Mammoth Hockey’s Bold Legal Move Shakes Utah Sports Scene—What’s Really Behind the Name Fight?

The NHL’s Utah franchise is facing another trademark challenge to its team name.

Mammoth Hockey LLC, a hockey equipment bag manufacturer based in Portland, Oregon, has filed a motion for a preliminary injunction in U.S. District Court in Utah to “protect its long-established brand against use by the NHL’s new Utah franchise, which adopted the name ‘Utah Mammoth’ on May 7, 2025.”

This motion, filed on Sept. 25, is a counterclaim against the Utah Mammoth‘s owners. Uyte and Smith Entertainment Group Hockey filed a motion on Aug. 1 to end any trademark dispute with Mammoth Hockey LLC, which they said had made threats of litigation since the NHL team was officially named. That included a cease and desist letter.

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