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Patent Claim Amendments – Court’s observation of amendments to systems, methods and use claims

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The Calcutta High Court remanded a patent application back to the Controller of Patents, citing infrimities in evaluating claim amendments. The Court stressed that mere change in claim types—method to system—without analyzing technical substance cannot justify rejection under Section 59 of the Indian Patents Act.

Astrology Meets IP – Zodiac Strategies for the Week Ahead (May 25–31)

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In this week’s IP-Astro edition, we explore how each zodiac sign might approach shared IP issues—from joint ownership to licensing—under Gemini’s collaborative influence. These reflections offer a light-hearted, symbolic take on intellectual property and are meant to spark creative curiosity, not serve as professional or astrological advice.

Can a Pre-Grant Opposition Survive After Patent Grant?

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The Delhi High Court confirmed that once a patent grant order is signed, a pre-grant opposition under Section 25(1) is no longer valid. This case involving Vertex Pharmaceuticals affirms that the signature date is definitive, regardless of later administrative delays.

Interim Relief to FDC in KROMALITE Trademark Dispute

Image showing Confused shopper choosing between similar brands online with text KROMALITE OR CHROMALITE??? above a shopping cart and laptop, highlighting trademark confusion.

In a significant trademark ruling, the Delhi High Court sided with FDC Limited, granting interim injunction against Palsons Derma for using “CHROMALITE”, a mark found deceptively similar to FDC’s “KROMALITE”. The decision underscores brand integrity and affirms legal safeguards against consumer confusion in pharmaceutical and cosmetic sectors.

AbbVie’s Patent Refusal Upheld over Impermissible Shift from Treatment to Product Claims

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The Delhi High Court has dismissed AbbVie’s appeal regarding the refusal of their patent application for an anti-cMet antibody-drug conjugate. The court found the proposed amendments exceeded permissible scope under the Indian Patents Act.

When Dye Becomes Decisive: Patent Infringement, Equivalence, and Estoppel

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In a patent infringement case, the Delhi High Court denied Crystal Crop Protection’s request for an interim injunction against Safex Chemicals. The dispute in the case centred on a herbicidal formulation containing Clodinafop, Metribuzin, and a dyeing agent. The Court held that the dye was an essential claim element and that Safex’s dye-free products did not infringe, even by equivalence. It also invoked prosecution history estoppel, noting that Crystal’s own claim amendments precluded a broad claim interpretation.

Blackberry’s Patent Refusal Set Aside by Delhi High Court

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The Delhi High Court has set aside the Indian Patent Office’s refusal of Blackberry’s communication patent application. Citing a lack of reasoning and violation of natural justice principles, the Court directed a fresh evaluation of the amendments and remaining objections under the Patents Act.

Astrology Meets IP – Zodiac Strategies for the Week Ahead (May 18–24)

In this week’s IP-Astro edition, we take a fun and imaginative look at how each zodiac sign might symbolically approach intellectual property decisions as the Sun enters Gemini. From brand protection to licensing, these reflections are meant to spark creative thinking around IP—not to be taken as serious astrology or legal advice. It’s all in good spirit and for entertainment only!

AI Accessibility Tools and Innovations for Persons with Blindness – GAAD 2025

The image shows how AI is assisting a person with blindness with AI enabled specs and cane to cross a road.

On the occasion of Global Accessibility Awareness Day (GAAD) 2025, some of the global tech giants showcased AI accessibility tools designed to support persons with blindness. These innovations include Braille notetaking, smart glasses, AI-powered screen readers, and inclusive shopping apps. This post highlights how these tools are enhancing digital access and independence.

Indian IP Office Schedules Stakeholder Meetings in Kolkata and Chennai on Draft CRI Guidelines

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The Indian IP Office has scheduled in-person stakeholder meetings in Kolkata and Chennai, after the success of sessions in Mumbai and Delhi. to gather feedback on the Draft Guidelines for Computer Related Inventions (CRI). The initiative will allow stakeholders to share their inputs before the finalisation of the CRI policy framework.