Industry Sector

Mechanical — India Patent Cases

195 decisions indexed

Page 1 of 7 · 195 total

patent plaintiff favorable · Mar 23, 2026

Wirtgen Gmbh v.Controller General Of Patents, Designs and Trademarks and Ors

Delhi High Court · 193880457

Wirtgen Gmbh appealed a rejection order issued by the Controller General of Patents, Designs and Trademarks. The rejection was based on lack of inventive step and insufficient claim definition under the Patents Act. The High Court found that the impugned order suffered from analytical and procedural deficiencies.

patent remanded · Mar 20, 2026

ITC Limited v.Philip Morris Products S.A.

Delhi High Court - Orders · 40362636

ITC Limited appealed against an order that dismissed its post-grant opposition to Indian Patent No. 319780. The appeal challenged the dismissal on grounds that the impugned order was non-speaking and failed to consider crucial reply evidence and documents filed by ITC under Rule 59 of the Patents Rules, 2003. The Court found that the Controller had ignored categorical directions regarding these submissions.

patent defendant favorable · Mar 12, 2026

ITW GSE APS v.Dabico Airport Solutions Pvt Ltd

Delhi High Court · 92988078

Plaintiffs filed a suit seeking permanent injunction and damages against defendants for infringing their Indian Patent No. 330145 related to PCA units, which were allegedly used at various airports. Defendant No. 3 sought its deletion from the array of parties, arguing it was not involved in the infringement activities or liable for the actions of other entities.

patent defendant favorable · Mar 9, 2026

Vishal Prafulsingh Solanke v.Controller of Patent and Designs

Bombay High Court · 63994794

Vishal Prafulsingh Solanke challenged the refusal of his patent application (No. 879/MUM/2015) by the Assistant Controller of Patent and Designs, which was upheld in a prior appeal. The present Commercial Appeal sought to challenge this order further under Section 13 of the CCA, but the Court found that the statutory provisions did not permit such an appeal.

patent plaintiff favorable · Feb 26, 2026

Daikin Industries Ltd v.Assistant Controller Of Patents And Designs

Delhi High Court - Orders · 115182081

Daikin Industries Ltd appealed the refusal of its Indian Patent Application by the Assistant Controller of Patents. The refusal was based on a lack of novelty in view of prior art D1: US3840070A. The court allowed an auxiliary request to amend claim 1, finding that the amendment did not broaden the scope and was disclosed in the specification.

patent plaintiff favorable · Feb 13, 2026

Colonel Dhyan Mayadas Retired v.Union Of India & Ors.

Delhi High Court - Orders · 46871520

The petitioner, a retired military officer, filed a patent application for 'Ballistic Armour Shield' in 2018. Despite the application being deemed 'in order for grant' by the Patent Office (Respondent No. 2), it remained pending with DRDO (Respondent No. 3) for nearly seven years without consideration. The petitioner approached the High Court seeking a direction to expedite the process.

patent interim order · Feb 6, 2026

Alfa Laval Corporate Ab v.Clean Earth Energy Solution India Private Limited & Anr.

Delhi High Court - Orders · 87970164

The Plaintiff filed an application seeking directions for the inspection of heat exchanger plates manufactured by the Defendant and taking on record relevant documents. The Court, relying on Section 115(1) of The Patents Act, appointed a Scientific Advisor to conduct an inspection and provide a detailed report comparing the impugned products with Patent No. 322307.

patent plaintiff favorable · Feb 3, 2026

Jfe Steel Corporation v.The Controller of Patents & Designs

Bombay High Court · 56193628

Jfe Steel Corporation challenged an order from The Controller of Patents & Designs that refused its patent application (No. 115/MUMNP/2015). The petitioner argued that the rejection was based solely on non-compliance with Section 10(4) without examining novelty or inventive step. The High Court agreed, finding the rejection legally flawed.

patent interim order · Feb 2, 2026

Nord Lock Ab & Anr. v.Gala Precision Engineering Private Limited

Delhi High Court - Orders · 73935279

The court considered an application filed by the counter claimant seeking permission to introduce additional public documents and prior arts related to various patents. The Court allowed the application, noting that despite insufficient reasons provided initially, the documents were public domain and highly relevant to the issues in dispute.

patent interim order · Feb 2, 2026

Nord Lock Ab & Anr. v.Gala Precision Engineering Private Limited

Delhi High Court - Orders · 136251653

The court considered an application filed by the counter claimant seeking leave to place additional public documents on record. These documents included various patents and ISO standards related to fasteners and coating methods, which were deemed highly relevant for proper adjudication of the issues raised in the Counter Claim.

