The phrase "after alleging" is correct and usable in written English.
It can be used when referring to actions or events that occur following an allegation or claim made by someone.
Example: "The investigation continued after alleging misconduct by the employee."
Alternatives: "following the allegation" or "subsequent to the allegation".
One of them, Yuliya Stepanova, fled Russia in 2014 after alleging widespread doping.
Supermodel Lara Stone today announced she is taking legal action after alleging that unauthorised photographs appeared in French Playboy.
Lawyers said the number of people making compensation claims after alleging they were abuse victims had risen above 200.
Maduro recently declared a 60-day state of emergency, after alleging that his opposition was conspiring to launch a coup.
2009 Rosemarie Corscadden lost her £5m claim against Crédit Agricole, after alleging her boss had had made sexual advances towards her.
A woman has been arrested in the capital of Somalia after alleging in an online video interview that she had been raped by a colleague at gun point.
See articleYulia Tymoshenko, the imprisoned Ukrainian opposition leader, went on hunger strike after alleging that she had been beaten and forcibly transferred from prison to a hospital.
In 2003, another employee won a jury award of $11.2 million after alleging he was also wrongfully fired because he was gay.
Two other female employees received hundreds of thousands of pounds each after alleging that Green had grabbed one woman by the face and put another in a headlock.
Scarlett Johansson warned of another incident "like Princess Diana" after alleging she was pursued through Los Angeles by a group of paparazzi.
The FBI was searching for records related to two women who received payments in 2016 after alleging past extramarital affairs with Trump, among other documents.
