The U.S. Supreme Court ruled 5-4 to uphold district lines the N.C. General Assembly redrew in 1997, overruling a March 2000 lower court ruling that the district was unlawful.
The Supreme Court ruling concludes nine years of litigation regarding the district, which opponents said was drawn primarily along racial lines to elect a minority representative.
N.C. politicians from both sides of the aisle say the ruling will help guarantee more equal representation for the state's minority residents.
But Duke law Professor Robinson Everett, who initially filed the lawsuit against the state in 1991, predicts Wednesday's ruling will create a loophole for racial gerrymandering.
"It really opens up the flood gates for evasion," Everett said.
The 12th District stretches 71 miles along Interstate 85, including the downtown areas of Charlotte, Greensboro and Winston-Salem, which have heavily concentrated black populations.
Although Everett does not believe race can be excluded from political considerations, he said it should not be the primary motivation for drawing districts.
"It's pretty hard to separate race from politics," he said.
But Sen. Frank Ballance, D-Warren, chairman of the Senate Redistricting Committee, said the ruling will prove to be a positive move for the state and the nation in future redistricting decisions.