You have to pay for copyrights... if you have a lawyer or the like, talk to him/her and find out what must be done, if not, research it on the net..
There are all different types of copyrights out there, some cost a dollar a month, some millions a year (an exageration, i know), just depends on what you want...
But there is also Intellectual Property, which is just a given that if you created something original, then you own that idea... and if anyone copy's the idea, then thats infringeing on your copyright, but that doesnt cover against piracy and that...
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