PDTA stands for the Patent, Design and Trade Mark Act, 2022 (1965), Nepal's single industrial property statute. Its Nepali title is पेटेण्ट डिजायन र ट्रेडमार्क ऐन, २०२२, and it was authenticated on 30 August 1965. It has been amended twice since.
Key takeaways
- PDTA is short for the Patent, Design and Trade Mark Act, 2022, where 2022 is the Bikram Sambat year for 1965.
- It was not Nepal's first IP law: Sec. 28 repeals a Patent, Design and Trademark law of 1936.
- Sec. 26 treats rights registered under that law as registered under the 1965 Act, so the register carries forward.
- Nepal was never under British administration, so the PDTA succeeds no colonial statute.
- The first amendment, 18 October 1987, inserted most of the modern trade mark system.
- The second, 24 November 2006, added examination wording and the Act's only treaty reference.
- Nepal is outside the Patent Cooperation Treaty, the Madrid System and Hague, as most of South Asia is.
What does PDTA stand for?
It is shorthand for the Patent, Design and Trade Mark Act, and the title is also the scope. One statute covers all three registered industrial property rights, administered by the Department of Industry.
The year confuses people more than the letters. The Act is dated 2022 in Bikram Sambat and 1965 in the Gregorian calendar, so "the 2022 Act" and "the 1965 Act" are one document.
Copyright is not in it. That sits under the Copyright Act 2059 (2002) with its own registrar's office, so "Nepal's IP law" is two statutes rather than one.
Was the PDTA Nepal's first IP law?
No, and this is the fact most histories of Nepali IP get wrong. The Act's final section, Sec. 28, repeals a Patent, Design and Trademark law of 1936, so Nepal had a registration statute roughly three decades earlier.
The transition was handled rather than ignored. Sec. 26 deems rights registered under the earlier law registered under the 1965 Act, so older entries carried forward instead of being cancelled.
How did the rest of South Asia get its IP law?
Largely by inheritance. In the territories administered from British India, early patent, design and trade mark administration descended from British-era registration statutes, and after independence each state rewrote what it had received.
That shared ancestry is why several neighbouring systems still recognise each other's structures: separate statutes for separate rights, passing-off alongside the register, and case law that travels across borders.
Why did Nepal take a different route?
Because it was never administered from British India, so there was no inherited statute book to replace. Nepal legislated for itself, with one Act rather than three.
The consequence is structural rather than philosophical. Where a neighbour may have a trade marks Act, a patents Act and a designs Act, Nepal has one statute, one department and one set of schedules.
Nepali IP also has far thinner reported case law, so a Nepali question is answered from the Nepali statute rather than by analogy. Our overview of the longer history of intellectual property law sets the wider scene.
What does the amendment record actually show?
A statute that has moved rarely and in large steps. The table below is the whole legislative history, from the consolidation's own markers.
| Date | Instrument | What it did |
|---|---|---|
| 1936 | An earlier Patent, Design and Trademark law. | Repealed by Sec. 28 of the present Act. |
| 30 August 1965 | Patent, Design and Trade Mark Act, 2022. | Authenticated: one Act, three rights. |
| 18 October 1987 | The First Amendment. | Inserted classification, publication, term, renewal. |
| 1991 | Justice Administration Act 2048. | Changed the appeal forum in Sec. 27. |
| 24 November 2006 | An omnibus amending Act. | Added examination wording; deleted Sec. 23 and 23A. |
The 2006 instrument is worth naming properly, because it is not an IP Act in its own right: it is an omnibus statute amending several Nepal Acts on export, import and intellectual property at once.
What did the 1987 amendment add?
Almost the entire trade mark system a business deals with today. The First Amendment inserted classification, the rule on presenting a mark as registered, use, the seven-year term, and publication with a window to complain.
It also inserted the renewal procedure in Sec. 23B and the design term, and repealed the old Sec. 21, which is why that number prints as a blank.
Before 1987 a registered Nepali mark had no statutory term, no NICE classification, no publication step and no renewal procedure. Almost everything a modern filing turns on is thirty-eight years old, not sixty.
What did the 2006 amendment change?
Less, but in pointed places. It inserted the examination and right-to-be-heard wording into Sec. 18 and Sec. 17, so the Department inquires and hears the applicant before deciding.
It added the Act's only treaty reference, a Paris Convention sentence in Sec. 21C, five years after Nepal's accession took effect. It also changed the fine in Sec. 19 and deleted Sec. 23 and Sec. 23A.
Those deletions are the practical trap. Pre-2006 copies still circulate online carrying rules that no longer exist, so check which consolidation you are reading before quoting a section number.
Why does one Act still cover three rights?
Because nothing has replaced it. The single-statute design suited a small register in 1965, and it has outlasted the arguments for splitting it.
It has a practical upside. The same schedules, department, appeal route and renewal machinery apply whether you file a brand, an invention or a product shape.
Only the arithmetic differs. A trade mark's renewal term is a further seven years, repeatable without limit, while a patent and a design are each renewable not more than twice.
The downside is compression. Each right gets a handful of sections, so the Act says far less about patents than a dedicated statute would, and much is left to practice.
When did Nepal join the international system?
Late, and by accession rather than signature. Nepal's accession to the convention establishing WIPO took effect in February 1997, its Paris Convention accession in Stockholm Act form in June 2001, and its Berne accession in January 2006.
