A patent turns an invention into a protected, ownable asset. Patent registration in Kenya gives an inventor exclusive rights over a new invention for 20 years, in return for disclosing how it works. This guide explains what can be patented, the KIPI process, the shorter utility-model route for smaller innovations, and how to protect an invention abroad.
This guide is for inventors, startups, manufacturers, universities and research bodies with an invention to protect, and for their advisers. If you are not sure which right fits what you have created, start with our guide to protecting intellectual property in Kenya. To commercialise a patent, see our guide to IP licensing and assignment.
A patent is a bargain with the state. In return for disclosing your invention to the public, you receive an exclusive right to exploit it for a limited time, so others cannot make, use or sell it without your consent. In Kenya, patents are granted by KIPI under the Industrial Property Act, 2001. As a result, the exclusive right is what lets an inventor recover the cost of research and turn an idea into a business or a licensing income.
Not every idea qualifies. To be patentable, an invention must meet three tests: it must be new, meaning not already part of the state of the art anywhere; it must involve an inventive step, meaning it is not obvious to someone skilled in the field; and it must be capable of industrial application, meaning it can be made or used in some kind of industry. In addition, discoveries, scientific theories, mere schemes and certain other categories are excluded. In particular, a crucial practical point is novelty: disclosing your invention publicly before you file can destroy it, so file before you reveal it.
Patent registration is more technical than other IP filings, and the drafting of the claims, which define the scope of protection, is where the value is won or lost. In outline the process runs through an application to KIPI with a specification and claims, a formal examination, publication, and substantive examination against the patentability tests, before grant. Because the claims determine what you actually own, patent work usually involves a patent specialist alongside the legal team.
| Feature | Patent | Utility model |
|---|---|---|
| Protects | A new invention | A smaller or incremental innovation |
| Tests | New, inventive step, industrial application | New and industrially applicable (no inventive-step test) |
| Term | 20 years from filing | Shorter, non-renewable term |
| Best for | Significant inventions | Practical improvements and simpler devices |
Not every innovation clears the inventive-step bar, and for those the utility model is a valuable alternative. Instead, a utility model protects a new and industrially applicable innovation without requiring the inventive step a full patent demands, for a shorter, non-renewable term. In practice, it suits practical improvements, tools and simpler devices, and it is often faster and cheaper to obtain. Therefore, choosing between a patent and a utility model is a strategic decision worth taking early.
Importantly, a Kenyan patent protects you in Kenya only. So if you need protection in other countries, there are two main routes beyond national filings. First, the Patent Cooperation Treaty (PCT), of which Kenya is a member, lets you file one international application that preserves your filing date across many countries while you decide where to pursue protection. Alternatively, the ARIPO system, under the Harare Protocol, offers a regional route covering member states in Africa. As with all IP, plan the international strategy before you disclose or launch.
What can be patented in Kenya? A new invention that involves an inventive step and is capable of industrial application.
How long does a patent last? 20 years from the filing date, subject to annual renewal fees.
What if my innovation is not inventive enough? Consider a utility model, which protects new and industrially applicable innovations without the inventive-step test, for a shorter term.
Can I talk about my invention before filing? Better not to. Public disclosure before filing can destroy novelty and your ability to patent.
Does a Kenyan patent protect me abroad? No. Use national filings, the PCT, or the ARIPO Harare Protocol for other countries.
The classic and often fatal mistake is disclosing the invention, at a trade fair, to investors or online, before filing, which can destroy novelty. In addition, others under-invest in the claims, and end up with a patent that is narrow or easy to design around. Similarly, some choose a full patent when a utility model would have been faster and sufficient, or the reverse. Finally, many forget the annual renewal fees, letting a valuable patent lapse.
Our intellectual property team advises inventors and businesses on patent and utility-model strategy, manages filings and prosecution at KIPI, and handles international protection through the PCT and ARIPO. We also license, assign and enforce patents once granted. To protect an invention, contact John Maina or Kenneth Likoko, Partners, at OLM Law Advocates LLP.
This article is a general guide only and is not legal advice. Please seek advice on your specific circumstances.
OLM Law Advocates LLP protects brands, inventions, designs and content: registration, licensing, cross-border filing and enforcement.
Talk to our team
OLMA full-service law firm delivering comprehensive legal services in Kenya and across East Africa. Established 2021.
Nairobi, Kenya
Mwalimu Towers, 1st Floor
Off Mara Road, Upperhill
Nairobi, Kenya
© 2026 OLM Law Advocates LLP · All rights reserved · Regulated by the Law Society of Kenya