IndiGo, India's biggest airline, has sued automaker Mahindra and Mahindra for trademark infringement over its use of "6E" in branding its latest electric vehicle, legal papers show. Mahindra in a stock exchange filing,

The dispute concerns IndiGo’s trademark “6E,” registered under Classes 39, 16, 9, and 35, primarily for airline services, transport, and advertising, and Mahindra’s use of “BE 6e” under Class 12 for vehicles,

In a filing with the stock exchanges, M&M said that it does not see any conflict with IndiGo pertaining the trademarks, and that along with MEAL, it is in talks with the airline to arrive at an “amicable solution”.

IndiGo claims "6E" is not only its official designator, but also a key element of its branding, covering a range of services like 6E Prime, 6E Flex, and add-ons

InterGlobe Aviation said that the “6E” mark is an integral part of IndiGo’s identity for the past 18 years and is a registered trademark that holds strong global recognition. Any unauthorised use of the “6E” mark,

Mahindra & Mahindra has issued a statement regarding news circulating in mainstream media about IndiGo’s trademark infringement lawsuit over the alleged use of the airline’s iconic ‘6E’ branding. The dispute centres around the ‘BE 6e’ an upcoming electric SUV unveiled by Mahindra Electric Automobile Limited (MEAL),