A fourth entry is often miscounted. Nepal signed the Marrakesh treaty in 2013 and never ratified it, so it is signed rather than in force.
As a World Trade Organization member Nepal is also bound by TRIPS, where most of the pressure for reform has come from. Our piece on WIPO's role and Nepal's membership goes further into that.
Which filing systems is South Asia mostly outside?
The centralised ones. On the treaty party tables, Nepal is absent from the Patent Cooperation Treaty, the Madrid System and the Hague system.
It is not alone. On the same tables Bangladesh, Bhutan, Pakistan, Afghanistan and the Maldives are also outside the Patent Cooperation Treaty, while India and Sri Lanka are inside.
So a "South Asia filing" does not exist, and treating the region as one territory is the most expensive assumption a foreign brand owner can make. The history of the Madrid System itself explains what Nepal is outside of.
What does that history mean for a regional brand owner?
It means Nepal is a separate exercise, planned and filed separately. The steps below are the ones this history makes unavoidable.
- Assume nothing carries over. A neighbouring registration is evidence in Nepal, never a right here.
- Check the Nepali register before you commit, using our published trade mark search over the Department's bulletins.
- Check who else has been filing near you, with our owner and applicant search.
- Pick the Nepali category with the NICE class finder, remembering one application covers one category.
- Appoint a representative here, with a notarised power of attorney, since a foreign owner cannot deal with the register directly.
- File early rather than at launch, since first-to-file causes most of the region's squatting.
- Diarise the renewal on the day the registration certificate arrives, using our renewal date calculator.
How does a filing work under the PDTA today?
The route is short because the Act is short. You file under Sec. 17, the Department examines it under Sec. 18 and gives you a hearing, and an accepted mark is published. Title comes from registration under Sec. 16, and Sec. 18A requires a separate application per category.
Plan for a long wait. An unopposed trade mark commonly takes 12–14 months from filing to certificate, and 6–8 months in the smoothest cases, with no service standard published.
Publication opens the opposition period. The Act sets that window at 35 days, while trade mark practice is widely described as 90 days, and where text and practice diverge an advocate should decide which applies to your file.
Trade marks fill the Industrial Property Bulletin; patents do not. Sec. 7A publishes a registered patent in the Nepal Gazette, and the word bulletin never appears in the Act.
What would this mean for one regional company?
Take Sagarmatha Spice, a hypothetical exporter already registered in a neighbouring country. This is an illustration, not a real case, and every fact in it sits on a fault line.
Its home registration does nothing here, because Sec. 21B says a right registered abroad is not valid in Nepal unless registered here too.
What it does buy is speed at the counter, since Sec. 21C allows the Department to register a foreign-registered mark without enquiries when that certificate is enclosed.
And because it sells packaged spice and licenses a restaurant concept, one Nepali filing will not cover it: two categories, two applications, two renewal dates.
Is a new consolidating law coming?
Possibly, and we will not describe what it would contain. A consolidating industrial property bill has been reported for years, an earlier draft is said to have lapsed, and a bill that has lapsed once can change in any direction before it passes.
Treat every claim about its provisions, scope or timing as needing a primary-source check. A blog post, a conference slide and a consultant's summary are usually downstream of one unverified story.
Until a new Act is authenticated, the 1965 Act as amended is the whole industrial property statute book, and planning around a future one is planning around nothing.
Common mistakes
- Describing the PDTA as Nepal's first IP law; Sec. 28 repeals an earlier law of 1936.
- Calling it a colonial inheritance. Nepal was never administered from British India.
- Treating South Asia as one filing territory, when the region's treaty membership is split.
- Quoting Sec. 21, Sec. 23 or Sec. 23A: repealed in 1987, and deleted in 2006.
- Assuming the whole Act dates from 1965, when most of it was inserted in 1987.
- Looking for a Nepali patent in the Industrial Property Bulletin rather than the Nepal Gazette.
- Relying on a neighbouring registration instead of filing in Nepal, which Sec. 21B rules out.
- Treating an Office of the Company Registrar entry as a brand right. It records a company, not a mark.
Where can you read the statute yourself?
The consolidated Act is published by the Nepal Law Commission, and reading it end to end takes less time than reading most summaries. Its amendment markers are what attribute a provision to 1987 or 2006.
The office that applies it is the Department of Industry, whose document library lists the Acts and policies it works under, and whose counter is the only current source for forms and practice.
This page is general information, not legal advice. Our frequently asked questions cover routine cases; anything contested belongs with an advocate.
In short
PDTA is the Patent, Design and Trade Mark Act, 2022 of 1965, Nepal's one industrial property statute, and it replaced a law of 1936 rather than starting from scratch.
Its modern shape is younger than its date suggests, most of it arriving in 1987 and the rest in 2006. Nepal shares the region's standards and none of its filing shortcuts, so a Nepali right starts with a Nepali filing.
People also search for
- The history of trademarks, from potters' marks to modern brands
- The history of the NICE Classification and its 45 classes
- The rise of brand squatting in South Asia
- The first patent in history
- A history of copyright, from the printing press to streaming
- The oldest registered trademarks in history
If you hold a registration elsewhere in the region, tell us what you have and we will map it against the Nepali register — start on the IP Sewa contact page, or read about our trade mark registration and clearance search services.














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