Copyright is protection provided by statutory law for the form or forms in which you create or express a “work”, whether it be literary (such as an instruction manual, a label, a computer program, or a novel or book of poems), dramatic, musical, or artistic (such as a painting, a drawing, a sculpture, or a photograph).
Subject to certain reservations, copyright in a work usually is owned by the creator/author of that work. This has to be taken into consideration when engaging a third party to create a work for your business. An assignment of copyright in the work can provide you with a right you may need to use to protect your business.
While registration of copyright is not part of statute law in Australia and New Zealand, it is available in other jurisdictions and is worth considering.