A patent in Nepal protects a new, disclosed invention for 7 years under the Patent, Design and Trade Mark Act 1965, while a trade secret has no fixed term — it lasts as long as you keep it confidential. Choosing the wrong one can cost you the very right you were trying to protect.
Key Takeaways
- Nepal is a first-to-file country — a patent belongs to whoever files the valid application first, not the first inventor.
- A patent requires you to fully disclose the invention to the Department of Industry (DoI); a trade secret demands the opposite — total secrecy.
- Patent protection lasts 7 years from registration and is renewable; a trade secret has no expiry but vanishes the moment confidentiality breaks.
- Nepal has no standalone trade-secret statute — protection relies on contract law, the PDTA, and practical security measures.
- If your invention can be reverse-engineered from the product itself, a patent is usually the safer route.
- Foreign applicants must file through a Nepal-based agent; Nepal is not in the PCT.
- Our team can help you assess which path fits your invention — reach out for a confidential discussion.
What does a patent actually protect in Nepal?
A patent in Nepal is a government-granted exclusive right to exploit an invention. The Department of Industry (DoI) issues it under the Patent, Design and Trade Mark Act 1965 (PDTA). The invention must be new, involve an inventive step, and be capable of industrial application. In exchange for a 7-year renewable monopoly, you must describe the invention fully enough that a skilled person could reproduce it — and that description becomes public.
What is a trade secret under Nepali law?
Nepal has no dedicated trade-secret act. Trade secrets are protected indirectly — through contract law, non-disclosure agreements (NDAs), employment contracts, and the PDTA’s provisions against unauthorised use of confidential information. A trade secret can be a formula, process, customer list, or manufacturing method that derives economic value from not being generally known. As long as you take reasonable steps to keep it secret, the protection lasts indefinitely — but the moment secrecy breaks, the right evaporates.
How long does each protection last in Nepal?
A patent is valid for 7 years from the date of registration, renewable under Sec. 23B of the PDTA. You must apply for renewal within 35 days of expiry; a late renewal is possible within six months on payment of a penalty. A trade secret, by contrast, has no statutory term. It survives as long as confidentiality holds — the Coca-Cola formula has remained a trade secret for over a century. The trade-off is stark: a patent guarantees you a fixed term but then the invention enters the public domain; a trade secret can outlive you, but offers zero protection once independently discovered or leaked.
Who can file a patent, and who holds a trade secret?
Any person, firm, or company — Nepali or foreign — can apply for a patent at the DoI. Foreign applicants must act through a registered Nepal-based agent with a notarised Power of Attorney. For trade secrets, there is no filing at all. The "owner" is whoever created the confidential information and takes steps to guard it. In employment relationships, ownership is typically defined by the employment contract; without a clear clause, disputes are common. This is a practical area where we routinely see businesses get caught out — a departing employee walks off with a process, and the company has no signed NDA to fall back on.
Patent vs trade secret: which one should you choose?
The answer turns on one practical question: can a competitor figure out your invention from the product itself? If yes — reverse-engineering is easy — you almost certainly need a patent, because a trade secret will be lost the day you sell the product. If the invention is a behind-the-scenes process, formula, or algorithm that stays hidden inside your factory or codebase, a trade secret may serve you better and avoid the 7-year expiry clock. Some businesses use both: patent the core device, and keep the manufacturing know-how as a trade secret.
| Factor | Patent | Trade Secret |
|---|---|---|
| Disclosure | Full public disclosure required | Must never be disclosed |
| Term | 7 years (renewable) | Potentially unlimited |
| Registration | Filed at the DoI | No registration exists |
| Reverse-engineering defence | Strong — exclusivity is statutory | None — independent discovery is lawful |
| Enforcement | DoI quasi-judicial proceedings | Civil suit under contract law |
| Cost structure | Government + professional fees per invention | Ongoing security and legal costs |
How do you register a patent in Nepal?
