The phrase "allegedly developed" is correct and usable in written English.
It can be used when discussing something that is claimed to have been created or produced, but without definitive proof.
Example: "The new software was allegedly developed by a team of experts in artificial intelligence."
Alternatives: "reportedly created" or "supposedly designed."
Mehdi Rajabian, the website's founder, is feared to be suffering from muscular dystrophy which he has allegedly developed after facing rigorous interrogations.
Bentham went farther and argued that a system in which judges allegedly developed legal doctrine on a case-by-case basis was also not capable of guiding the conduct of persons to whom it applied and therefore did not qualify as law.
IBM has allegedly developed a new type of digital storage that could greatly increase the capacity of portable devices, while reducing their price.
Astonishingly, Woods allegedly developed a voracious gambling appetite, so much so that he reportedly had a $1-million 1-million limit
In 2008, there were rumors of a three-dimensional Kid Icarus game for the Wii that was allegedly developed by the German American studio Factor 5.
Sega allegedly developed a variant of the Saturn featuring a built-in NetLink modem under the code name "Sega Pluto", but it was never released.
NVIDIA is known primarily for their PC graphics cards, but they've been in the news recently both for the expansion of their CUDA and PhysX initiatives as well as (allegedly) developing a CPU to challenge Intel and AMD.
CSC is also in the news right now for allegedly developing billing fraud schemes, alongside the City of New York itself, that may have defrauded New York State's Medicaid system.
You can control it with pretty standard RC input on your smartphone, tell it to do stuff with a voice-recognition mode, or let it wander around your house, bleeping and blooping like it has feelings and an allegedly developing "personality" or something.
The Economist has drawn attention to some of the testing practices developed by allegedly independent testing organizations "to win clients".
In 2009, the city was sued by a non-profit organisation for allegedly refusing to develop low-income housing on its west side, preferring it be built on the poorer east side.