patent interim order · Feb 2, 2026

Nord Lock Ab & Anr. v.Gala Precision Engineering Private Limited

Delhi High Court - Orders · 2435098

The court considered an application filed by the counter claimant seeking permission to introduce additional public documents, which were identified as relevant prior arts pertaining to various patents. The Court allowed the submission of these documents, noting their relevance despite the late filing, subject to payment of costs.

patent interim order · Feb 2, 2026

Nord Lock Ab & Anr. v.Gala Precision Engineering Private Limited

Delhi High Court - Orders · 14561174

The court considered an application filed by the counter claimant seeking leave to place additional public documents on record. These documents included various patents and prior arts related to fasteners, washers, and coating methods. The Court allowed the filing of these documents, noting their relevance despite initial procedural delays.

patent pending · Jan 30, 2026

Jfe Steel Corporation v.The Controller Of Patents

Delhi High Court - Orders · 81394194

Jfe Steel Corporation filed an appeal under Section 117A of the Patents Act, 1970, challenging an order passed by the Controller of Patents regarding Indian Patent application number 279/DEL/2015. The court accepted notice and directed both parties to file written submissions.

patent remanded · Jan 28, 2026

Neway Industries Pvt. Ltd. v.Mold-Tek Packaging Limited

Delhi High Court · 132390569

Mold-Tek Packaging Ltd filed a suit for infringement against Neway Industries Pvt. Ltd regarding two patents related to pail closure systems and tamper-proof lids. The dispute reached the Delhi High Court, where appeals were heard concerning the validity of the patents and the status of interim injunctions.

patent plaintiff favorable · Jan 21, 2026

Steer Engineering Private Limited v.Uvw Extruder

Karnataka High Court · 47174169

Steer Engineering Private Limited appealed against a commercial court order that dismissed its application for temporary injunction. The dispute centered on the alleged infringement of Patent No. 318271, titled 'Stress Concentration Free Spline Profile', which protects components used in Twin Screw Extruders. The High Court allowed the appeal and granted an interim injunction restraining the respondents from infringing the patent during the pendency of the suit.

patent defendant favorable · Jan 16, 2026

Vishal Choudhary v.SNPC Machines Private Limited

Delhi High Court · 75158798

Vishal Choudhary appealed an order that restrained him from manufacturing and selling subject brick-making machines, which were patented by SNPC Machines Pvt. Ltd. The appeal primarily raised issues of territorial jurisdiction and the merits of patent infringement. The court dismissed the appeal, upholding the injunction in favor of the plaintiff (SNPC).

patent defendant favorable · Jan 9, 2026

Trutech Machinery v.Controller of Patents & Anr.

Bombay High Court · 66312084

Trutech Machinery challenged the Assistant Controller's order allowing a patent application for an improved round corner cutting machine. The Petitioner raised objections under Section 25, including anticipation and lack of inventive step. The Court found no legal error in the summary inquiry conducted by the Controller and directed the Petitioner to seek revocation under Section 64.

patent pending · Jan 6, 2026

Kba Notasys Sa v.Controller General Of Patents, Designs and Trademarks and Anr

Delhi High Court - Orders · 143664973

The appellant, Kba Notasys Sa, challenged an impugned order issued by the Controller General of Patents. The appellant argued that the Controller failed to apply established guidelines for determining inventive step and did not properly assess the invention described in their drawings. The respondent contended that the claimed invention was not patentable as it was covered by existing prior art.

patent defendant favorable · Jan 5, 2026

Steer Engineering Private Limited v.Joint Controller of Patents and Designs

Madras High Court · 37899286

The appeal was filed against the Joint Controller's order refusing to grant a patent for a fiber reinforced thermoplastic composition. The respondent argued that the amended claims were already covered by the parent application and did not meet statutory requirements, citing prior art.

patent plaintiff favorable · Jan 5, 2026

Automat Irrigation Pvt. Ltd. v.Aquestia Limited

Delhi High Court · 150698168

Automat Irrigation Pvt. Ltd. appealed a Single Judge's decision which held that its product, Hydromat Valve (an FCV), infringed Patent IN 4270503 of Aquestia Limited. The appellate court found errors of principle in the lower judgment regarding claim interpretation and fundamental differences in technology between the two valves.

patent plaintiff favorable · Dec 10, 2025

Ohr Laboratory Corporation v.Gasion Airtech Private Limited & Ors

Delhi High Court - Orders · 96165277

The Delhi High Court granted an ad interim injunction in favor of Ohr Laboratory Corporation against Gasion Airtech Private Limited & Ors. The court found that the Plaintiff had made out a prima facie case, irreparable harm would result without intervention, and the balance of convenience favored the Plaintiff. Defendants are now restrained from using the 'OHR' mark or similar names/model numbers, as well as from reproducing copyrighted brochure elements.

patent plaintiff favorable · Oct 27, 2025

Novenco Building And Industry A/S v.Xero Energy Engineering Solutions Private Ltd.

