Skip to content
Subscribe
← Back
patent

Aventose Energy v. Patent Controller: Madras HC Sets Aside Rejection

8 min readUpdated October 18, 2026 Analysis
Aventose Energy v. Patent Controller: Madras HC Sets Aside Rejection - Madras HC

Reading Tools

In AVENTOSE ENERGY PVT LTD Vs THE ASISTANT CONTROLLER OF PATENTS AND DESIGNS [CMA(PT).62/2024], the Madras High Court set aside the refusal order dated 20.10.2023 passed by the Patent Office, mandating the grant of the patent for the appellant’s innovative electric drivetrain system. The Court found that the Controller’s rejection, predicated on an alleged lack of novelty and inventive step under Section 2(1)(ja) of the Patents Act, 1970, was fundamentally flawed due to a failure to engage in a meaningful, comparative analysis of the claimed invention against the cited prior art, effectively reducing the adjudication process to an arbitrary exercise of administrative power.

Disputed Subject MatterPatent Application No. 202141019671: System and method for operating automobiles with an electric drivetrain.
Petitioner’s ArgumentThe invention utilizes a safe mode operation triggered by vehicle fault detection; claims novelty and inventive step were incorrectly denied without granular analysis of cited prior art.
Respondent’s PositionAsserted that the invention lacks inventive step and novelty, relying on cited documents D1 to D4 as indicative of common general knowledge.
Governing Law & AuthoritiesSections 2(1)(j), 2(1)(ja), and 117A of the Patents Act, 1970.
Decisive Holding & ReliefImpugned order set aside; Respondent directed to grant and approve the patent.

Procedural Jurisprudence and the Mandatory Duty of Reasoned Adjudication

Struggling to understand Patent Law? Read our complete Patent Law Guide.

The controversy in Aventose Energy underscores the friction between administrative efficiency and the quasi-judicial mandate of the Patent Controller. In the context of the Indian Patents Act, the Controller serves as a gatekeeper of innovation. When the Patent Office conducts an examination, it is not merely a bureaucratic task but a rigorous inquiry that must satisfy the principles of natural justice. The appellant, through counsel, rightly contended that the transition from a First Examination Report (FER) that initially acknowledged the novelty of the invention to a final order of rejection, lacking any substantive change in the underlying technical disclosures, constituted a procedural impropriety. This “u-turn” in the Controller’s reasoning, absent a documented shift in evidence, highlights a failure to provide the applicant a fair opportunity to contest the findings of lack of inventive step.

From a partner-level perspective, the ruling serves as an indictment of the “template-driven” rejection culture. The Controller’s reliance on a bundle of documents (D1 through D4) without a granular, document-specific mapping of the claims is a clear departure from the evidentiary standards required under the Act. To reject an application, the Authority must demonstrate that the “person skilled in the art” would, at the date of priority, have found the invention obvious. By failing to specify which technical features were redundant in light of which specific prior art, the Controller essentially abandoned the statutory requirement of showing that the invention does not represent a technical advancement.

Doctrinal Dissection: The Inventive Step and the Fallacy of General Knowledge

The High Court’s judgment highlights the critical importance of defining the “person skilled in the art” and the boundaries of “common general knowledge.” The Controller’s attempt to characterize the appellant’s invention as an aggregation of technical features already known in the industry lacked the evidentiary support required to sustain such a finding. In the domain of electric vehicle (EV) technology, which is rapidly evolving, the threshold for what constitutes common knowledge must be strictly calibrated. Relying on vague assertions of common knowledge, without citing evidence of the state of the art, is a common deficiency in Patent Office orders that practitioners must aggressively litigate.

The Court correctly identified that the Assistant Controller misconstrued the functionality of the cited prior art. By conflating a passive monitoring system with the appellant’s active “user controller module,” the Respondent failed the fundamental comparison test. This reminds us of the principle in S. Syed Mohideen vs. P. Sulochana Bai, where the sanctity of a proprietary interest must be defended against arbitrary administrative interference. While that case pertained to trademarks, the underlying philosophy of protecting genuine investment in intellectual capital is analogous here.

The respondent had confused the principles of novelty and inventive step without appreciating the inventive steps in coming to a conclusion that there are no inventive steps in the claim made by the appellant. He would further submit that in rejecting the application by applying Section 2(1)(ja) of the Patents Act, the respondent had held that the claimed invention was not inventive in view of the prior cited documents D1 to D4, without analysing the claim made by the appellant vis-a-vis the said cited documents.

Hon’ble Mr. Justice K. Kumaresh Babu, Madras High Court

Forensic Evidentiary Standards and Technical Mapping

The evidentiary standard for rejecting a patent application requires that the examiner map each claim limitation against the specific disclosures in the prior art. In Aventose Energy, the Controller’s failure to reference D1 despite listing it as a basis for rejection is a textbook example of non-application of mind. In modern patent practice, specifically regarding e-commerce and technological patents, the evidentiary burden rests on the Office to ensure that the “technical character” of the invention is evaluated with precision. The failure to distinguish between a system that merely monitors status (as in D2) and one that implements a corrective user-controlled intervention is not a trivial error; it is a failure of the adjudication process.

