The phrase "alleges that while the" is correct and usable in written English.
It can be used in legal or formal contexts when discussing claims or accusations made by one party against another.
Example: "The plaintiff alleges that while the defendant was driving, he failed to stop at the red light."
Alternatives: "claims that during the" or "asserts that when the".
The indictment alleged that, while giving answers to questions on her U.S. citizenship application in 2004, she did not disclose her arrest by the Israelis in Palestine from almost 40 years earlier.
Specifically, the complaint alleges that while in possession of information indicating that the company's third-quarter 2000 would produce disappointing results, defendants told analysts that the company's third-quarter 2000 projections were on track to meet consensus estimates".
He alleges that, while inside the vehicle and surrounded by other officers, he was assaulted, his head pushed against the van window.
One report on the Square Bird alleged that "while smooth and comfortable for freeway travel, it is not particularly maneuverable.
The documents further allege that while the flower company employed the two, The Home Depot supervised them at job sites.
In March 2008, Konnan sued TNA for racism and discrimination, alleging that while the company said that they would help pay for his hip replacement surgery, they did not.
In a suit filed Wednesday in Cook County Circuit Court, Sarah Thienes alleges that, while ordering from the drive-thru early one morning, a Golden Arches worker denied her a cheeseburger in an "aggressive and unfriendly tone" because only the breakfast menu was available.
Nissan also alleges that while Carolina Re lacked the funds to pay its obligations, Sabbah and Kornfeld had managed to extract, over the years, on the order of $400 million in the form of commissions and dividends from their companies.
The SEC alleges that while ACA did not know that fund manager John Paulson wanted to create the instrument so that he could bet against the sub-prime mortgage market, Tourre and his employer Goldman Sachs did.
The memorandum alleges that, while Ferguson's defense team portrayed him as an African-American businessman who advocated for other minority-owned businesses in the city, his monopoly on contracting work handicapped other black-owned contracting companies in the city -- and even put a few of them out of business.
