Rule 19E of the Patents Rules, 2003
Confidential treatment
Rule 19E requires the Indian authority to keep an international application confidential until it is published under the Treaty.
Official legal text
The verbatim statutory text of this provision is reproduced from the official source and checked by our legal reviewer before it is published here. Until that check is complete for this page, read the exact wording directly from the official source linked below — it is the only version that governs.
Treat this page as a guide. The provision as officially published, along with the Gazette notifications that apply to it, remains the governing text and overrides any simplification here.
What this rule requires, step by step
An unpublished patent application is a secret worth protecting. Between filing and publication the applicant may still be raising money, testing the market, or deciding whether to abandon the invention. If the contents leaked, a competitor could design around the disclosure, publish it to destroy novelty elsewhere, or simply copy it. Rule 19E addresses that risk in the international system. When the Indian Patent Office acts as an International Searching Authority or an International Preliminary Examining Authority, it must treat the international application confidentially in the manner the Treaty requires.
In practice this means the file is closed to outsiders before international publication. Access is limited to the applicant and people the applicant authorises, and to the bodies that need the file to do their work under the Treaty, principally the receiving office, the International Bureau and the authorities carrying out search and examination. A third party cannot walk in, inspect the file or obtain copies, and the office cannot confirm to an outsider what a pending international application contains.
Confidentiality has a natural end point. The International Bureau publishes the international application at eighteen months from the priority date, and from then the disclosure is public. An applicant who genuinely wants secrecy must therefore withdraw the application before the technical preparations for publication are complete, and that decision has to be taken well before the eighteen month date. There is also an important trade-off to understand: publication is what eventually allows the applicant, once granted, to rely on the disclosure, so secrecy and protection pull in opposite directions.
This international confidentiality sits beside two Indian provisions. Section 11A keeps an Indian application off the public record until it is published, ordinarily at eighteen months from the priority or filing date, whichever is earlier. Section 35 goes further and allows the Central Government to issue a secrecy direction where an invention is relevant for defence purposes, which restricts publication and communication of the invention altogether. The three mechanisms have different sources but the same practical message for an applicant: before publication, the Patent Office will keep your invention to itself, and after publication it cannot.
One caution worth repeating to founders. Rule 19E binds the office, not you. Confidentiality at the Patent Office does not protect an invention that the inventor has already described at a demo day, posted on a website or shown to a supplier without a written confidentiality agreement. Most novelty is lost by the applicant, not by the office.
Why this rule matters
Applicants in the international phase, especially startups and research institutions negotiating with investors and partners before publication.
From filing until international publication, normally at eighteen months from the priority date.
A duty on the Indian authority to withhold an unpublished international application from third parties, and a matching expectation of privacy for the applicant.
Applicants assume publication will never come and plan on permanent secrecy, or rely on office confidentiality while destroying novelty through their own disclosures.
How it works in practice
Secrecy that ended on schedule
Anvaya Diagnostics Pvt Ltd in Bhubaneswar filed an international application for a low-cost assay cartridge and spent the following year in fundraising talks. A competitor's agent tried twice to obtain the file from the Indian office and was refused both times, because before international publication the application is not open to third parties. The founders took this to mean the technology was safe indefinitely and told a prospective investor that the details would never become public. Their agent corrected them. At eighteen months from the priority date the International Bureau published the application in full, complete with the search report, and it appeared on public databases within days. The correct response was not to panic but to plan: the founders finished their fundraising round before publication, filed their national phase entries on schedule, and treated the publication date as a known, fixed event in their commercial calendar rather than a nasty surprise.
Simplified illustration only. Actual legal outcomes depend on the facts.
Key points to remember
- The Indian authority must keep an international application confidential before international publication.
- Access is limited to the applicant, those the applicant authorises, and the bodies that need the file under the Treaty.
- Third parties cannot inspect the file or obtain copies before publication.
- Confidentiality ends at international publication, normally eighteen months from the priority date.
- Withdrawal to avoid publication must happen before the technical preparations for publication are complete.
- Section 11A and the secrecy direction power in Section 35 govern the parallel Indian position.
Common mistakes and misunderstandings
- Treating pre-publication confidentiality as permanent. Publication at eighteen months is the norm, not the exception.
- Relying on office confidentiality while disclosing the invention publicly yourself. The office cannot protect what you have already revealed.
- Deciding to withdraw only after the eighteen month date has passed, when publication can no longer be stopped.
Connected provisions
Every rule traces back to a section. The linked sections are shown apart from the rule because the two are separate instruments, and because a rule that goes beyond its parent section can be challenged. Knowing the parent provision is part of reading the rule properly.
Forms, deadlines and fees
- Confidentiality ends on international publication, normally at eighteen months from the priority date; a withdrawal intended to prevent publication must be effective before the technical preparations for publication are complete.
Open the deadline calculator — and have every date confirmed against the current Rules before you rely on it.
This site does not carry a fee table. The First Schedule to the Patents Rules is the source, the rates vary with the applicant's category and with the mode of filing, and a figure quoted second-hand goes out of date quietly. How Indian patent fees work.
Related judgments
Court decisions shape how this provision is applied, but a summary is useful only if it is right. Every case note on this site is read by a legal reviewer before it goes live, and none has been completed for this provision so far. This section will fill in as those reviews finish. How case notes are prepared.
Questions people ask about Rule 19E
Can a competitor see my international application before it is published?
No. Before international publication the authorities handling the application must keep it confidential, so a third party cannot inspect the file or obtain copies. Access is limited to the applicant, anyone the applicant authorises, and the offices and authorities that need the file to carry out their functions under the Treaty. Once the International Bureau publishes the application, normally at eighteen months from the priority date, the entire disclosure becomes public and anyone can read it.
How can I stop my patent application from becoming public?
The only reliable way is to withdraw it before the technical preparations for publication are complete, which means acting well before the eighteen month date rather than on it. Understand the cost of that choice: withdrawing gives up the filing date and the possibility of a patent anywhere through that application. If secrecy matters more than protection, some businesses choose to keep the invention as a trade secret and never file at all. That is a strategic decision, and it should be taken before filing.
Does confidentiality at the Patent Office protect my invention generally?
It protects the file, not the idea. Rule 19E binds the office. It does nothing about a pitch deck circulated at a startup event, a video posted online, a paper submitted for publication, or a prototype shown to a supplier without a written confidentiality agreement. Those disclosures can destroy the novelty of an application anywhere in the world. If you must speak to third parties before filing, use a signed confidentiality agreement and keep records of what was disclosed and when.
Worried about disclosure before your patent publishes?
MYCrave Consultancy advises on confidentiality, filing timing and what you can safely say to investors and partners.
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