Outcome Category

Plaintiff Favorable

at Calcutta High Court (Appellete Side)

21 plaintiff favorable decisions from Calcutta High Court (Appellete Side).

Plaintiff Favorable Decisions

21 cases | Page 1 of 1

patent plaintiff favorable · Oct 24, 2025

M/S Sunhok Wheels Pvt. Ltd. v.The State Of West Bengal

Calcutta High Court (Appellete Side) · WPA No.22027 of 2025

Petitioners, manufacturers of e-rickshaws, challenged the non-issuance of registration certificates due to concerns raised by a private respondent claiming patent rights over the technology. The court reviewed previous orders and directed the Registering Authority to proceed with registrations, provided the vehicles are distinct from those subject to pending title suits.

patent plaintiff favorable · Oct 24, 2025

M/s Prominal Electric Vehicle Private Limited v.The State of West Bengal

Calcutta High Court (Appellete Side) · WPA No.21879 of 2025

Petitioners, e-rickshaw manufacturers, challenged the non-issuance of registration certificates due to concerns about patent holder's exclusive rights. The Court reviewed previous orders and directed the Registering Authority to proceed with registrations, provided the vehicles are distinct from those subject to a pending title suit.

patent plaintiff favorable · Sep 16, 2025

Upl Limited v.Union Of India & Ors.

Calcutta High Court (Appellete Side) · WPA-IPD No.3 of 2024

Upl Limited challenged an order rejecting its patent application, arguing that the rejection was based on lack of novelty/inventive step and violated principles of natural justice because expert evidence was ignored. The petitioner contended that the combination offered unexpected advantages in crop yield by controlling fungal diseases. The High Court found a serious infirmity in the impugned order due to procedural lapses and set it aside, remanding the matter for fresh consideration.

patent plaintiff favorable · Aug 25, 2025

Kanishk Sinha v.State Of West Bengal & Ors.

Calcutta High Court (Appellete Side) · MAT 1680 of 2022 with CAN 1 of 2022

Kanishk Sinha, the patent holder of e-rickshaws/e-vehicles, appealed a judgment that had previously directed registration authorities to register these vehicles. The court held that questions regarding exclusive rights, compulsory licensing, and compensation are matters for pending civil suits or statutory fora under the Patents Act, not writ jurisdiction.

patent plaintiff favorable · Aug 25, 2025

Kanishk Sinha v.State Of West Bengal & Ors.

Calcutta High Court (Appellete Side) · MAT 1680 of 2022 with CAN 1 of 2022

Kanishk Sinha appealed against an order that disposed of a writ petition filed by e-rickshaw manufacturers seeking registration authority direction. The original dispute involved the patent holder (appellant) seeking damages and injunctions against infringers for manufacturing without a license. The court held that questions regarding exclusive rights, compulsory licensing, and compensation are matters for pending civil suits or statutory fora under the Patents Act, not writ jurisdiction.

patent plaintiff favorable · Feb 25, 2025

Upl Limited v.Union Of India & Ors.

Calcutta High Court (Appellete Side) · WPA-IPD 2 of 2024

Upl Limited challenged a communication from respondent authorities that cancelled a scheduled hearing for its patent application, citing redundancy in cited prior art. The petitioner argued this cancellation was unjustifiable without following procedural mandates. The court found serious infractions of procedure and directed the matter to be reassigned and heard afresh.

design plaintiff favorable · Sep 21, 2023

Shah Mayankkumar Bharatkumar v.Controller Of Patents And Designs & Anr.

Calcutta High Court (Appellete Side) · C.O. 3086 of 2023

The petitioner filed a revisional application before the Calcutta High Court, aggrieved by the excessive delay in disposing of an opposition filed by opposite party no. 2 against their Registered Design (No. 304927). The court disposed of the application by directing the Controller of Patents and Designs to conclude the pending opposition proceedings within two months.

patent plaintiff favorable · Jun 9, 2023

Pan Seeds Pvt. Ltd. v.Ramnagar Seeds Farm Pvt. Ltd. and Ors.

Calcutta High Court (Appellete Side) · F.M.A.T 11 of 2023 / CAN 1 of 2023

Pan Seeds Pvt. Ltd. appealed against a lower court's decision regarding an interim injunction concerning its registered plant variety PAN 804. The appeal focused on procedural fairness, arguing that the trial court violated principles of natural justice by relying solely on voluminous documents produced by the respondents without giving the appellant a chance to respond. The High Court allowed the appeal and granted an injunction.

patent plaintiff favorable · May 19, 2023

Jayshree & Company v.The State Of West Bengal & Ors

Calcutta High Court (Appellete Side) · W.P.A. 12041 of 2023

Jayshree & Company challenged a notice issued by respondents restricting the registration of their echo friendly e-rickshaws. The restriction was based on an order in a Title Suit where a fuel cell battery manufacturer alleged patent infringement. The court ruled in favor of the petitioner, directing authorities to grant registration provided the vehicles are distinct from those in the ongoing suit.

design plaintiff favorable · Jan 25, 2023

Kalpesh Manubhai Ramoliya v.Controller Of Patents And Designs & Anr.

Calcutta High Court (Appellete Side) · C.O. 114 of 2023

The petitioner filed an application seeking direction for the expeditious disposal of proceedings for cancellation of a registered design (No. 324986-017). The petitioner contended that despite filing the cancellation application in November 2021, the Controller had failed to proceed with the hearing, causing undue prejudice and loss.

design plaintiff favorable · Jan 25, 2023

Kalpesh Manubhai Ramoliya v.Controller Of Patents And Designs & Anr.