Patent registration follows a structured path through the Department of Industry. Unlike a trade secret — which requires zero paperwork with the government — a patent application is a formal legal proceeding. Here is the process in order:
- Conduct a prior-art search. Confirm the invention is new. While the DoI does not run a public patent database as accessible as its trademark counterpart, a thorough search of existing publications and registrations is essential before you invest in drafting.
- Prepare the specification. You must describe the invention completely — title, background, detailed description, claims, drawings if applicable, and an abstract. The specification must enable a person skilled in the field to work the invention.
- File the application at the DoI. Submit the application form along with the specification, drawings, and a notarised Power of Attorney if filed through an agent. The DoI’s Foreign Investment and Technology Transfer Section handles patent matters.
- DoI examination. The Department examines the application for novelty, inventive step, and industrial applicability. It may raise objections — you get an opportunity to respond and amend the claims.
- Publication and opposition. If the DoI is satisfied, the patent is published in the Industrial Property Bulletin. Third parties have a window to oppose. If no opposition succeeds, the registration fee is paid.
- Certificate issued. The DoI grants the patent certificate, and the 7-year term begins. Our team can guide you through each stage — learn more about patent filing support.
What documents do you need for a patent application?
A patent filing at the DoI requires a complete set of documents. For domestic applicants, you will need the application form, a full specification with claims and drawings, an abstract, and a notarised Power of Attorney if using an agent. Companies must also include a board resolution authorising the filing. Foreign applicants need all of the above, plus a notarised copy of the home-country patent registration certificate or filing receipt in English, and must act through a local representative. Missing any document stalls the examination — contact our team for a pre-filing checklist tailored to your situation.
How much does patent protection cost in Nepal?
The cost of a patent has two components: the government fees payable to the DoI, and the professional fees for drafting the specification and handling the prosecution. Because patent specifications are technical legal documents, professional costs typically dominate. The DoI charges separate fees at the filing stage and the registration stage. Foreign applicants pay higher government fees. For a current fee estimate based on your invention’s complexity, use our fee calculator or speak with our team directly.
What are the most common mistakes when choosing between patent and trade secret?
In practice, we see a handful of errors repeat across businesses in Nepal. The biggest is assuming an NDA alone creates a property right — it does not; a trade secret is only as strong as the physical and contractual barriers around it. Another is filing a patent too late: if you have already sold the product or published the idea, novelty is destroyed, and the DoI will refuse the application. A third mistake is treating the choice as all-or-nothing. Smart IP strategies often layer both — patent the core mechanical invention, and keep the optimal manufacturing parameters as a trade secret. If you have already disclosed the invention publicly, a patent may no longer be available, and your only remaining option is to protect whatever confidential know-how you still control.
A realistic Nepal example: the herbal formulation
Imagine a Kathmandu-based Ayurvedic company that develops a new herbal extraction method yielding a more stable oil. The extraction machine itself is mechanical — a competitor who buys one could reverse-engineer it. That machine is a strong candidate for a patent. The specific temperature, pressure, and solvent ratios, however, are not visible in the final product and live inside the factory. Those parameters make an excellent trade secret. By patenting the device and locking the process parameters behind NDAs and access controls, the company secures both statutory exclusivity on the hardware and potentially indefinite protection on the know-how. This kind of layered approach is exactly what we help clients structure — explore patent registration services or use our trademark database search to check for conflicting registered marks if branding is also involved.
In short
If your invention can be reverse-engineered from the product you sell, file for a patent at the Department of Industry — it is the only route that gives you an enforceable exclusive right in Nepal. If the value sits in a secret process, formula, or dataset that stays inside your business, a trade secret can outlast any patent term — but only if you actively guard it. The two strategies are not enemies; they often work best together. And remember, Nepal’s first-to-file rule means delay can be fatal to a patent application.
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Deciding between a patent and a trade secret is one of the most consequential IP calls you will make. Our team can talk through your specific invention, help you assess reverse-engineering risk, and handle the filing with the DoI if a patent is the right route. Search existing registered marks first, then get in touch for a confidential consultation — we will help you build a strategy that actually fits your business.
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