New Delhi, Sept. 17 -- A trademark dispute has erupted between two of India's leading cement manufacturers, Adani-owned Ambuja Cements and JSW Cement, with Ambuja accusing its rival of copying its "Kawach" brand. Ambuja has filed a lawsuit in the Delhi High Court, alleging that JSW's "Jal Kavach" cement is a trademark infringement.

On Wednesday, Justice Manmeet Pritam Singh Arora heard the case and issued a summons to JSW Cement and its subsidiary, JSW IP Holdings Pvt. Ltd. While the court has referred the matter to mediation for a potential out-of-court settlement, hearings are scheduled to resume on 15 October, if no resolution is reached.

Ambuja's lawsuit seeks a permanent injunction to prevent JSW from using the name, the withdrawal...