Publication of Patent Applications in India: Section 11A

Publication is the moment at which an Indian patent application stops being a private communication between an applicant and the Patent Office and becomes a public document. From that date the invention is part of the prior art against the world, the applicant acquires statutory privileges that stop short of a right to sue and third parties acquire the right to oppose. Most applicants treat publication as a passive event that occurs on its own after eighteen months. That view is incomplete. The Patents Act, 1970 gives the applicant real choices about when publication happens, whether it happens at all and what follows from it and each choice carries consequences for novelty, enforcement strategy and commercial confidentiality.

The governing provision is Section 11A of the Patents Act, 1970, read with Rules 24, 24A and 25 of the Patents Rules, 2003. Section 11A fixes the general rule that an application is not open to the public for a prescribed period, provides for early publication at the applicant’s request, carves out the cases in which publication does not occur, regulates the contents and consequences of publication, and, in sub-section (7), gives the applicant what practitioners call provisional rights. The provision also sits at the junction of several other parts of the Act: the secrecy regime under Sections 35 to 38, the opposition regime under Section 25, the examination regime under Sections 11B and 12 and the anticipation provisions under Sections 13 and 29. A practitioner who reads Section 11A in isolation will misjudge its operation.

This article examines the statutory scheme of Section 11A sub-section by sub-section, the timing rules under Rule 24, the mechanics and strategic cost of early publication under Form 9, the routes by which an application can avoid publication, the consequences of erroneous publication as decided by the Madras High Court, the scope and limits of the provisional rights under Section 11A(7) as discussed by the Delhi High Court and the interaction of publication with pre-grant opposition. It closes with a comparison with the PCT, European and United States positions and with observations for practitioners.

The Statutory Scheme of Section 11A – Sub-Sections (1) to (6)

Section 11A(1) lays down that, save as otherwise provided, no application for a patent shall ordinarily be open to the public for the period prescribed. The period is not found in the Act. It is supplied by Rule 24 of the Patents Rules, 2003, which provides that the period shall be eighteen months from the date of filing of the application or the date of priority, whichever is earlier. The word “ordinarily” matters, because it signals that the eighteen-month silence is a default and not an entitlement the applicant can extend.

Section 11A(2) allows the applicant to request the Controller, in the prescribed manner, to publish the application at any time before the expiry of that period and directs that, subject to sub-section (3), the Controller shall publish it as soon as possible. Section 11A(3) is the operative mandate: every application shall, on the expiry of the period under sub-section (1), be published, except where the application is subject to a secrecy direction under Section 35, has been abandoned under Section 9(1) or has been withdrawn three months prior to the expiry of the period. These three exceptions are exhaustive and each is examined below.

Section 11A(4) deals with applications under secrecy direction, providing that such an application shall be published after the expiry of the prescribed period or when the secrecy direction ceases to operate, whichever is later. Section 11A(5) prescribes what a publication must contain: the date of the application, the application number, the name and address of the applicant identifying the application and an abstract. Rule 25 provides that publications under Section 11A are identified by the letter “A” along with the application number and the Patent Office issues them through the Official Journal on a weekly cycle.

Section 11A(6) has two limbs of practical importance. On publication, the depository institution is to make any biological material mentioned in the specification available to the public and the Patent Office may, on payment of the prescribed fee, make the specification and drawings available to the public. The first limb connects Section 11A to the deposit requirements for biological material under Section 10(4) and means that a biotechnology applicant’s deposit becomes accessible upon publication, not merely upon grant.

Timing of Publication – Rule 24, Priority Dates and Provisional Specifications

The eighteen-month clock runs from the earlier of the filing date and the priority date. For an ap plication claiming Convention or PCT priority, the clock starts on the priority date and not on the Indian filing date. For an application filed first as a provisional specification and followed by a complete specification within twelve months, the priority date is the provisional filing date, so publication falls eighteen months after the provisional filing. The proviso to Rule 24 directs that the Controller shall ordinarily publish within one month from the expiry of the eighteen-month period or within one month from the date of a request for publication under Rule 24A.

