Ironically, in this case, Apple argued that the to be able to distinguish between its logo and Apple Corps' differently colored apple symbol. Looking at the next four cases -- not to mention this week's Woolworths battle -- one can't help but wonder when that logic slipped away.

2. Apple vs. GreeNYC

Apple moved to the offensive side of the ring in 2008, when over New York City's use of an apple in its . The GreeNYC logo, Apple alleged, could cause "consumer confusion resulting in damage and injury" to Apple, along with "dilution of the distinctiveness" of Apple's trademark.

New York City's response: "The city believes that Apple's claims have no merit and that no consumer is likely to be confused. ... This well-known city is using its new design in a variety of contexts that have absolutely nothing to do with Apple Inc."

The New York Times, fittingly, : "They've got to be kidding."