IMO it's not any violation and they can have it. it would be if they used same colours and also the words ABANDONIA. and even then if they made it ABANDIYO it wouldnt' be in violation, cause at least two letters are different. 
Unless this graphics is copyrighted/protected by the original author of space invaders. in which case abandonia would be in violation as well. but i very much doubt this kind of sign is copyrighter, cause there isn't wasn't much choice in graphics back then.
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Crantius Colto: Fear not. You are safe here with me.
Lifts-Her-Tail: I must finish my cleaning, sir. The mistress will have my head if I do not!
Crantius Colto: Cleaning, eh? I have something for you. Here, polish my spear.
Lifts-Her-Tail: But it is huge! It could take me all night!
Crantius Colto: Plenty of time, my sweet. Plenty of time.
From The Lusty Argonian Maid by Crassius Curio found in TES3: Morrowind
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