The phrase "after having served time" is correct and usable in written English.
It can be used to refer to someone who has completed a prison sentence or a period of incarceration.
Example: "After having served time, he was determined to turn his life around and make better choices."
Alternatives: "after completing a sentence" or "after finishing his time".
As a boy and young man he knew Whitney after he had served time in prison.
Nike stuck by Tiger Woods in the wake of his infidelity and gave Michael Vick an endorsement deal after Vick had served time in prison for his role in a dogfighting ring, which included killing dogs that underperformed.
The then attorney general, Jesús Murillo Karam, said Guzmán would be sent to the US only after he had served time for all his crimes in Mexico – in "about 300 or 400 years".
When the Eagles signed quarterback Michael Vick in 2009 after he had served time in federal prison for his role in a dogfighting operation, Reid said he was moved to consider Vick, in part, because of the second chances offered to his sons.
The suspension gives the N.F.L. the flexibility to reconsider Vick's suspension at every step: after he is sentenced; if charges are brought in Surry County, Va., where Vick owned the property on which the kennel was located; or after he has served time.
The reentry courts would supervise and support people after they've served time in jail, in an effort to reduce recidivism.
According to news accounts here, the brothers had served time after being convicted in connection with violent crimes unrelated to terrorism.
Moreover, studies have shown that minors who have gone through the juvenile system, with its emphasis on rehabilitation through counseling, mentoring, education and vocational training, are less likely to be arrested again after being released than those who have served time in ordinary prisons.
After Haas had been accepted, Schindler's men found that he had served time for embezzlement.
He had served time in prison.
