Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
You’ve built something new. Maybe it’s a physical product, a piece of hardware, a manufacturing method, or a clever technical feature that gives your business an edge.
Then you start seeing the phrase patent pending everywhere - on packaging, pitch decks, websites and crowdfunding pages.
But what does patent pending actually mean in the UK? And more importantly for a startup or SME: what does it protect, what doesn’t it protect, and when is it worth using?
Let’s break it down in plain English, with the practical legal and commercial implications you’ll want to understand before you put “patent pending” on your product.
What Does “Patent Pending” Mean In The UK?
In the UK, patent pending generally means you’ve filed a patent application (or a relevant application that could lead to a granted patent), and it hasn’t been granted or refused yet.
It’s essentially a status - not a right by itself.
Why Businesses Use “Patent Pending”
From a business perspective, “patent pending” is commonly used to:
- Signal deterrence (competitors may think twice before copying if they believe a patent may later be enforceable);
- Build credibility with investors, retailers, distributors or customers;
- Support valuation conversations by showing you’re actively protecting innovation;
- Help negotiations (for example, in early licensing or collaboration talks).
That said, it’s important not to overestimate what “patent pending” does. The words themselves don’t automatically stop someone copying you.
Does “Patent Pending” Have A Legal Definition?
There isn’t a single, special legal “badge” in UK legislation that creates a new legal right the moment you say “patent pending”. It’s not like a licence.
Instead, the meaning comes from the underlying reality: an application exists, and depending on what happens next (grant, scope of claims, timing), you may later be able to enforce rights.
What “Patent Pending” Protects (And Why It Still Matters)
“Patent pending” can be commercially useful because a filed patent application can become a real enforceable patent later - and the filing date can matter a lot.
It Can Give You A Priority Date
Once you file a patent application, you generally establish a priority date (often the filing date). In the UK (and most patent systems), patents are generally awarded on a first to file basis, so filing early can be crucial if others later file similar applications.
For startups and SMEs, this is often one of the biggest strategic benefits: filing can help you “plant your flag” early, even if the full patent process takes time.
It Can Strengthen Your Position In Commercial Deals
Even before a patent is granted, investors and commercial partners may treat a pending application as a sign you’re building defensible IP.
That can matter in:
- fundraising rounds;
- distribution arrangements;
- manufacturing or product development partnerships;
- licensing negotiations.
If you’re entering discussions where you’ll be disclosing the invention or technical details, you should also consider using an Non-Disclosure Agreement so you’re not relying on “patent pending” as your only layer of protection.
It May Allow A Claim For Compensation From Publication (In A Limited Way)
This is the part that often gets misunderstood, so it’s worth saying carefully.
In some situations, if your UK patent is later granted, you may be able to seek compensation for certain acts carried out after your application is published and before grant (not simply from the filing date). This is a limited, technical area and depends on specific legal requirements - including that the eventual granted claims are substantially the same as those published, and that the other party had the required notice.
In other words: the pending period can matter, but it’s not as simple as “you can sue immediately once you file”.
Because this area is technical and fact-specific, it’s a good idea to get advice early, especially if you think a competitor is already moving into your space.
What “Patent Pending” Does NOT Protect (Common Misunderstandings)
For most small business owners, the risks come from assuming “patent pending” is a shield. It isn’t - at least not on its own.
1) It Doesn’t Automatically Stop Copycats
Putting patent pending (or “pat pending”) on your website or product doesn’t automatically prevent a competitor from copying or launching something similar.
They might still take the commercial risk - especially if they suspect your application won’t be granted, or will be narrow.
2) It Doesn’t Create Immediate Patent Enforcement Rights
In general, a patent becomes enforceable when it’s granted, not merely filed.
So if you’re in a hurry to stop someone, “patent pending” alone may not give you the immediate remedy you’re expecting.
3) It Doesn’t Protect Your Brand Name Or Logo
This is a big one for startups.
A patent protects an invention (a technical idea). It doesn’t protect your business name, logo, or product branding. If your main concern is someone riding off your reputation, you might need trade mark protection instead.
How you contract with agencies and creatives also matters here - for example, you’ll want your contracts to clearly cover IP ownership in brand assets, website content and designs.
4) It Doesn’t Replace Contracts
If you’re sharing prototypes, manufacturing drawings, software code, or commercial plans, you still need proper contractual protection.
Depending on the relationship, that might mean:
- an Non-Disclosure Agreement to protect confidential information;
- a supply or manufacturing agreement that controls tooling, specifications and IP;
- a development agreement that clarifies who owns improvements and outputs.
And if you’re raising funds or bringing in co-founders, the IP story should sit neatly alongside your corporate documents (more on that below).
5) It Doesn’t Guarantee You’ll Get A Patent
Plenty of applications never reach grant. Some are refused. Some are withdrawn. Some proceed, but only after the claims are narrowed.
So “patent pending” is not the same as “patented”, and it’s risky to build marketing claims or commercial strategies on the assumption that the patent is a sure thing.
