Product designs may be protected by both design patents and copyright simultaneously. Each has advantages and disadvantages, and combining them creates a more comprehensive protection network.
Design patents protect the shape, pattern, or combination thereof of a product, as well as the combination of color with shape and pattern. They must be embodied in a product and require novelty and inventiveness. Copyright protects original artistic and graphic works, is not tied to a product, arises automatically upon creation, and requires no examination or grant.
Design patents are protected for 15 years from the filing date, with strong enforcement—others may be prohibited from manufacturing, selling, or importing products with identical or similar designs. Copyright lasts for the author's lifetime plus 50 years (50 years for corporate works), but enforcement is relatively weaker, requiring proof of access + substantial similarity, and independent creation is not infringing.
For core product designs, applying for both design patents and copyright registration is recommended. Design patents provide strong protection, while copyright serves as a fallback (still enforceable if the patent is invalidated). Product packaging and promotional brochures may rely primarily on copyright. UI interface designs may apply for both design patents and graphic work copyright.
Design patent applications must not have been publicly disclosed before filing (otherwise novelty is lost), whereas copyright does not require novelty. A publicly disclosed design can no longer be patented but may still be protected by copyright. Enterprises are advised to complete patent applications before product launch while retaining design drafts and creation process records as copyright ownership evidence.