The consequence for provisional filers is easily overlooked. A provisional specification that is not followed by a complete specification within twelve months is deemed abandoned under Section 9(1) and, by virtue of Section 11A(3)(b), is not published. An applicant who files a provisional merely to secure a date and then decides not to proceed, therefore retains the invention’s confidentiality, subject to the usual care required to avoid any other form of disclosure. Conversely, an applicant who files a complete specification within twelve months converts the provisional into a published application and the invention becomes public at about the eighteen-month mark from the provisional filing date.

Early Publication Under Section 11A(2) and Rule 24A – Form 9 and Its Strategic Cost

Rule 24A provides that a request for publication under Section 11A(2) shall be made in Form 9. On such a request the Controller ordinarily publishes within one month. The statute does not require the applicant to give reasons and the request can be made at any time after filing a complete specification and before the expiry of the eighteen-month period.

Early publication serves identifiable purposes. It starts the clock on the applicant’s provisional rights under Section 11A(7), which matters where a competitor is already working the invention. It supports licensing and investment discussions, because a published application is a citable public record of what is claimed. It is also a procedural gateway for expedition: Rule 24C(3) provides that, unless the application has already been published under Section 11A(2) or a Form 9 request is already on file, a request for expedited examination must be accompanied by a request for publication under Rule 24A. An applicant seeking an early grant, for example a start-up under the expedited examination route, must therefore publish early as a matter of course.

The cost is the loss of the withdrawal window. An applicant who has not requested early publication can withdraw the application up to three months before the eighteen-month date, which is the fifteenth month from priority and so prevent publication altogether. Once Form 9 is filed, publication follows within a month and that window is gone in practice. Early publication also accelerates the date from which the application is citable as prior art, brings forward the date on which third parties may file a pre-grant opposition under Section 25(1) and removes any opportunity to keep the invention confidential while the applicant sees how the first examination report develops. The decision to file Form 9 is therefore a decision to trade secrecy for speed and for earlier provisional rights and it should be taken deliberately and not by default.

Avoiding Publication – Withdrawal, Abandonment and Secrecy Directions

The first escape from publication is withdrawal. Section 11A(3)(c) excludes from publication an application withdrawn three months prior to the expiry of the prescribed period. Withdrawal is effected under Section 11B(4) by a request in writing and Rule 26 prescribes Form 29 for the purpose. A withdrawal filed within time prevents publication. A withdrawal filed later remains permissible at any time before grant, but it does not reverse a publication that has already occurred and the published document remains in the public domain.

The second escape is abandonment under Section 9(1), considered above in the context of provisional specifications. The third is the secrecy direction under Section 35, which applies to inventions relevant for defence purposes. Where a direction is in force, the application is not published and Section 11A(4) postpones publication until the later of the expiry of the eighteen-month period and the cessation of the direction. The Act supplements Section 35 with provisions for periodic review of directions under Section 36, the consequences of directions under Section 37 and revocation and extension of time under Section 38. Section 39 complements the regime by restraining residents of India from applying for patents outside India without prior permission and Section 40 attaches liability to contravention of Sections 35 and 39. These provisions together define the confidentiality architecture of the Indian system, which is narrower than commonly assumed: outside defence-relevant inventions, an applicant cannot request that a pending application be kept unpublished and confidentiality before publication depends on withdrawal or abandonment within the prescribed time.

When Publication Goes Wrong – The Madras High Court in Dr. Vandana Parvez

The exceptions in Section 11A(3) are mandatory in effect and the consequences of ignoring them were examined by the Madras High Court in Dr. Vandana Parvez v. The Controller of Patents (Madras High Court, 2024). The appellant had appealed against the rejection of an application titled “Method and System for Providing Effective Generation and Delivery of Interactive Online Digital Content”. The Controller had cited, as prior art under Section 13(1)(b), an earlier application of the same appellant. That earlier application had been withdrawn within the permitted time. According to the reported account of the decision, the Forms 9 and 18A for the earlier application were filed only after the permitted period had expired and the Patent Office nonetheless proceeded to publish and examine it.

