I'm sorry to join this thread almost a year late, but I just had to comment on two things.

1) The text of the cease and desist letter proves once and for all that laywers have no sense of humor! They actually seemed to think that "American Expressway" was a real company/service provided. Otherwise, what "service" could actually be confused? I don't think the lawyers are bad people or are trying to harrass anyone, they just don't have any sense of funny.

2) Bayer AG was forced to give up its trademark of "Aspirin" after WWI? Interesting, since they still put the little R in a circle after the word here in Germany! I think someone forgot to tell them!