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‘No monopoly on alphabet’: Delhi High Court denies pharma giant Alkem protection for ‘A TO Z’ mark

A TO Z trademark dispute: Justice Karia said that the petitioner's marks and the impugned mark are neither identical nor deceptively similar; the petitioner does not have exclusive right to use letters ‘A’ and ‘Z’.

Delhi High Court was hearing a plea filed by Alkem Laboratories LimitedDelhi High Court News: Delhi High Court was hearing a plea filed by Alkem Laboratories Limited. (Image enhanced using AI)
Written by: Jagriti Rai
4 min readNew DelhiJan 21, 2026 09:48 AM IST First published on: Jan 20, 2026 at 06:25 PM IST

Delhi High Court News: While rejecting the interim protection to the mark ‘A TO Z’ used by pharmaceutical company Alkem Laboratories Limited, the Delhi High Court has said that the use of the letters ‘A’ and ‘Z’ in any manner whatsoever cannot be monopolised through trademark law.

Justice Tejas Karia was hearing a commercial suit filed by Alkem Laboratories Limited against Prevego Healthcare and Research Pvt Ltd, seeking a permanent injunction to restrain the alleged infringement of Alkem’s registered trademarks, copyright, and trade dress.

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Delhi High Court was hearing a plea filed by Alkem Laboratories Limited Justice Karia said that the petitioner’s mark, ‘A TO Z’, is descriptive and generic.(Image enhanced using AI)

“The petitioner cannot be allowed to monopolise the use of the letters ‘A’ and ‘Z’ by seeking exclusivity over the right to use the letters ‘A’ and ‘Z’,” the court observed.

Jagriti Rai works with The Indian Express (Digital), where she write... Read More

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