Delhi High Court | Intellepedia

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.

No Copyright in a Golf Swing of Ideas

In the case of Gurbaaz Pratap Singh Mann vs Kunwar Raghav Bhandari and Ors., the Delhi High Court looked at whether the defendants had copied the plaintiff’s protected expression in a golf format. It held that similarities related to ideas and game mechanics do not amount to infringement. It found that the defendants had not reproduced any protectable expression from the plaintiff’s work.

No Euphoria for Pirates: Copyright infringement injunction against rogue websites

Banner with a purple neon city skyline, a judge’s gavel on the left, a hooded figure using a phone on the right, and the headline “NO EUPHORIA FOR PIRATES.”

The Delhi High Court granted an ex parte ad interim injunction in favor of HBO, to protect Euphoria from online piracy ahead of its India release. The court noted that rogue websites could cause immediate commercial harm and directed blocking measures against the identified websites.

Isha and Sadhguru: Jurisdiction and Defamation in the Age of Online Content

In the case of Isha Foundation v. Google LLC & Ors., a charitable trust and its founder, Sadhguru Jaggi Vasudev, challenged online videos and articles that allegedly harmed their reputation. The dispute involved jurisdiction, authorization, limitation, and interim restraint on publication. The court also considered the balance between free speech and the right to reputation.

Can Non-Use of a Trademark Fuel a Passing Off Claim? Delhi High Court Says No

An old glass syrup bottle coated in dust and cobwebs, resting on a worn wooden shelf, its peeling label stamped with a bold red "Registered" mark - symbolising a trademark left unused and forgotten

The Delhi High Court dismissed Sana Herbals’ appeal for an interim injunction against Mohsin Dehlvi and Dehlvi Remedies, holding that prior user of the NOKUF trademark by the respondents, even if followed by decades of non-use, defeats a passing off claim where goodwill never preceded the defendant’s adoption of the mark.

Breaking Beams, Breaking Records: Delhi High Court Awards ₹152 Crore in Antenna Patent Infringement Suit Against Rosenberger

Featured image for blog post on patent infringement damages in India - illustration of a cellular antenna tower contrasting symmetrical and asymmetrical beam patterns, representing Indian Patent No. 240893 upheld by the Delhi High Court in the landmark CCA v Rosenberger ruling awarding ₹152 crore in damages.

The Delhi High Court upheld the validity of Indian Patent No. 240893 for asymmetrical beam antenna technology in Communication Components Antenna Inc. v. Rosenberger Hochfrequenztechnik GmbH, rejecting all revocation grounds. The court awarded ₹152 crore in patent infringement damages – could this signal a new era for patent enforcement in India?

Fair Hearing First: Delhi HC Sets Aside Patent Refusal Over New Grounds in Order

A blue wooden background with the words “drilling holes into patent refusals?” in black text, alongside an orange power drill angled toward the text.

The Delhi High Court has set aside the Controller of Patents’ refusal of a Wirtgen GMBH patent application, finding that new objections introduced for the first time in the final order – without prior notice – violated the applicant’s right to a fair hearing.