These startups both released groundbreaking induction stoves. Now they’re embroiled in a lawsuit

Copper, a startup behind an induction stove with a hidden battery, sued Impulse Labs today for patent infringement.

[Photos: Impulse, Copper]

Impulse, a sleek induction stove that began shipping to customers last year, advertises itself as “unlike any other induction stove ever made.”

But that product is now at the center of a legal fight.

Copper, another company making next-generation induction stoves, sued Impulse on Friday in federal court in Delaware for patent infringement. At the center of the dispute is a shared design choice: Both companies build stoves with batteries tucked inside, a........

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