Delhi High Court | Intellepedia

Old Wine in New Bottle: Distillery Waste Patent Denied

Two bottles are placed side by side against a muted background. The bottle on the left is labeled "DISTILLERY WASTE" and contains a dark liquid, while the bottle on the right is labeled "PATENT DENIED" and also contains a similar dark liquid.

Delhi HC affirms rejection of a patent on ZLD process from distillery waste, citing lack of inventive step and application of Section 3(d) of the Patents Act.

Prior user rights prevail over subsequent registration, reiterates court

Cartoon-style image inspired by the Bollywood song "Saree Ke Fall Sa," featuring a woman (Sonakshi Sinha) in a neon green and pink saree and a man (Shahid Kapoor) in a grey outfit dancing against a blue background. Both are mid-step, with expressive hand gestures. Musical notes on the left include the text “Saree ke Fall ka match kiya re...”

Delhi HC cancels ‘Ragini’ label for deceptive similarity and copied trade dress, upholding prior user rights of ‘Rani’/‘Rachna’ and ordering Section 57 rectification of the register.

Court Grants ex-parte Order in Favor of Designer Gaurav Gupta

Fashion design process illustration showing dress pattern sketches, a designer drawing a dress on paper with sewing tools, and outlines of accessories like bags, shoes, and hats.

The Delhi High Court granted a permanent injunction and damages to Gaurav Gupta after finding willful trademark, copyright, and design infringement by the defendant. The judgment reinforces the legal remedies available to fashion designers in India for protecting their intellectual property rights.

Court Remands Patent Rejection Over IV Catheter, Cites Flawed Obviousness Test

A nurse applies an intravenous catheter to a patient's arm while seated on a couch,

Delhi HC sets aside patent rejection for IV catheter, citing flawed inventive step analysis under Agriboard test and lack of reasoned decision.

No Territorial Jurisdiction, No Quia Timet Relief: Lessons from a Patent Case

A stylized laboratory scene showing a large blue capsule being constructed by steampunk-style mechanical arms, with sparks flying. A wooden sign next to the capsule reads "UNDER CONSTRUCTION," symbolizing a drug still in development. Various lab equipment is visible in the background.

In the case of Helsinn Healthcare SA vs AET Laboratories, the Delhi High Court declined to entertain a patent infringement action filed in anticipation of future infringement. The Court examined the territorial reach of Indian courts in web-based patent matters and reaffirmed the principles required to sustain quia timet actions.

Delhi High Court Grants Permanent Injunction in LAHORI ZEERA Trademark Infringement Case

Delhi HC restrains Balaji Foods from using the LAHOR ZEERA mark, upholding Archian Foods’ IP rights over LAHORI ZEERA’s trademark, label, and design.

Court favors AR Rahman, rejects claims that Dagar Brothers composed Shiva Stuti

Music composer at studio desk with headphones; banner text reads “Court favors AR Rahman, rejects claims Dagar Brothers composed Shiva Stuti.”

The Delhi High Court ruled that the Dagar Brothers were not the authors of Shiva Stuti, setting aside an earlier order and supporting AR Rahman’s appeal. The decision clarifies that authorship and originality are essential for copyright protection in Indian classical music.

Strategic Delay Costs Novartis Its Cross-Examination Rights

Banner with text “Tactical Delay Proves Costly for Novartis” beside a clock and wooden blocks spelling DELAY on an orange background

The Delhi High Court dismissed Novartis’s writ petitions, ruling it had waived cross-examination by opting for rebuttal evidence. The Controller’s orders were upheld, with the patent already revoked days earlier.

Non-Disclosure of Prior Art in Hearing Notice Violates Natural Justice, Rules Delhi High Court

3D illustration of repeating blue molecular structures representing chemical compounds, symbolizing scientific formulations or agrochemical compositions.

In Croda Inc. v. Controller of Patents, the Delhi High Court emphasized procedural fairness and ruled that the non-disclosure of prior art in a hearing notice constitutes a breach of natural justice. The Court remanded the case for fresh evaluation.

Winning the Race for ‘X1’: A Trademark Dispute Resolved

X1-branded jetski races ahead on a track as cars chase.

The Delhi District Court resolved the X1 trademark dispute between Ashish Aggarwal and M/s Racing Promotions Pvt. Ltd by granting a permanent injunction. The judgment upholds the enforceability of trademark rights in sports event branding and addresses issues of infringement, jurisdiction, and profits.