How can a designer or company legally protect an idea, a name or a product so competitors cannot simply copy it?
Intellectual property and how designs are protected through patents, registered designs, copyright and trademarks, the role of these protections in commercial success, and the difference between each form of protection.
A focused answer to AQA A-Level Design and Technology Product Design core content, covering intellectual property and how designs are protected through patents, registered designs, copyright and trademarks, and the difference between each form of protection.
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What this dot point is asking
AQA wants you to explain intellectual property, distinguish the main ways a design is protected (patents, registered designs, copyright and trademarks), explain what each protects and for how long, and explain why this protection matters commercially.
What is intellectual property
The four main protections
The four protections differ on three axes that AQA expects you to handle: what they protect (function, appearance, brand or creative work), whether they need registering and how long they last. A patent protects a genuinely new, inventive and useful function; it must be searched, examined and granted, which is slow and costly, and in return the inventor must publicly disclose how the invention works. It lasts up to 20 years if renewal fees are paid, after which anyone may copy it. A registered design protects the appearance (shape, configuration, pattern, ornamentation) and is cheaper and quicker to obtain than a patent, lasting up to 25 years in five-year renewals. Copyright is automatic from the moment an original work is fixed (drawings, manuals, photographs, code) with no registration, and lasts decades beyond the creator's life. A trademark protects a sign that distinguishes a brand (name, logo, slogan, and in some cases a shape or colour); it must be registered, and can be renewed indefinitely as long as it is used and defended.
There is also unregistered protection. Unregistered design right can arise automatically and protect the shape of an article for a limited period, which is useful for short-lived products where formal registration is not worth the cost. This is why a company often uses several protections together: Dyson, for example, would rely on patents for the mechanism, registered designs for the appearance and trademarks for the name, layering the protections so a competitor cannot copy the product cheaply on any front.
Why protection matters
IP protection gives a designer or company a competitive advantage by stopping copying, lets them recover the cost of research and development, and creates an asset that can be licensed or sold for income. Licensing is significant: rather than manufacturing everything itself, a company can grant another firm the right to use a patent or trademark in exchange for a royalty, turning the IP into an income stream. Strong IP also makes a business more valuable to investors and can be used defensively in court to stop imitators. The trade-off, especially with patents, is that protection is finite and requires public disclosure, so some companies instead keep a process secret (a trade secret) when the invention could be kept confidential and would be hard to reverse-engineer.
Exam-style practice questions
Practice questions written in the style of AQA exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.
AQA 20196 marksJames Dyson spent years developing the cyclonic vacuum cleaner. Discuss how the different forms of intellectual property protection could be used to protect his work, and why this protection is commercially important. [6 marks]Show worked answer →
A Paper 1 extended item rewarding applied knowledge across the IP types. The weak answer names protections without matching them to what they cover. Award marks for matching: a patent protects the cyclonic separation mechanism, the new and useful functional invention, for up to 20 years and is the central protection here; a registered design protects the distinctive shape and appearance of the machine; a trademark protects the Dyson name and logo; copyright protects the drawings, manuals and marketing material automatically. Then award the commercial reasoning: protection stops competitors copying the technology during the period when development costs are recovered, lets Dyson license the patent for royalty income, gives a competitive advantage and creates a defendable asset (Dyson has litigated to enforce patents). A top answer notes the trade-off that a patent requires public disclosure of how the invention works, so it expires and competitors can then copy it.
AQA 20214 marksExplain the difference between a patent and a registered design, using an example of a product feature each would protect. [4 marks]Show worked answer →
A short-answer item testing a precise distinction students routinely confuse. Award marks for: a patent protects how an invention works, a new and useful technical or functional idea, and must be applied for, examined and renewed, lasting up to 20 years (example: the mechanism by which a folding bicycle hinge locks). A registered design protects the visual appearance, shape, pattern or decoration of a product, not its function (example: the distinctive curved silhouette of that bicycle's frame). Full marks need the function-versus-appearance contrast plus a valid example for each. A frequent error is saying a patent protects the look of a product, which is the role of a registered design.
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