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Patents

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 examined whether the invention met the inventive step threshold under the Patents…

Gaurav Mishra · 29 Jul 2026

Trademarks

The ‘Principal choice’ is Officer’s Choice!

Allied Blenders and Distillers Limited took on a rival bottler’s “Principal Choice” mark in a fight over its famous Officer’s Choice trademark. With the…

Gaurav Mishra · 23 Jul 2026

Trademarks

Who is the best POSTMAN?

A two-decade fight between the Oomerbhoy family's 'POSTMAN' groundnut oil brand and a rival's 'Super Postman' mark reached the Delhi High Court, testing abandonment,…

Gaurav Mishra · 17 Jul 2026