[6] On August 23, 2021, Koprivica officially signed a three-year deal with his hometown and his father's former club Partizan, under head coach Željko Obradović.
[8] In his debut season with the club, Koprivica averaged 5.2 points and 3.9 rebounds over 33 ABA League games, but Partizan failed to lift any trophy.
On August 11, he made his debut in the Summer League in a 111–91 loss to the Houston Rockets in which he posted 2 points and a rebound in 4 minutes.
[14] On July 18, 2024, the draft rights for Koprivica were traded from the Clippers to the Utah Jazz as part of a deal centering on Russell Westbrook and Kris Dunn.
[15] Koprivica was a member of the Serbian U-18 national basketball team that won gold medal at the 2017 FIBA Europe Under-18 Championship,[16] with Marko Pecarski as teammate.
Thirty years earlier, their respective fathers Slaviša Koprivica and Miroslav Pecarski had played together for the Yugoslavia under-19 national team, winning gold at the 1987 FIBA Under-19 World Championship.