"Google" is legal trademark of Google.But i am confused whether any person can use "google" as his name on DP or not ?
Normally not, but it may be considered as minor violation by G. and not worth while to go after it, or not yet
I don't think Google has any say in what your user handle here is (speaking STRICTLY from a legal perspective), unless you are representing yourself as speaking on their behalf. (Of course if google doesn't like something, they have all manner of ways they can influence the situation.) What Shawn has to say on the matter is the final word, in other regards. IANAL. YMMV. XYZPDQ.
I don't know about you, but I wouldn't particularly want to risk it. Unless you actually tried to be google, I doubt it would ever amount to anything. They have bigger fish to worry about, after all.
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