Case Reviews | Intellepedia

Patent for Enzyme-Based Animal Feed Supplementation Cleared of Section 3(i) Refusal

Cows feeding on hay in a livestock enclosure with an overlaid banner text that reads "Feed Supplementation Not A Method of Treatment".

The Madras High Court has allowed Kemin Industries’ patent on an enzyme-based animal feed method, overturning the Controller’s Section 3(i) refusal. The Court ruled that the method involves feed supplementation rather than treatment, confirming novelty and inventive step in the process.

Anti-Cancer Patent Refusal Set Aside for Not Identifying ‘Known Substance’

A colourful collage of sticky notes spelling out the word "UNKNOWN" is placed against a green and black background, with a blurred field of black question marks in the backdrop symbolising ambiguity and lack of clarity.

In a recent ruling, the Delhi High Court overturned the rejection of an anti-cancer patent filed by Taiho Pharmaceutical. The Court highlighted that objections under Section 3(d) must explicitly state the “known substance” being referenced and directed a fresh hearing for proper assessment.

All May Use “One for All” — But None May Own It

A digitally illustrated banner features the Three Musketeers in the center, wearing blue tunics with white crosses, brown gloves, and wide-brimmed hats, each holding a rapier. On the left side of the image, the phrase “ONE FOR ALL” appears in a playful white font, while “ALL FOR ONE” is displayed in matching style on the right. The background is a dark muted green, creating contrast that highlights both the figures and the text

In a recent decision, the Delhi High Court dismissed an appeal by Oswaal Books and Learnings Private Limited (“Oswaal Books”) challenging the refusal of their trademark application for the phrase “ONE FOR ALL.” The Court upheld the Registrar of Trade Marks’ decision, and came to the conclusion that the applied mark was devoid of any inherent or acquired distinctiveness.

Not Just a Mix: Court Finds Merit in UPL’s Fungicidal Formulation

A red "REJECTED" stamp is shown on the left side, while a hand on the right holds a green reverse card from the Uno game, symbolizing a reversal of decision. The background is a soft peach color.

The Calcutta High Court set aside the rejection of a patent application filed by UPL Ltd., involving innovative fungicidal combinations. The Court found that the rejection order issued by the Controller lacked detailed reasoning and had procedural deficiencies, particularly concerning inventive step and treatment of experimental data.

Akebia’s patent for Anemia therapy gets fresh blood from Court

Illustration featuring the headline “Court infuses fresh blood into Patent for Anemia Therapy” alongside an image of a blood bag with a red tube.

In a recent case the Madras High Court upheld Akebia Therapeutics’ appeal on its anaemia treatment patent, interpreting Section 59 to allow claim amendments from treatment methods to compositions, as long as they’re disclosed in the original application. The case underscores the significance of well-documented specifications in pharmaceutical patents.

Isha Foundation Secures Interim Relief in Defamation Case, Next Hearing in September

Illustration showing a YouTube play button, legal gavel, and a calendar marked for September 9.

After securing interim relief in a defamation case involving a viral YouTube video, Isha Foundation awaits further proceedings now adjourned to 9th September 2025. No significant development occurred in the May session, and the interim order continues to apply.

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

Illustration of a peaceful, smiling monk in orange robes sitting cross-legged with eyes closed, surrounded by a yellow halo, under the curved text "It’s all about accepting the change" on a peach background.

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.

Can a Pre-Grant Opposition Survive After Patent Grant?

Text graphic with the phrase “Almost There!” in playful, rounded white font outlined in red, centered on a dark blue background.

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.

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

3D rendering of a blue virus particle surrounded by yellow antibodies, illustrating an immune response at the microscopic level

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

A farmer on a tractor ploughing a sunlit field, with a backdrop of green hills and a molecular structure overlay, symbolising agricultural innovation and chemical formulation.

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.