SALT LAKE CITY, UTAH - MAY 7: Fans wait in line to purchase new team apparel after an introductory press conference announcing the Utah Mammoth as the permanent franchise name at Delta Center on May 7, 2025 in Salt Lake City, Utah. (Photo by Tyler Tate/Getty Images)
(Photo by Tyler Tate/Getty Images)
SALT LAKE CITY – Just months after their highly anticipated name reveal, the Utah Mammoth have engaged in a lawsuit against Mammoth Hockey LLC in an attempt to resolve a trademark dispute.
KSL Sports obtained a copy of the lawsuit filed on August 1, 2025. In the filing, Uyte, LLC and SEG Hockey, LLC are seeking a declaratory judgment to protect their new name and establish that the Utah Mammoth have not by any means, “infringed, diluted or violated any federal or common law rights” that would impact Mammoth Hockey’s business.
The NHL’s newest team has recently entered a trademark lawsuit.
All of the new Utah Mammoth logos 🦣#TusksUp pic.twitter.com/XETeG6Qm1g
— Cole Bagley (@BagleyKSLsports) May 7, 2025
In an effort to defend the validity of their new name, SEG Hockey and the Utah Mammoth are suing a “high-end hockey bag” seller known as Mammoth Hockey.
Related: Utah Hockey Club To Become Utah Mammoth As Team Announces New Name
Why?
Despite originally supporting the Utah Mammoth name publicly on their Instagram account and even inquiring about a potential collaboration via LinkedIn, according to the filing, Mammoth Hockey has since threatened litigation in “some unknown forum, at some unknown time,” as outlined in the lawsuit.
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(Lawsuit Document) Plaintiff provides screenshot of a LinkedIn message from the Defendant’s co-founder, sent to Rachel Moffitt, assistant to the President of Hockey Operations for Utah.
According to the legal documents, The Utah Mammoth and SEG have requested that the courts settle the trademark issue under the U.S. Declaratory Judgement Act.
Essentially, they want to put an end to Mammoth Hockey’s litigation threats and settle this matter before it really begins.
“The uncertainty created by [the bag company’s] actions, which has persisted for months, with no action as of yet, has become intolerable,” the lawsuit states.
Notably, an exchange of letters took place between the two organizations in June as Mammoth Hockey alleged SEG’s s use of the Utah Mammoth mark as a violation of their trademark rights and demanded they “cease use.”
SEG then responded, “Noting that Defendant had previously expressed support for the UTAH MAMMOTH name; that the parties’ marks, goods, and services are different; and that numerous third parties use “Mammoth” as a trademark for bags and related goods and services,” according to the lawsuit.
Mammoth hockey (the bag company) followed up, claiming potential confusion between the marks.
“[It’s] highly likely that consumers will confuse the two marks, risking our client’s business and operations. Hockey enthusiasts who pledge support for a team other than Utah Mammoth will not purchase goods from our client due to the consumer’s mistaken belief that such a purchase would support a rival team,” the bag company stated.
According to the filing, Mammoth Hockey also signaled that it planned to initiate legal action, but have yet to provide a complaint, forum or date.
In response to the lawsuit, SEG has issued the following statement:
“The Utah Mammoth filed an action in the U.S. District Court for the District of Utah seeking a declaratory judgment that use of the trademark Utah Mammoth does not violate any rights asserted by a third party,” SEG stated.
“Utah Mammoth and the NHL believe strongly that we have the right to use the name Utah Mammoth under federal and state law, and that our use will not harm the defendant or its business in any way. We have taken this action only after careful consideration based on the defendant’s position.”
Mammoth Hockey Co-Founder Erik Olson then issued this response to KSL Sports in regard to the lawsuit:
“I can tell you that Mammoth Hockey intends to vigorously defend the litigation recently commenced against it by Utah Mammoth of the National Hockey League and protect its longstanding trademark used in connection with the hockey goods it has manufactured and sold for the past ten years.”