Calcutta High Court (Appellete Side) · C.O. 113 of 2023

The petitioner filed an application seeking a direction from the Calcutta High Court for the expeditious disposal of proceedings related to the cancellation of registered design no. 324986-016. The petitioner contended that despite filing the cancellation request in November 2021, the Controller had failed to proceed with the hearing, causing undue prejudice and loss.

patent plaintiff favorable · Nov 9, 2022

Mr. Debabrata Saha Roy & Ors. v.State (Government of West Bengal)

Calcutta High Court (Appellete Side) · WPA/23718/2022

The petitioners challenged a notice restricting the registration of their echo friendly e-rickshaws due to an earlier title suit concerning patent infringement related to fuel cell batteries. The court held that since the petitioner's battery is distinct (lead cell) from the subject matter of the Title Suit, the Transport Directorate must grant registration, provided all other formalities are met.

patent plaintiff favorable · Sep 29, 2022

Dys Impex Private Limited v.State Of West Bengal

Calcutta High Court (Appellete Side) · WPA 22109 of 2022

The petitioners, manufacturers of battery operated electric cycle rickshaws, challenged the refusal by authorities to register their vehicles based on a patent injunction. The court examined whether the subsequent modification and vacation of the original injunction made the private respondent's restraint valid. The court held that the initial injunction was modified and found the patent invalid, thus directing the authorities to proceed with registration.

patent plaintiff favorable · Sep 28, 2022

Hooghly Motors Pvt. Ltd. v.The State Of West Bengal

Calcutta High Court (Appellete Side) · WPA 21440 of 2022

The petitioners challenged a notice restricting the registration of their echo friendly e-rickshaws due to an earlier court order concerning a patent infringement suit. The core issue was whether the petitioner's lead cell battery technology was distinct from the patented fuel cell battery in the Title Suit. The Court disposed of the writ petition by directing the Transport Directorate to grant registration, provided the vehicles were distinct and complied with relevant rules.

patent plaintiff favorable · Jul 19, 2022

Kanishka Sinha & Anr v.The Union Of India & Ors

Calcutta High Court (Appellete Side) · WPA 15637 of 2022

The petitioners sought a direction to the Deputy Director General (VAHAN), National Informatics Centre, to grant linkage of their patented software with the Vehicle Registration and Homogation System. The matter was settled amicably between the parties, leading to the court disposing of the writ petition.

patent plaintiff favorable · Feb 11, 2020

Kanishk Sinha v.The State Of West Bengal & Ors.

Calcutta High Court (Appellete Side) · FMAT 1360 of 2019 / CAN 12796 of 2019

Kanishk Sinha filed a title suit seeking accounts, delivery of products, and permanent/mandatory injunction against defendants for infringing his patent rights related to eco-friendly e-rikshaws. The trial court dismissed the application for temporary injunction on grounds including lack of territorial jurisdiction and failure to comply with Section 80(2) CPC. This appeal challenged the impugned order.

trademark plaintiff favorable · Sep 25, 2019

Prashant Properties Limited v.Sps Steels Rolling Mills Ltd

Calcutta High Court (Appellete Side) · C.O. No. 2205 of 2019 (with C.A.N. No. 6305 of 2019)

The petitioner, an operational creditor, entered into a Permissive User Agreement (PUA) with the respondent to use a family of marks in lieu of securing an outstanding debt. The trial court granted an ad interim injunction restraining the respondent from suspending this PUA. The appellate court stayed this injunction, arguing that civil courts lacked jurisdiction under the IBC and Companies Act. The High Court set aside the stay order, finding that the suit was maintainable as a collateral security agreement.

patent plaintiff favorable · Jun 18, 2019

Oramed Ltd. v.Union Of India & Ors.

Calcutta High Court (Appellete Side) · W. P. No.9575 (W) of 2019

Oramed Ltd. challenged a decision dated February 25, 2019, made under Section 15 of the Patents Act, 1970. The petitioner argued that the adjudicating authority erred by proceeding on Section 3(d) instead of Section 3(e), and that the order was based on conjectures rather than conclusive findings. The court found infirmities in the impugned order.

patent plaintiff favorable · Mar 13, 2019

Merck Sharp & Dohme Corp v.Union Of India

Calcutta High Court (Appellete Side) · W. P. No.1518 (W) of 2019

Merck Sharp & Dohme Corp challenged an order by the Assistant Controller of Patents & Designs. The petitioner argued that the appeal mechanism was practically unavailable due to the absence of a technical member, and further contended that the rejection of their patent application, which followed a voluntary divisional filing, was erroneous as it failed to consider curative measures.

patent plaintiff favorable · Nov 12, 2014

Sri Rajesh Kumar Banka v.The Union of India & Ors.

Calcutta High Court (Appellete Side) · W.P. No. 19610 (W) of 2011

The writ petitioner challenged an order by the Intellectual Property Appellate Board (IPAB) which had revoked his patent for a 'Sealing Device' due to lack of novelty based on US prior art. The petitioner argued that his device possessed novel features, such as a transparent body and ribbed wire. The Calcutta High Court set aside the IPAB's order, finding that the Board erred in its assessment and reliance on expert opinion.

trademark plaintiff favorable · May 17, 2013

N. V. Sumatra Tobacco Trading Co. v.The Registrar of Trade Marks & Ors.

Calcutta High Court (Appellete Side) · W.P. 11743 (W) of 2012

The petitioner challenged the Intellectual Property Appellate Board's (IPAB) order which allowed the registration of the trade mark 'HERO' for cigarettes. The petitioner argued that the IPAB erred by interfering with the Registrar's discretionary decision and misinterpreting legal principles regarding trademark priority and special circumstances. The High Court ultimately set aside the IPAB's order, confirming the Registrar's refusal to register the mark.

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