A 6'4" shooting guard born in Yonkers, New York, during his senior season of 2013–14 with the Cincinnati Bearcats, he was named AP first-team All-American.

[1] Kilpatrick starred at White Plains Senior High School, where he averaged 28.4 points, 7 rebounds and 6 assists per game over his four-year career.

[2] Kilpatrick redshirted what would have been his freshman season at Cincinnati in 2009–10, as he played the same position as top recruit Lance Stephenson.

As a junior in 2012–13, Kilpatrick again raised his scoring average as he tallied 17 points per game and repeated on the second team All-Big East squad.

[4] At the beginning of his senior season, Kilpatrick was named preseason first team all-conference by the American Athletic Conference.

[5] On February 19, 2014, Kilpatrick passed Steve Logan for second all-time in Bearcats scoring history (behind Oscar Robertson).

[12] On November 3, he was acquired by the Santa Cruz Warriors of the NBA Development League as an affiliate player of Golden State.

[13] On January 21, 2015, Kilpatrick was traded to the Delaware 87ers, along with a first-round pick, in exchange for Ronald Roberts and the returning player rights to Darington Hobson.

[15] He made his NBA debut later that night, recording one rebound in 10 minutes of action as the Timberwolves defeated the New York Knicks 95–92 in overtime.

[38] On October 28, 2016, Kilpatrick scored 18 points against the Indiana Pacers to record double figures in 21 of his first 25 games as a Net.

[40] On November 9, in his first career start,[41] Kilpatrick scored in single figures for the first time in 2016–17, finishing with seven points, four rebounds and five assists in 28 minutes in a 110–96 loss to the New York Knicks.

[42] On November 29, he scored 31 of his career-high 38 points after the third quarter, as the Nets stopped a seven-game losing streak with a 127–122 double-overtime victory over the Los Angeles Clippers.

[43] On December 7, 2017, following the trade in which Brooklyn acquired Jahlil Okafor and Nik Stauskas, the Nets waived Kilpatrick.

Sean helped Panathinaikos to win another Championship, the 38th and third in a row for Greens, having 8.1 points, 1.9 rebounds, 1.6 assists and 0.7 steals in 20.3 minutes per game.