Delhi High Court | Intellepedia

Dhurandhar Song Rights: Oye Oye, Not So Easy

Promotional banner for “The Revenge: Dhurandhar” showing a lone man walking through a fiery, orange-lit urban setting, with bold metallic title text in the foreground and flames surrounding the scene.

In the case of Trimurti Films Private Limited v. B62 Studios Private Limited & Ors., the plaintiff claimed copyright ownership over Tirchi Topiwale from the film Tridev and objected to its use and remix in Dhurandhar: The Revenge. The defendants relied on a 1988 assignment agreement and earlier uses of songs from Tridev in other films. The court refused interim relief after considering the agreement, prior conduct, suppression allegations, and balance of convenience.

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.

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.

Design Is Not a Shield: Delhi High Court on Patent Infringement in the Packaging Industry

Patent infringement packaging India - technical blueprint of tamper-evident pail closure system stamped infringement confirmed. Delhi High Court ruling on design registration vs patent protection in Mold-Tek v. Neway Industries

In Mold-Tek Packaging Ltd v. Neway Industries Pvt. Ltd, the Delhi High Court examined two cross-appeals arising from a patent infringement dispute over tamper-evident packaging closures. The central question: can a design registration protect a product against a patent infringement claim? The court’s answer carries serious implications for the packaging industry.

Trade Dress Passing Off: Delhi HC Restrains GAINDA from Copying HARPIC, COLIN & LIZOL Get-Up

Featured image for blog post on trade dress passing off — a magnifying glass revealing two identical blue cleaning bottle silhouettes surrounded by a burst of multicolour swatches, with the text: "Can You Own a Colour? Delhi HC Says Look at the Whole Picture"

The Delhi High Court has granted an interim injunction restraining Grand Chemical Works from selling cleaning products under the ‘GAINDA’ mark in trade dresses copying the distinctive get-up of Reckitt’s HARPIC, COLIN, and LIZOL brands. In this trade dress passing off case, the court had to decide whether an overall similarity in bottle shape, colour scheme, and packaging layout could overwhelm a prominently different house mark and how far a design that has expired can still live on as trade dress.