Intellectual property is one of the most misunderstood aspects of bringing a product to market. Most inventors know they should probably do something about it — fewer know what that something is, when to do it, or what it actually protects.
What IP protection is and what it isn't
Intellectual property protection does not prevent someone from copying your idea. It gives you a legal mechanism to pursue them if they do. That distinction matters because it reframes IP from something that creates a physical barrier around your design into something that creates a legal position from which you can act — and, as importantly, from which you can deter others from acting against you. A competitor who knows you hold a granted patent covering the key mechanism in your product has a strong incentive to design around it or licence it rather than simply copy it and absorb the litigation risk.
It also matters because enforcement requires resources. A granted patent that you lack the budget to defend in court offers weaker protection than the certificate implies. This isn't an argument against seeking protection — it's an argument for being clear-eyed about what protection achieves and calibrating the investment in it accordingly. For a first-time inventor with a novel consumer product, a granted UK patent is a meaningful commercial asset. For a small studio producing low volumes of a specialist product in a market where no competitor has the scale to litigate, the defensive value of a patent may be less significant than the cost of obtaining and maintaining it.
The four types of IP protection relevant to product design
Patents protect novel technical inventions — the way something works, the mechanism by which it achieves a function, or a novel application of a known principle. To be granted, an invention must be new, involve an inventive step that is non-obvious to someone skilled in the field, and be capable of industrial application. Patents are the strongest form of protection for a genuinely novel technical product, and also the most expensive and time-consuming to obtain. A UK patent typically takes three to five years from application to grant and costs several thousand pounds including professional fees, before renewal fees are factored in.
Registered designs protect the appearance of a product — its shape, configuration, colour, texture, and ornamentation — rather than its function. A registered design is faster and cheaper to obtain than a patent, usually granted within a few months of application, and provides protection for up to twenty-five years if renewal fees are paid. For products where the visual design is the primary commercial differentiator — a distinctive consumer product, a design-led tool, a branded accessory — registered design protection is often more practically useful than a patent and considerably more accessible.
Unregistered design right arises automatically in the UK when an original design is created, without any registration requirement. It protects the shape and configuration of a product but not its surface decoration, and lasts for ten years after first marketing or fifteen years after creation, whichever is shorter. Unregistered design right is free and automatic, but it only protects against direct copying — someone who independently arrives at a similar design has not infringed it. It also requires you to be able to prove the design existed at a given date, which means documentation matters.
Copyright protects original creative works — drawings, CAD files, written specifications, rendered images — and arises automatically on creation without registration. Copyright in technical drawings and CAD models is owned by the creator, which has specific implications for commissioned design work: unless a contract specifies otherwise, the designer who produces the CAD model may own the copyright in it even if the client paid for the work. This is a point that regularly surprises clients who assumed that paying for design work automatically transferred all associated IP.
Unless a contract specifies otherwise, the designer who produces the CAD model may own the copyright in it even if the client paid for the work. IP ownership in commissioned design work is a contractual matter, not an automatic consequence of payment.
The prior art problem: why timing matters
A patent can only be granted for an invention that was not publicly known before the application date. Public disclosure of your own invention before filing — demonstrating it at a trade show, discussing it in a published article, selling a product that embodies it, or describing it in detail to someone not bound by confidentiality — destroys the novelty of the invention and makes it unpatentable, at least in the UK and European systems. The United States provides a one-year grace period for the inventor's own disclosures, but most other jurisdictions do not.
The practical implication is that the sequence of events matters. Filing a patent application, or at minimum a priority application that establishes a filing date, should happen before any public disclosure of the invention — not after you've tested the market, not after you've exhibited at a trade show, and not after you've sent an unprotected sample to a potential manufacturer. The filing date is the reference point against which novelty is assessed, and moving it earlier costs very little compared to the value of preserving patentability.
Prior art searches — checking whether your invention, or something sufficiently similar to it, already exists in the patent database — are worth conducting before investing in a full patent application. The UK Intellectual Property Office, the European Patent Office's Espacenet database, and Google Patents all provide searchable access to granted patents and published applications. A search won't give you a definitive answer on patentability — that requires a professional opinion — but it will tell you whether there are obvious obstacles worth understanding before committing to the application process.
NDAs: what they do and the limits of relying on them
A non-disclosure agreement is a contract under which one party agrees not to disclose confidential information shared by the other. NDAs are appropriate and useful when sharing design information with potential manufacturers, development partners, investors, or suppliers before any formal IP protection is in place. A signed NDA creates a contractual obligation and a legal remedy if it's breached — which is meaningfully better than sharing information with no protection at all.