When Should A Startup Or SME Use “Patent Pending”?
Used properly, “patent pending” can be a smart business move. Used carelessly, it can backfire (commercially and sometimes legally).
Use “Patent Pending” When You’ve Actually Filed
First and foremost: you should generally only say “patent pending” if there is a genuine patent application filed that relates to the product/feature you’re promoting.
If you’re unsure whether what you’ve filed covers the specific product you’re marketing, get advice - it’s easy for messaging to drift while product development evolves.
Use It Strategically (Not Everywhere)
For many SMEs, the best use of patent pending is targeted:
- on your product packaging for the specific product covered by the application;
- in investor decks, where you can clarify what has been filed and what it covers;
- in B2B conversations, especially where the other side is weighing whether you have defensible IP.
Overusing “patent pending” across unrelated products can create confusion and credibility issues.
Pair It With A Practical IP + Contracts Plan
For most startups, the best protection is layered. “Patent pending” can be one layer - but it’s rarely enough by itself.
Common layers include:
- confidentiality controls (NDAs, restricted access, staff policies);
- clear IP ownership in contractor/founder agreements;
- good commercial contracts with manufacturers, distributors, and developers;
- trade marks for brand protection;
- design registration if the look/appearance of the product is key.
If you’re working with co-founders or early investors, it’s also worth ensuring your governance documents match your IP strategy - for example, a Founders Agreement can help deal with who owns what, what happens if someone leaves, and how key business decisions are made.
What Else Should You Put In Place While Your Patent Is Pending?
The patent process takes time. That doesn’t mean you should hit pause on the legal side of your business until it’s granted.
In fact, the “pending” period is when many businesses are most exposed - because you’re often marketing, pitching, manufacturing, and hiring, while the core IP protection is still in progress.
1) Get Your Business Structure Right
Before you scale, make sure you’re operating through the right structure (and that ownership of the invention is clearly held where you want it held).
If you’re a company, key corporate documents can help avoid disputes later. For example, well-drafted Articles of Association and a Shareholders Agreement can set out how decisions are made, what happens when someone exits, and how shares can be transferred.
This matters because investors and acquirers typically want certainty that the company genuinely owns the IP (not an individual founder personally, or a contractor).
2) Lock Down IP Ownership With Contractors And Developers
Many startups build products using contractors (engineers, software developers, product designers).
If IP ownership isn’t clearly documented, you can end up in a situation where your business pays for development but doesn’t fully own the outputs - which is the last thing you want while saying “patent pending” publicly.
A tailored Freelancer Agreement can help clarify deliverables, IP assignment, confidentiality, and usage rights.
3) Use NDAs For Early Discussions (But Don’t Treat Them As Bulletproof)
NDAs are particularly useful when you need to share technical details with:
- manufacturers and suppliers;
- potential partners;
- beta testers;
- investors (sometimes).
Having an Non-Disclosure Agreement in place can reduce the risk of information leaking or being used outside the agreed purpose.
But NDAs are only as good as your ability to enforce them and prove misuse - so they should sit alongside good internal controls (limiting who gets access, marking documents confidential, keeping records of what was shared and when).
4) Protect Customer And User Data If You’re Launching Online
A lot of invention-led businesses still sell online, collect email sign-ups, run apps, or operate SaaS platforms.
Even though this isn’t “patent law”, it becomes a real risk area as soon as you start collecting personal data. UK GDPR and the Data Protection Act 2018 can apply, and you may need a properly drafted Privacy Policy.
This is especially important if you’re using waiting lists, pre-orders, crowdfunding, or beta access programs while your patent is pending.
5) Make Sure Your Marketing Doesn’t Overclaim
From an advertising and consumer protection perspective, be careful about how you describe your product status.
“Patent pending” should not be used in a way that misleads customers about what’s protected or guaranteed. If you’re selling to consumers, your broader obligations under consumer law (including product descriptions and fairness) can also come into play.
If you’re unsure, it’s worth getting your website copy and product claims reviewed before you scale up your advertising spend.
Key Takeaways
- Patent pending in the UK generally means you’ve filed a patent application and it hasn’t been granted (or refused) yet - it’s a status, not a standalone legal right.
- “Patent pending” can still be valuable because it signals you’ve taken steps to protect an invention and may create strategic leverage in funding and commercial negotiations.
- Patent pending does not automatically stop competitors copying your product, and it doesn’t give you the same enforcement power as a granted patent.
- It also doesn’t protect your brand (names/logos), and it doesn’t replace practical protections like NDAs, IP clauses in contractor agreements, or strong commercial contracts.
- While your patent is pending, make sure the rest of your legal foundations are solid - including IP ownership arrangements, governance documents, and privacy compliance if you operate online.
- If you’re going to use “patent pending” (or “pat pending”) in marketing, do it accurately and consistently, and avoid implying you already have a granted patent.
If you’d like help putting the right legal protections in place while your patent is pending - from NDAs and contractor agreements to company set-up and shareholder arrangements - you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.


