Marketing A Solution And Have A Link To A Good Resource Regarding The Rules And Regulations Of Copyrighting And Distributing Solutions

Q. Does anyone have a link to a good resource regarding the rules and regulations of copyrighting and distributing solutions? I'm working on a project now and am thinking I could market a version of this to other industries besides the one in which I am now working (otherwise I would be marketing to competitors which is a BIG A. -In other words it could be used by the competition, and you are employed by a company that may already own what you've created, unless you've got a good lawyer [better than anyone else's]. If you don't already have a pre-employment contract, y