The Court’s forensic analysis of D2 reveals a critical gap in the Controller’s logic. The Controller assumed a degree of technical equivalence that simply did not exist. For in-house counsel and patent attorneys, this case is an essential reference point for the drafting of responses to FERs. One must ensure that the technical distinctions are not merely argued in the abstract but are mathematically or structurally demarcated against the closest prior art identified by the Controller.

Section 2(1)(ja) / Inventive Step

An inventive step involves a feature of an invention that involves a technical advance as compared to the existing knowledge or having economic significance or both and that makes the invention not obvious to a person skilled in the art. This requires a specific analysis of the improvement over prior art.

Strategic Implementation for Corporate Counsel

For corporate entities operating in the automotive and energy sectors, the Aventose Energy judgment mandates a shift in how patent refusals are challenged. The strategy moving forward must involve:

  1. Surgical Deconstruction: Immediately audit any refusal that cites a group of documents rather than a specific primary document.
  2. Challenge the “General Knowledge” Defense: Force the Controller to provide empirical or published documentation for any claim of “common general knowledge” invoked to negate the inventive step.
  3. Enforce the “Technical Advance” Narrative: Ensure that the patent specification explicitly details the technical problem-solution cycle. If the patent does not explicitly articulate the “technical advance” compared to existing systems like D2, the examiner is emboldened to use a broad brush in their rejection.

The prior art document under D2, which had been placed on record before this Court on a thorough perusal would also indicate that D2 discloses only determination of a vehicle system status as to whether the same is within the safe operating range as per the pre-determined system, whereas the claim made by the appellant, the presence of user controller module to extend the operating range of the electric vehicle preventing the rider from being stranded. This had been conceptually avoided to be noticed by the respondent.

Hon’ble Mr. Justice K. Kumaresh Babu, Madras High Court

Refining the Standard of Review in Section 117A Appeals

The appeal under Section 117A of the Patents Act provides the Appellate Court with the jurisdiction to correct not just legal errors but also manifest errors in technical reasoning. The Madras High Court’s approach here signals that the judiciary is willing to step into the shoes of the technical examiner to determine if the “inventive step” has been properly appraised. This is a significant shift. No longer can the Controller rely on the insulation provided by their “expert” status to justify a lack of reasoning. The Court has clarified that an order which fails to engage with the specific technical features of the claim, especially when those features solve a real-world problem like range anxiety in EVs, is an order that cannot stand.

Furthermore, the decision underscores the necessity for examiners to maintain a “chain of logic.” If an examiner cites documents D1 through D4, they must explain the interaction between these documents. Are they cited for a modular assembly? Are they cited to prove the obviousness of a specific component? Without this level of detail, the patent office risks its orders being overturned for arbitrariness. The Court’s insistence on such specificity provides a protective shield for applicants against the systemic inertia of an overloaded patent office.

Also Read: Section 3(j) of the Patents Act: Plant Exclusions, Monsanto v. Nuziveedu, and the PPV and FR Alternative

Conclusion and Future Outlook for Intellectual Property Practitioners

The Aventose Energy decision is a seminal reminder that intellectual property is a property right protected by law, and the administration of that right must be conducted with the gravity of a judicial proceeding. For the legal community, this judgment should be cited in every instance where an applicant faces a generic, non-reasoned, or poorly analyzed rejection under Section 2(1)(ja). It reinforces the necessity of the “triple test” of patentability, novelty, inventive step, and industrial application, not as a box-ticking exercise, but as a rigorous technical examination that must be documented with absolute transparency. As the Indian market becomes increasingly competitive in the automotive technology space, the standards for patenting such technologies will only grow more stringent, requiring practitioners to adopt a more aggressive, evidence-based approach to both filing and defending patent applications against bureaucratic scrutiny.

Case Details: AVENTOSE ENERGY PVT LTD Vs THE ASISTANT CONTROLLER OF PATENTS AND DESIGNS | Case Number: CMA(PT).62/2024 | Court: Madras High Court | Date: 2026-10-16

Presiding Bench: Hon’ble Mr. Justice K. Kumaresh Babu

Read the Official Judgment/Order Here

Written by

Adv. Koushik Chittella

IP Law Practitioner

Indian IP Law Trademark Patent Copyright

An Advocate enrolled on the rolls of the Bar Council of the State of Andhra Pradesh. What started as curiosity about how the law protects ideas, brands, inventions, and creative works gradually developed into a genuine passion for studying and explaining IP law, inspiring me to pursue a Masters degree (LL.M.) in Intellectual Property Rights (IPR).