High Court Sets Aside Patent Opposition Dismissal for Lack of Reasoning and Non-Application of Mind. The court quashed the Deputy Controller's order as it failed to provide reasons and assess prior art under Section 25(2)(c) of the Patents Act, 1970, violating principles of natural justice.

High Court: Bombay High Court Bench: BOMBAY
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Case Note & Summary

The dispute arose from a post-grant opposition filed by the petitioner under Section 25(2)(c) of the Patents Act, 1970, challenging Patent No. IN 283059 granted to respondent no. 2. The petitioner, an inventor of prior art D1 (Patent No. IN568478), argued that D1 had an earlier priority date and identical claims to the impugned patent, making it valid prior art. The Deputy Controller of Patents dismissed the opposition via an order dated July 7, 2023, stating D1 was not an 'appropriate disclosure' without providing reasons or assessing the invention vis-à-vis the prior art. The petitioner filed a commercial miscellaneous petition impugning this order, alleging it was unreasoned and reflected non-application of mind. The core legal issues were whether the impugned order was sustainable given the lack of reasoning and whether the appellate court should remand the matter or decide it on merits. The petitioner's counsel emphasized that reasons are fundamental to judicial determinations, citing precedents like M/s. Woolcombers of India Ltd. v. Woolcombers Workers Union and Anr., and argued the order failed to meet legal and technical requirements under Section 25(2)(c). Respondent no. 1's counsel defended the order, contending it was passed after due consideration and that D1, as a provisional specification without claims, could not qualify as prior art under the Act; they also cited Zarif Ahmad v. Mohd. Farooq to argue the court could decide the issue without remand. The court analyzed the submissions, noting the impugned order's deficiency in reasoning and failure to properly evaluate D1's priority date and claims. It held that the order was unsustainable as it lacked cogent reasons and did not apply mind to the technical aspects, violating principles of natural justice. Consequently, the court set aside the impugned order, directing a fresh consideration, but did not remand, instead allowing the petition based on the evident flaws.

Headnote

A) Intellectual Property Law - Patents - Post-Grant Opposition - Section 25(2)(c) Patents Act, 1970 - Petitioner filed post-grant opposition based on prior art D1, which had an earlier priority date and identical claims to the impugned patent - The Deputy Controller dismissed the opposition, stating D1 was not an 'appropriate disclosure' without providing reasons - Court found the order lacked reasoning and failed to assess technical requirements, making it unsustainable (Paras 1-12).

B) Administrative Law - Judicial Review - Reasoned Orders - Patents Act, 1970 - Petitioner argued that the impugned order was unreasoned and non-speaking, violating principles of natural justice - Court held that reasons are essential for judicial and quasi-judicial determinations to ensure transparency and enable appellate review - Reliance placed on precedents like M/s. Woolcombers of India Ltd. v. Woolcombers Workers Union and Anr. (Paras 10-12).

C) Intellectual Property Law - Patents - Priority Date - Section 11(2)(a) Patents Act, 1970 - Dispute involved priority dates of provisional and complete specifications for D1 and the impugned patent - Petitioner contended D1's priority date was earlier based on provisional specification filing - Court noted this was undisputed but the Controller did not properly evaluate it in the impugned order (Paras 5-8).

D) Civil Procedure - Appellate Jurisdiction - Remand Discretion - Patents Act, 1970 - Respondent argued that even if the order was deficient, the appellate court could decide the matter on merits without remand, citing Zarif Ahmad v. Mohd. Farooq and Maya Devi v. Raj Kumari Batra & Ors. - Court considered this submission but ultimately set aside the order due to fundamental flaws (Paras 20-21).

Issue of Consideration: Whether the impugned order dismissing the post-grant opposition under Section 25(2)(c) of the Patents Act, 1970 is legally sustainable given the alleged lack of reasoning and non-application of mind

Final Decision

The court set aside the impugned order dated July 7, 2023, and allowed the petition, directing a fresh consideration

2026 LawText (BOM) (03) 22

COMM. MISC. PETITION NO. 46 of 2025

2026-03-10

Arif S. Doctor, J.

2026:BHC-OS:6327

Mr. Hiren Kamod a/w. Mr. Nishank Barolia, Mr. Abhijeet Deshmukh, Mr. Tapan Shah, Mr. Shon Gadgil i/b. Khurana & Khurana, for the Petitioner; Mr. Niranjan Prabhakar Shimpi a/w. Revaa Kadam and Ms. Bhagyashri Waghmare, for Respondent No.1; Mr. Himanshu Kane a/w. Kanak Kadam and Ms. Sharwani Kane i/b. W. S. Kane & Co., for Respondent No.2

Saurabh Arora

Deputy Controller of Patents & Anr.

Nature of Litigation: Commercial Miscellaneous Petition challenging an order dismissing a post-grant opposition under the Patents Act, 1970

Remedy Sought

Petitioner seeks to set aside the impugned order dated July 7, 2023, by the Deputy Controller of Patents

Filing Reason

The petitioner filed the petition as the impugned order was allegedly unreasoned and passed without considering the prior art

Previous Decisions

The Deputy Controller of Patents dismissed the post-grant opposition via order dated July 7, 2023

Issues

Whether the impugned order dismissing the post-grant opposition under Section 25(2)(c) of the Patents Act, 1970 is legally sustainable given the alleged lack of reasoning and non-application of mind

Submissions/Arguments

Petitioner argued the order was unreasoned and failed to assess technical requirements under Section 25(2)(c) Respondent no. 1 argued the order was passed after due consideration and D1 could not qualify as prior art as it was a provisional specification without claims Respondent no. 1 also submitted that even if the order was deficient, the court could decide the matter on merits without remand

Ratio Decidendi

Judicial and quasi-judicial orders must be reasoned to ensure transparency and enable appellate review; an order lacking reasons and reflecting non-application of mind is unsustainable under the Patents Act, 1970

Judgment Excerpts

"the post-grant opposition proceedings came to be disposed of after five years on the sole ground that the prior art cited by the Petitioner cannot be considered as an 'appropriate disclosure'" "the impugned order had thus been passed by merely recording that D1 was not an 'appropriate disclosure' within the meaning of Section 25(2)(c), without assigning any reasons whatsoever"

Procedural History

Petitioner filed post-grant opposition on April 27, 2018; Deputy Controller dismissed it via order dated July 7, 2023; petitioner filed Commercial Miscellaneous Petition No. 46 of 2025; court reserved judgment on February 23, 2026; pronounced on March 10, 2026

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