Just a day after WordPress hosting service WP Engine sent a cease-and-desist notice to Automattic asking its CEO to stop publicly trashing WP Engine, now Automattic has sent its own cease-and-desist letter to WP Engine, saying the latter has infringed several trademarks like WordPress and WooCommerce.

Hosting provider WP Engine has sent a cease-and-desist letter to Automattic over Matt Mullenweg's derogatory remarks on the company.

WP Engine C&D cites Mullenweg's "coercive threats" of "scorched earth nuclear approach" if tens of millions of dollars not paid

Mullenweg, who co-created WordPress, last week criticized WP Engine for raking in profits without giving much back to the open source project.