What NDAs don't do is prevent disclosure — they create a consequence for it. An NDA is only as useful as your ability and willingness to pursue a breach through the courts, which requires identifying that a breach occurred, proving it, and funding litigation. For sharing designs with reputable professional studios and manufacturers, an NDA combined with a professional relationship and commercial self-interest on both sides provides reasonable practical protection. For sharing with parties whose reliability is unknown, an NDA provides legal recourse but not actual security.
The other limitation of relying on NDAs as a primary IP strategy is that they don't establish priority. An NDA keeps information confidential within a defined group but does nothing to establish that the invention existed at a given date in a way that would be recognised in patent proceedings. Documentation — dated design records, witnessed development logs, time-stamped CAD files — provides evidence of priority that is useful regardless of whether a formal patent application is ever made.
Practical steps before you share your design with anyone
Document everything, dated: Keep a design development log with dated entries describing the invention's development. Photographs, sketches, CAD file timestamps, and email threads all constitute evidence of the invention existing at a given point. Cloud storage with automatic timestamps is not a substitute for deliberate documentation, but it contributes to the picture.
Conduct a prior art search: Search Espacenet and Google Patents using terms that describe the function and mechanism of your invention, not its name. A product name search will return nothing useful; a search for the technical principle — "mechanism for converting linear motion to rotary using a compliant element" — will surface relevant prior art if it exists.
File a priority application early: A UK patent application filed with the IPO establishes a priority date even before the full examination process begins. For a first-time inventor, instructing a patent attorney to file a priority application before any public disclosure is a proportionate and relatively affordable step that preserves options. The fuller examination process — and the associated cost — can follow once the commercial viability of the product is clearer.
Use NDAs before sharing: Have a simple, professionally drafted NDA in place before sharing design details with any third party. Standard NDA templates from the IPO or a commercial legal provider are a reasonable starting point for straightforward disclosures. For more complex arrangements — joint development, licencing discussions, investor due diligence — professional legal advice is worth the cost.
Clarify IP ownership in any design contract: Any agreement with a designer, engineer, or development studio should specify who owns the IP in the work produced. The default position under UK law is not always what either party assumes, and a clear contractual clause is considerably easier to negotiate before work begins than after a dispute about ownership has arisen.
Licencing: IP as a commercial asset, not just a defensive tool
IP protection is usually framed as a defensive measure — something that stops competitors copying your product. It's also a commercial asset that can generate revenue independently of manufacturing or selling the product yourself. A patent covering a novel mechanism can be licenced to manufacturers who want to use it, generating royalty income without the inventor needing to build a production operation. A registered design can be licenced to product companies who want to produce a range of products sharing a visual identity. These are not niche outcomes — licencing is a significant part of how IP value is realised in mature markets, and it's worth understanding as an option from the start of the development process rather than as an afterthought.
Licencing requires IP that is cleanly owned, clearly documented, and sufficiently protected to give the licensee confidence that they're acquiring something defensible. That means the ownership chain from inventor to rights holder needs to be unambiguous — which circles back to the importance of IP clauses in design and development contracts — and the protection itself needs to be in a form that a commercial party can evaluate. A provisional application with an established priority date is a starting point. A granted patent with examined claims is considerably more valuable as a licencing asset.
When to instruct a patent attorney
The honest answer is earlier than most inventors do. A patent attorney consulted at the concept stage can advise on patentability, suggest claim strategies that maximise the scope of protection, identify prior art that might affect the approach, and flag issues with the development plan that would prejudice future applications. That advice is valuable precisely because it shapes decisions while they can still be shaped — before public disclosure has occurred, before design choices have been locked in, and before money has been spent on development work that may need to be redirected.
The cost of early patent attorney consultation is meaningful but not prohibitive, and it should be framed as part of the development budget rather than an optional extra. Inventors who engage professional IP advice late — after disclosure events have already occurred, after a design has been developed without considering patentability, or after a manufacturer has raised questions about freedom to operate — are dealing with problems that are more expensive to resolve than they would have been to prevent. The IPO's own guidance recommends seeking professional advice early, which is not something government bodies say without reason.
IP is not a box to tick at the end of the development process. It's a set of decisions that interact with design choices, disclosure timing, commercial relationships, and business strategy throughout the life of a product. Treating it that way — understanding what each type of protection covers, when to act, and what the limits of each tool are — is what separates inventors who build defensible commercial positions from those who build good products and then discover too late that they have limited ability to protect them.
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