Case Reviews | Intellepedia

No Breeze For Atomberg’s Design Claim: Bombay High Court Says Pigeon Fan Looks Different

llustration of a pigeon beside vintage fans representing the Atomberg v Stove Kraft design infringement and passing off dispute.

In the case of Atomberg Technologies Private Limited v Stove Kraft Limited, the Bombay High Court dealt with a design infringement and passing off dispute relating to ceiling fans. Atomberg alleged that Stove Kraft’s Pigeon fan copied its registered fan design, but the Court refused interim relief after finding that the proper comparison had to be made with the registered design and not with later product models. The Court also found visible differences between the rival fans and held that Atomberg had not established goodwill in the particular get up of the suit fan for passing off.

Prescription Without Diagnosis: Court Remands Patent Refusal for Medical Research Engine

Patent refusal document stamped “Refused” with a magnifying glass on a wooden desk, representing legal review of a rejected patent application.

The Bombay High Court, in Navya Network Inc. v. Assistant Controller of Patents and Designs, set aside a patent refusal for a “Medical Research Retrieval Engine,” ruling that the Patent Office failed to apply the five-step inventive step test and introduced new Section 3(k) grounds in the refusal order that were never put to the applicant at the hearing stage.

Delhi High Court Revisits the Scope of Section 3(d) in Agrochemical Patents

Banner reading “Section 3(d) and Agrochemicals: Beyond Therapeutic Efficacy,” with illustrated farmers spraying crops on both sides.

The Delhi High Court interprets Section 3(d) in the agrochemical context by extending efficacy beyond therapeutic effect to encompass stability, usability, and practical field performance.

Mold-Tek Wins Patent Infringement Injunction Against Former Distributor

Patent infringement interim injunction India : Delhi High Court upholds tamper-evident packaging patents in Mold-Tek Packaging Limited v. Pronton Plast Pack Pvt. Ltd., 2026

In Mold-Tek Packaging Limited v. Pronton Plast Pack Pvt. Ltd., the Delhi High Court found both tamper-evident packaging patents valid and prima facie infringed, granted an interim injunction, and rejected the Gillette Defence, in a patent infringement case where the rival’s CEO was once the plaintiff’s own authorised distributor.

Golden Stag Hunts Blue Mangoes: Copyright Claim Falls Short

Golden stag glowing in a dark forest, symbolizing the copyright infringement dispute over Golden Stag and The House of Blue Mangoes.

In the case of Mr. David Davidar vs Ms. Sivasundari Bose, two novels set in South India turned into a long dispute over copyright and reputation. Ms. Bose claimed that The House of Blue Mangoes drew from her manuscript Golden Stag, while Mr. Davidar denied access, denied copying, and challenged the allegations.

Delhi HC Orders Xiaomi to Pay ₹272 Crore in Standard Essential Patent (SEP) Dispute

Standard essential patent pro tem security order - Delhi High Court directs Xiaomi to deposit ₹272 crore in Malikie Innovations and BlackBerry cellular SEP dispute

The Delhi High Court has ordered Xiaomi to deposit ₹272 crore as pro tem security in a standard essential patent infringement suit filed by Malikie Innovations Ltd., which holds BlackBerry’s cellular SEP portfolio. Did Xiaomi’s own move in a Chinese court inadvertently seal the outcome?

No Passport for Trademark Exhaustion – Delhi HC Resets the Rules

Indian passport featured image - Delhi High Court ruling on trademark international exhaustion under Section 30(3) Trade Marks Act, illustrating that foreign trademark registration carries no automatic rights in India

When a Chinese manufacturer’s Indian agent registers the STELLADEXIN trademark and the manufacturer later authorises a rival to sell the same cookers in India, who can claim infringement? The Delhi High Court Division Bench answers that question and, in doing so, resets the limits of international exhaustion and prior user under Indian trademark law.

All the Trappings! Bombay High Court Bars Second Patent Appeals

Illustration of closed courthouse gates symbolising the bar on second patent appeals in India under Section 100A CPC — Bombay High Court ruling on patent appeal maintainability

When the Bombay High Court dismissed a patent applicant’s appeal after a Single Judge upheld the Controller’s refusal, the applicant tried a second round before the Division Bench. The court’s answer, drawing on Section 100A CPC and the “trappings of a Civil Court” doctrine closes a significant procedural door for Indian patent litigants.

Dung Deal: Delhi High Court Remands Cattle Manure Battery Patent

Sodium-ion battery with hard carbon electrode material - Delhi High Court post-grant opposition ruling on cattle manure-derived battery patent

The Delhi High Court has set aside a post-grant revocation of a patent covering a cattle manure-derived hard carbon process for sodium-ion batteries, finding that the Deputy Controller failed to apply the mandatory five-step inventive step test. The case raises sharp questions about procedural rigour in post-grant opposition proceedings under the Patents Act, 1970.

Why Owning a Logo Doesn’t Mean Owning Its Letters – the A TO Z’ Trademark Dispute

Delhi High Court trademark infringement ruling on A TO Z vs MULTIVEIN AZ pharmaceutical marks – Alkem Laboratories v. Prevego Healthcare

Can a pharmaceutical giant claim exclusive rights over the letters ‘A’ and ‘Z’? The Delhi High Court, in Alkem Laboratories v. Prevego Healthcare, refused an interim injunction in an ‘A TO Z’ trademark dispute, holding the phrase descriptive and the rival mark non-infringing under Indian trademark law.