When Your Own Patents Anticipate You: The Sulzer Mixpac Mixer Case
Sulzer Mixpac appealed the rejection of its static mixer patent to the Delhi High Court, arguing its own prior patents did not anticipate the claimed design. The court…
Inventive Step
72 articles
Seeing Red! How BlackBerry’s Messaging Patent Failed India’s Section 3(k) Technical Effect Test
The Delhi High Court dismissed BlackBerry's appeal against the refusal of its patent for colour-coding email recipients on handheld devices, holding that the invention lacked inventive step and…
Patent or Design? Court Sends Titan’s Jewellery Assembly Case Back to the Drawing Board
Titan Company Limited took its rejected “Jewellery Assembly” application to the Madras High Court, testing whether a cost-saving gemstone arrangement was patent or design subject matter. Did the…
When Six Herbs Walked Into the Patent Office and Synergy Did Not Show Up
In the case of Shaafi Naturcure LLP v Assistant Controller of Patents and Designs, the applicant claimed that six known herbs, when combined in specific proportions, produced a…
3(d) or Not 3(d): That Is the Question Delhi HC Refuses to Answer – For Now
Daewoong Pharmaceutical challenged the Controller's rejection of its crystalline SGLT inhibitor patent before the Delhi High Court. The core question: does improved dissolution and stability satisfy the Section…
Absorbable Stent and the Hindsight Trap in Inventive Step Analysis
In the case of Biotyx Medical Shenzhen Co., Ltd. v. Assistant Controller of Patents and Designs, the Delhi High Court dealt with a familiar patent question: can an…
Prescription Without Diagnosis: Court Remands Patent Refusal for Medical Research Engine
The Bombay High Court, in Navya Network Inc. v. Assistant Controller of Patents and Designs, set aside a patent refusal for a "Medical Research Retrieval Engine," ruling that…
Dung Deal: Delhi High Court Remands Cattle Manure 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…
Voicemonk Patent Prevails Over Flipkart: Innovation vs Opposition
Voicemonk Patent prevails over Flipkart in a key patent dispute, clarifying novelty, inventive step, and Section 3(k) under Indian patent law
Fair Hearing First: Delhi HC Sets Aside Patent Refusal Over New Grounds in Order
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…