In a complaint filed in federal court in Manhattan on June 13, Duracell — which is owned by Warren Buffett’s Berkshire ...

Duracell has sued Energizer, accusing its rival of misleading consumers in a nationwide TV and online ad campaign about whose alkaline batteries last longer.

Duracell has filed a lawsuit against Energizer, accusing the rival battery maker of running a deceptive advertising campaign. In a complaint filed in federal court in Manhattan on June 13 ...

One YouTube ad features Energizer’s mascot, the Energizer Bunny, engaging in a head-to-head showdown with a battery that looks like a Duracell battery. “There’s no competition.

Duracell has filed a lawsuit against Energizer, accusing the rival battery maker of running a deceptive advertising campaign. In a complaint filed in federal court in Manhattan on June 13, Duracell — ...