Yes, this is a stock message board where there is great debate regarding BBDA. Your position regarding what is owned by BBDA and what isn't is not supported by your statement. It is up to you to prove Koma is owned by BBDA and you can't prove your position. Sorry, no need for legal action.
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As another example, in debate the burden of proof is placed on the affirmative team. As a final example, in most cases the burden of proof rests on those who claim something exists (such as Bigfoot, psychic powers, universals, and sense data).