The town formerly known as Barrow countered that publishing notices in a newspaper for elections is optional for anything but tax-related ordinances.
Attorneys for the two sides gave their arguments in a court hearing in the town whose voters approved the new name, Utqiagvik, by six votes last October.
The lawsuit was filed by a local Alaska Native corporation, Ukpeagvik Inupiat Corp., just before the new name became effective in December.
Matt Singer, an attorney for the corporation, asked the court to pause implementation of the name change until the case is resolved.
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Attorney Louann Cutler, who's representing the city, said the plaintiffs presented a "hypertechnical argument" about notifications. She said the city has a long history of posting notices at seven known places around town.
Superior Court Judge Paul Roetman said at the end of the nearly three-hour hearing that he will consider the case and issue a decision today on whether to temporarily halt the name change.
Suvlu has said the council rejected her proposal after locals had several opportunities to address the issue.
City Council member Qaiyaan Harcharek, who is Inupiat on his mother's side, introduced an ordinance in August that began the process ultimately ratified by voters. He has said the new town name essentially means a place for gathering potatoes.