Who owns the artwork, the code, and the shape of the product?
The two rights businesses assume they hold automatically. Copyright does arise on creation — but almost never in the name of the company that paid for the work, unless somebody signed something. Registered design covers the look of a product, and it has a deadline you can miss by publishing.
The ladder is the same for everyone. These are the steps this situation usually starts on.
Public IP disputes, read for what they teach. These are not our clients — they are the record.