The Court held that a withdrawn application should not have been published under Sections 11A and 11B read with Rule 24, that the Patent Office could not publish or examine it without reinstating it and that reliance on it as prior art was procedurally improper and contrary to natural justice. It directed the Patent Office to expunge the erroneous publication so that it could not be cited and remanded the matter for examination by a different officer. The Court also relied on the principle, drawn from the Supreme Court’s decision in Inderchand Jain (Dead) through LRs. v. Motilal, that a party should not suffer prejudice through the act of a court or a statutory authority deciding rights.

The decision has been commented upon critically. Under the EPC and United States law, a document made available to the public is prior art irrespective of whether its publication was regular. One plausible textual support for the Indian outcome, noted in academic commentary, lies in Section 29(2)(a) of the Patents Act, 1970, which recognises that a publication made without the patentee’s consent does not anticipate. The Court itself did not rest its decision on Section 29 and the question whether a wrongful publication can ever be expunged as against third parties who have already read it remains unresolved. For practitioners the practical lesson is narrower and firmer: an applicant who has withdrawn in time should check the Official Journal at the eighteen-month mark and, if a publication appears, move immediately for its removal.

Provisional Rights Under Section 11A(7) – Privileges Without a Right to Sue

Section 11A(7) provides that, on and from the date of publication of the application and until the date of grant, the applicant shall have the like privileges and rights as if a patent for the invention had been granted on the date of publication. The first proviso immediately limits this: the applicant shall not be entitled to institute any proceedings for infringement until the patent has been granted. The second and third provisos concern applications made under Section 5(2) before 1 January 2005, the so-called mailbox applications, whose rights accrue only from grant and which attract a reasonable royalty regime against enterprises that had made significant investment and were producing and marketing the product before that date. These provisos record the transitional settlement of the product-patent regime.

The structure is deliberate. The applicant acquires, for the interim period, a legal status equivalent to that of a patentee, but cannot enforce it until the patent is granted. After grant, the privileges operate retrospectively as a basis for monetary relief for acts committed from the date of publication, subject to the law of limitation and to the restrictions on damages in Section 111 of the Act, which allow a court to refuse damages in specified circumstances, including where the specification was amended after publication and was not originally framed in good faith and with reasonable skill and knowledge. Relief in an infringement suit is otherwise governed by Section 108.

The first proviso was applied by Jyoti Singh J. of the Delhi High Court in Ferring B.V. v. Precise Bio Pharma Pvt. Ltd., CS(COMM) 211/2022. The plaintiffs held a patent on a ready-to-use carbetocin composition, derived from a PCT application filed on 20 March 2013 claiming priority from 30 September 2010. The Assistant Controller granted the patent on 27 January 2022 after dismissing a pre-grant opposition by the first defendant. The first defendant successfully challenged the grant in a writ petition and Sanjeev Narula J. set it aside on 3 March 2022 as a non-speaking order and remanded the opposition for a reasoned decision. The plaintiffs nonetheless sued for infringement for the period from the date of publication, 31 October 2014, to 3 March 2022, relying on Astra Zeneca AB v. Natco Pharma Ltd., CS(COMM) 117/2020 and Sotefin SA v. Indraprastha Cancer Society and Research Center, CS(COMM) 327/2021, which had held that goods made during the life of a patent do not become lawful merely because the patent later expires.

The Court found merit in the defendants’ answer. Section 48 confers the patentee’s exclusive rights, which arise only on grant and the first proviso to Section 11A(7) bars any infringement action before grant. Since the grant order had been set aside, the setting aside related back to the date of grant, no patent subsisted on which a suit could be founded and the authorities relied on by the plaintiffs, concerned as they were with patents that had validly existed and later expired or lapsed, were distinguishable. The plaintiffs withdrew the suit on 7 April 2022 with liberty to sue afresh after the Controller’s fresh decision and the Court recorded that its observations were not on merits. The Controller later granted the patent by a reasoned order and a fresh suit followed.

