertisement for the court, featuring exclusive tracks from the band Coldplay. The ad ends with the Apple Computer logo."That advertisement is as flagrant violation of this agreement as it is possible to imagine," Vos said.Apple Computer\u2019s corporate communications director Alan Hely declined to comment on the case Wednesday morning.-Jeremy Kirk, IDG News ServiceCheck out our CIO News Alerts and Tech Informer pages for more updated news coverage.