Supreme Court of India · 74396063

The appellant (Novenco) filed a commercial suit alleging infringement of its patents and designs by the respondent (Xero Energy). The High Court rejected the plaint due to non-compliance with mandatory pre-institution mediation under Section 12A, citing a delay between discovery and filing. The Supreme Court overturned this decision, holding that continuous infringement and public interest in preventing market confusion establish urgency, regardless of the time lag.

patent pending · Oct 15, 2025

Rajesh Pal Sharma v.Assistant Controller Of Patents And Designs & Anr.

Delhi High Court - Orders · 40028291

Rajesh Pal Sharma filed an appeal before the Delhi High Court challenging the order dated 05.03.2025 passed by the Respondent No. 1, which rejected his Indian Patent Application No. 201811004587. The court issued notice and directed parties to file replies within specified timelines.

patent interim order · Oct 9, 2025

Caterpillar Inc v.Gold Filter And Co And Another

Delhi High Court - Orders · 94852813

Caterpillar Inc filed a suit seeking permanent injunction against Gold Filter And Co for infringing several of its Patents related to fluid filter systems used in construction machinery. The court passed an order granting various procedural exemptions sought by the Plaintiff, including exemption from pre-institution Mediation and advance service, and appointed a Local Commissioner to inspect the alleged infringing parts.

patent settled · Oct 6, 2025

M/S.Texmo Industries v.Mukesh Lamba

Madras High Court · 19460937

The Madras High Court addressed a complex intellectual property dispute involving M/S.Texmo Industries against Mukesh Lamba regarding the use of similar marks for pump goods. The suit claimed infringement under Trademark Act provisions, alongside copyright violations related to website design and content. Ultimately, the court decreed the case based on a compromise memorandum entered into by both parties, resolving the multi-faceted dispute.

patent interim order · Sep 23, 2025

Alfa Laval Corporate Ab v.Clean Earth Energy Solution India Private Limited

Delhi High Court - Orders · 198010833

The Plaintiff filed a suit alleging patent infringement regarding heat exchanger plates. The Defendants asserted that their product does not infringe the suit patent. To resolve this dispute, the Court ordered the appointment of an independent Scientific Advisor to inspect the impugned product and provide a technical report on potential overlap with the patented claims.

patent plaintiff favorable · Sep 4, 2025

Stromag Gmbh v.The Controller General Of Patents Designs And Trade Mark

Calcutta High Court · 82695785

Stromag Gmbh appealed the rejection of its patent application, 'HYDRAULICALLY ACTUATABLE DISK BRAKE AND AZIMUTH DRIVE', which was denied primarily due to a lack of inventive steps. The appellant argued that the rejection order failed to provide sufficient reasons and violated principles of natural justice. The High Court found the impugned order unsustainable for lacking reasoned analysis, setting it aside and remanding the matter.

patent interim order · Sep 2, 2025

Caterpillar Inc v.Zhejiang Lifeng Machinery Parts Co Ltd and Others

Delhi High Court - Orders · 39885681

Caterpillar Inc filed a suit seeking permanent injunction against Zhejiang Lifeng Machinery Parts Co Ltd for infringing Caterpillar's patents, designs, and trade marks related to fluid filter systems used in construction machinery. The court granted several interim applications, including exemption from pre-institution mediation and advance service, and ordered the appointment of Local Commissioners to inspect and secure the alleged infringing stock.

patent interim order · Aug 19, 2025

Caterpillar Inc. v.Zhejiang Santian Oil Filter Co. Ltd. & Ors.

Delhi High Court - Orders · 62827846

Caterpillar Inc. filed a suit against Zhejiang Santian Oil Filter Co. Ltd. alleging infringement of its patented and designed fluid filter systems used in construction and mining machinery. The Delhi High Court granted an ex-parte ad-interim injunction to restrain the Defendants from infringing these rights. Furthermore, the court permitted the appointment of Local Commissioners to inspect premises, seize infringing goods, and take samples for analysis.

patent plaintiff favorable · Aug 1, 2025

Aquestia Limited v.Automat Industries Private Limited

Delhi High Court · 113756547

Aquestia Limited filed a suit seeking permanent injunction against Automat Industries Private Limited and its affiliates for infringing Aquestia's registered patent, 'A Fluid Control Valve' (IN 427050). The plaintiff argued that the defendants were imitating established industry products, including the Series 75 valve, and selling infringing products both domestically and internationally. After considering arguments regarding infringement, delay, and balance of convenience, the Delhi High Court found a prima facie case in favor of Aquestia Limited.

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