Energizer’s fight with rival Rayovac over alleged trademark infringement related to packaging is over.

In December, Town and Country-based Energizer sued Madison, Wis.-based Spectrum Brands , the parent company of Rayovac, alleging Rayovac’s new package designs are confusingly similar to those used for Energizer batteries.

“Spectrum has recently begun a campaign to progressively and radically change the product packaging for its Rayovac batteries to closely mimic … Energizer,” Energizer had alleged in its lawsuit.

This week, Energizer filed a notice of dismissal in the case with the U.S. District Court, Eastern District of Missouri, and notified the U.S. Patent and Trademark Office that the case was settled.

Terms of the settlement were not disclosed, and a Spectrum spokesman and an attorney representing Energizer both declined to comment on the dismissal of the suit.

In February 2016, Energizer sued Duracell over Duracell’s use of a pink bunny on batteries sold in the U.S. that Energizer claims is too similar to its pink bunny mascot. Energizer maintains that it has federally registered trademarks in the U.S. for its bunny. That lawsuit remains pending.

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