The phrase "alleged prospect" is correct and usable in written English.
It can be used when discussing a potential opportunity or possibility that is claimed or reported but not yet confirmed.
Example: "The alleged prospect of a merger between the two companies has generated significant interest among investors."
Alternatives: "claimed opportunity" or "purported possibility".
15 In view of the doubts about the effects of the health checks scheme, and if the population-level intervention in England, reliant on voluntary action by the food industry, has as little impact as its critics allege, prospects look poor for containing the rise in prediabetes and reducing the numbers of people who will go on to develop diabetes.
In a lawsuit brought last year, the Consumer Financial Protection Bureau alleged that Corinthian duped prospective students into enrolling and taking out loans by falsely advertising future job prospects.
It has been plausibly alleged – and only half-heartedly denied – that the prospect of this new auditorium was the carrot to entice Rattle back home, but its scope extends far beyond acoustics.
Asked how he felt about the prospect of mass casualties, he is alleged to have said: "I want whoever is attending that event to leave, to leave either dead or injured".
Asked about the prospect of children being killed, he is alleged to have initially replied: "Yes, that is what I am looking for".
He alleged he lost a recruit to USC when, after the prospect's mother complained of a toothache, USC sent a dentist to her house.
It was set to begin with opening statements from both defence and prosecution that raised the prospect of Abdulmutallab personally explaining his actions and motivations around the alleged bombing attempt to the jury.
Back in 2015, pundits found it more comfortable to refer to then-Florida State quarterback Jameis Winston's alleged sexual assault as "off-the-field issues," and wonder how they would affect his NFL prospects.
One alleged multiple fraud case at Southwark crown court has already been boycotted by barristers, leaving defendants facing the prospect of representing themselves.
Witness too the prospect for the first time of an oligarch Alexander Smolensky, head of a failed bank being prosecuted for alleged corruption.