Ferring teaches two things about Section 11A(7). It confirms that provisional rights are a bargain: they run back to publication but only for a patent that actually exists and a grant that is quashed takes the suit with it. It also confirms that the interim period is protected only prospectively through post-grant monetary relief, so the applicant’s practical protection between publication and grant is the deterrent effect of the published claims and nothing more.

Publication and Third-Party Rights – Pre-Grant Opposition Under Section 25(1)

Publication opens the door to third parties. Section 25(1) allows any person, where an application has been published but a patent has not been granted, to represent by way of opposition to the Controller against the grant on the grounds listed in the sub-section. Rule 55 supplies the procedure and Rule 55(1A) provides that, notwithstanding sub-rule (1), no patent shall be granted before the expiry of six months from the date of publication of the application under Section 11A. The Controller considers a representation only when a request for examination has been filed. That request is made under Section 11B and Rule 24B, within the prescribed period of forty-eight months from the priority or filing date and where the application has been published and a request for examination is on file, the application is referred to the examiner within one month of publication.

The six-month standstill in Rule 55(1A) is the guaranteed window within which opponents may act, which is why early publication, by advancing the publication date, also advances the earliest possible date of grant and compresses nothing on the opponent’s side. An applicant who files Form 9 and a request for examination together is therefore exposing the application to opposition at the earliest possible date.

The boundary of the opposition window was fixed by the Delhi High Court in Vertex Pharmaceuticals v. Controller General of Patents. The Court held that a pre-grant opposition is not maintainable once the Controller has signed the grant order, because the Controller becomes functus officio at that point and that the patent is granted when the order is signed and not when it is uploaded to the Patent Office website or the certificate generated. The Court treated uploading as a ministerial act. The decision places a premium on vigilance by opponents, who cannot rely on the delay between signing and public availability and it confirms that the interval between publication and signature of the grant order is the only period in which Section 25(1) operates.

The role of the pre-grant opponent after the representation is filed was considered by a Division Bench of the Delhi High Court in Novartis AG v. Natco Pharma Ltd., where the Court addressed how far a pre-grant opponent may participate when the Controller requires the applicant to amend the application. The Division Bench allowed the appeal and observed that rejection of an opposition does not inevitably result in the grant of the application. The decision is a reminder that publication starts a quasi-adversarial process in which the Controller retains an independent duty to examine and in which the opponent’s participation, though real, is defined by the statute and the Rules.

The Comparative Position – PCT, EPC and United States Practice

The eighteen-month rule in India follows the international norm. Article 21(2)(a) of the Patent Cooperation Treaty provides for international publication promptly after the expiry of eighteen months from the priority date and Article 93 of the European Patent Convention provides for publication of a European application eighteen months after the date of filing or the priority date. In the United States, 35 U.S.C. section 122(b) provides for publication promptly after eighteen months from the earliest filing date, but section 122(b)(2)(B) allows an applicant who certifies that the invention has not been and will not be the subject of a foreign filing to request non-publication. India has no equivalent. Its only opt-out for confidentiality is the withdrawal or abandonment route and the secrecy direction under Section 35.

Provisional protection also differs. India gives the applicant the privileges of a patentee from publication under Section 11A(7), without a right to sue until grant. In the United States, 35 U.S.C. section 154(d) gives a right to a reasonable royalty from publication, conditioned on actual notice and substantial identity between the published and issued claims. Under the EPC, the extent of provisional protection is left to each contracting state by Article 67. The Indian formulation is wider in its language and narrower in procedure. TRIPS does not prescribe the timing of publication and leaves it to Members, so the Indian rules are a matter of domestic design and not of treaty obligation.

