When it comes to achieving multimillion-dollar verdicts in civil rights cases, Jon Loevy has been on a roll since he opened his firm 18 years ago.Loevy, co-managing partner of Loevy & Loevy, a 30-lawyer firm, has won more than $125 million in jury verdicts for clients since 1997. That includes prevailing in 20 out of his last 22 jury trials and 13 jury verdicts of $1 million or more.Those victories include a $28 million federal jury verdict in 1999 against the city of Chicago and awarded to Joseph Regalado. The suit …