Indonesia’s Patent Framework Recalibrated 2026

Key Takeaways

Formalisation = Less Uncertainty -> What was once informal examiner practice is now codified. Indonesia is moving toward a clearer, more predictable patent system, reducing guesswork and inconsistency.
Stricter Filing Discipline, Better Outcomes -> Higher standards at filing (page limits, clarity, disclosures) mean front-loaded effort but smoother, faster prosecution with fewer objections later.
More Control, More Strategy -> New tools (early examination, acceleration, restoration) give applicants greater control over timing and portfolio strategy—shifting from passive filing to active patent management.

Lock in Your Patent in Indonesia — Act Early, or Lose the Edge

Before diving into the table of changes, it helps to look at this in a few key perspectives.

Less about introducing new rules, more about formalising established practice

For those who have been handling patent filings in Indonesia in recent years, many of the requirements will not come as a surprise. Details relating to Patent Cooperation Treaty filings, translation requirements, and drafting expectations have already been applied in practice by the Directorate General of Intellectual Property. What this regulation does is formalise those practices. This shift is more significant than it may appear. By placing these requirements on a clear regulatory footing, it reduces uncertainty and limits reliance on informal or examiner driven expectations.

A more disciplined approach at the filing stage

There is a noticeable tightening of formality requirements at the point of filing. Page limits for descriptions, clearer standards for invention titles, and mandatory disclosures relating to genetic resources or traditional knowledge are now expressly set out. These are not merely procedural refinements. They reflect a deliberate move toward higher quality and greater consistency in patent filings. In practice, this approach tends to produce downstream efficiencies. When applications are more structured and precise at the outset, the examination process becomes more predictable, with fewer objections and less need for iterative clarification.

Greater flexibility in managing timelines and strategy

At the same time, the regulation introduces mechanisms that provide applicants with more control over prosecution strategy. The availability of early substantive examination, accelerated publication, restoration of priority rights, and the reinstatement of withdrawn applications introduces a level of procedural flexibility that was previously absent in formal terms. This marks a shift in how applicants can approach Indonesia. Rather than adopting a passive filing strategy, there is now scope to actively manage timing in line with commercial priorities and portfolio considerations.

A broader articulation of what constitutes an invention

The revised definition of invention now explicitly encompasses systems, methods, and uses, in addition to products and processes. While this may appear to be a modest change in wording, it has practical implications. It provides a clearer basis for pursuing claims in areas such as software related innovations and applied technologies, subject to how examination practice develops in parallel.

Clearer boundaries in key procedural areas

The regulation also brings clarity to areas that were previously not expressly addressed. For example, it confirms that Patent Cooperation Treaty applications cannot be converted into simple patents. Similarly, it introduces more structured rules governing priority rights, including late filings and consistency of application categories. These clarifications are particularly valuable in cross border portfolio management, where predictability is essential.

With this broader perspective in mind, the table below provides a side-by-side comparison of the previous and current regulations, highlighting the key procedural and substantive changes:

No	Feature	Old Regulation (Regulation of the Minister of Law No. 13 of 2021 jo. Regulation of the Minister of Law No. 38 of 2018)	New Regulation (Regulation of the Minister of Law No. 6 of 2026)	Notes
1	Definition of invention	Inventions limited to products or processes, including improvements thereof.	Invention includes products, processes, systems, methods, and uses a substantially expanded scope.
2	Formality Requirements	While these requirements were in effect, they were not codified in the previous regulation.	PCT Number and International Filing Date must be stated in the PCT application.	While currently in effect, these requirements were not codified in the previous regulation.
		While these requirements were in effect, they were not codified in the previous regulation.	A statement from the Applicant regarding the origin of Genetic Resources and/or Traditional Knowledge in the case of an Invention related to Genetic Resources and/or Traditional Knowledge.
		While these requirements were in effect, they were not codified in the previous regulation.	The invention title must be concise, unambiguous, and accurately reflect the technical features of the invention.
		While these requirements were in effect, they were not codified in the previous regulation.	The maximum description is 30 pages; if it exceeds, then an official fee will be incurred according to the regulation.	While currently in effect, these requirements were not codified in the previous regulation.
		While these requirements were in effect, they were not codified in the previous regulation.	Applicants representing micro and small enterprises (MSEs), educational institutions, or government R&D agencies must provide a formal certification issued by the relevant competent authority.
3	Filing a patent application	Not governed.	Sequence listing follows WIPO ST.26 standards (required for biotech/genetic inventions).	While these requirements were in effect, they were not codified in the previous regulation.
3	Filing a patent application	Not governed.	If the original language is not English, the applicant must include both English and Indonesian translations.	While these requirements were in effect, they were not codified in the previous regulation.
4	PCT Patent Application	Not governed.	It is confirmed that a PCT patent application is ineligible for conversion into a Simple Patent under the current regulations.	While currently in effect, these requirements were not codified in the previous regulation.
5	Priority Right and the Restoration of Priority Right	Not governed.	Should an Application fail to be submitted within the 12-month period, it may still be filed within a maximum of 4 (four) months following the expiration of the Priority Rights period. An additional cost will be incurred.
		Not governed.	Applications filed with Priority Rights must correspond to the same category of application as the initial filing in the country of origin.
		Not governed.	Applications filed with Priority Rights, are ineligible for a change in application type.
6	Restoration of the withdrawn application	Not governed.	Applicants or their attorneys may resubmit a withdrawn application within six months, as of the notification of withdrawal.
7	Acceleration process of Simple Patent Application	Formality examination 14 days.	Formality examination 5 days	Re-confirmation.
7	Acceleration process of Simple Patent Application	The decision of grant is made within 12 months	The decision of grant is made within 6 months
8	Acceleration of Publication	Not governed.	Within 3 months upon request and incur additional cost.
9	Early Substantive Examination	Not governed.	Applicants may request an early substantive examination, subject to the applicable official costs.
			The request is made before the application has been published.
			For a PCT patent application, it must be accompanied by the search or examination results from a foreign patent office
			A decision regarding the early examination will be issued within 12 months after the publication period ends.
10	Substantive Re-Examination	Not governed.	Applied for: a. Rejection of the Application; b. Correction of the Description, Claims, and/or Drawings after the Application has been granted a Patent; c. Decision on Patent Grant; d. Withdrawal; and/or e. Deemed withdrawn.
10	Substantive Re-Examination	Not governed.	Applied for an application and granted a Patent and a Simple Patent.

Practical Takeaways

In practical terms, the direction is clear. Indonesia is moving toward a more structured and predictable patent system, while placing greater responsibility on applicants at the outset.

Precision at filing will be increasingly important. The quality of documentation, the clarity of drafting, and the accuracy of classification decisions will have a more direct impact on the efficiency of prosecution.

At the same time, applicants benefit from a wider set of procedural tools. The ability to accelerate, restore, or revisit applications introduces a more strategic dimension to patent prosecution in Indonesia.

For those familiar with the jurisdiction, this development should be viewed positively. It aligns Indonesia more closely with mature patent systems, where clarity, structure, and procedural flexibility coexist.

As with any regulatory change, the true measure will lie in consistent implementation. Nonetheless, the current framework represents a meaningful step forward in strengthening both the efficiency and reliability of the Indonesian patent system.

If you are assessing how these changes affect your filing or prosecution strategy in Indonesia, it would be timely to review your approach in light of the new requirements. Please feel free to reach out to our team at KASS International. With extensive experience in Indonesian patent practice, we would be pleased to support you in navigating the evolving framework and ensuring your brand is effectively protected.