Practical Implications for Applicants and Practitioners

Four consequences follow for those handling Indian filings. An applicant who wants to preserve confidentiality must decide by the fifteenth month from priority and must file Form 29 within time, because the Patent Office is not obliged to hold back publication after that date and an error in publication will have to be corrected by litigation, as the Madras High Court case shows. An applicant who files Form 9 should do so knowing that the withdrawal window closes in practice and that the opposition window opens early. An applicant who needs enforcement leverage should recognise that the Section 11A(7) rights are retrospective and conditional and should therefore prosecute with the aim of securing a reasoned and defensible grant, because a quashed grant, as in Ferring, wipes out the interim claim. And an applicant who has withdrawn in time should monitor the Official Journal for erroneous publication and act on the first sign of it.

For third parties, publication is the signal to begin freedom-to-operate analysis and, where warranted, to prepare a representation under Section 25(1) before the Controller signs the grant order. The published claims define the exposure that Section 11A(7) will crystallise if a patent issues and the six-month standstill in Rule 55(1A) sets the minimum time available.

Conclusion

Section 11A is a short provision that distributes risk and opportunity across the life of an application. For the applicant it sets a default of silence for eighteen months, a right to end the silence early at the price of withdrawal and of earlier exposure to prior-art citation and opposition, a narrow set of exits from publication and a set of provisional rights that are real in principle and conditional in practice. For the public it ensures that the content of a pending application becomes available before the monopoly attaches and that opposition can be mounted while the application is still within the Controller’s hands.

The decisions of the Madras and Delhi High Courts show the provision operating at its edges. In Dr. Vandana Parvez the Court enforced the exceptions in Section 11A(3) against the Patent Office itself and in Ferring the Court enforced the first proviso to Section 11A(7) against an applicant who sought to treat provisional rights as a cause of action. Vertex and Novartis v. Natco show the opposition system that publication unlocks being kept within its statutory limits. The open questions are the status of an erroneous publication as against third parties who have already read it and the extent to which a Patent Office that now relies increasingly on digital systems will be held to the exactness that Section 11A and Rule 24 demand. Those questions will be decided by the High Courts one writ petition at a time and the safe course for applicants is to treat the eighteen-month mark as a date to be managed and not merely awaited.

References

The Patents Act, 1970 – https://ipindia.gov.in/pages/patents/chapter
The Patents Rules, 2003, Intellectual Property India – https://ipindia.gov.in/frontend/pdf/patents/rules/Indian_Patent_Rules_2003__1_.pdf
Rule 24, Patents Rules, 2003 (Publication of application), Intellectual Property India – http://ipindia.nic.in/writereaddata/Portal/ev/rules/pr24.html
Section 13, Patents Act, 1970 (Search for anticipation by previous publication and by prior claim), Intellectual Property India – https://indiankanoon.org/doc/1985492/
Section 29, Patents Act, 1970 (Anticipation by previous publication), Intellectual Property India – https://indiankanoon.org/doc/1688780/
The Patents Rules, 2003 (as amended up to 2012), WIPO Lex – https://www.wipo.int/edocs/lexdocs/laws/en/in/in067en
Dr. Vandana Parvez v. The Controller of Patents, Madras High Court (2024) – https://indiankanoon.org/doc/193545684/
Delhi High Court, Judgments Portal – https://delhihighcourt.nic.in
Patent Cooperation Treaty (PCT), Texts, WIPO – https://www.wipo.int/en/web/pct-system/texts/index
European Patent Convention, Article 93 (Publication of European patent applications), European Patent Office – https://www.epo.org/en/legal/epc/2020/a93.html
35 U.S.C. section 122 (Confidential status of applications; publication of patent applications), Legal Information Institute – https://www.law.cornell.edu/uscode/text/35/122
Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) – https://www.wto.org/english/tratop_e/trips_e/trips_e.htm

Publication of Patent Applications in India: Section 11A, Early Publication and Confidentiality

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Publication of Patent Applications in India: Section 11A, Early Publication and Confidentiality

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