Registering a company name

Q: Is it permissible to register a company name? Once registered, nobody has the right to use this name except myself. Also, what is the ruling regarding registering a product name under my name? After this, nobody can give their product this name except myself.

Earning halaal

Q: There is a saying written on Pakistani notes (money): رزق حلال کمانا عین عبادت ہے

Is this a hadeeth? Does that mean that one should respect money i.e. not throw it on the floor, etc.?