This is like asking:
"Who owns the text microsoft word helped you write?"
Claude code is a software tool not a legal entity.
Not if claude does the writing. MS doesn't write things for you, and if it did, you would not be entitled to a copyright in whatever it wrote for you.
Not if claude does the writing. MS doesn't write things for you, and if it did, you would not be entitled to a copyright in whatever it wrote for you.