The phrase "already been utilized" is correct and usable in written English.
It can be used to indicate that something has been used or employed prior to the current moment or context.
Example: "The resources for this project have already been utilized, so we need to find additional funding."
Alternatives: "previously used" or "already employed".
Much land has already been utilized in some manner for logging.
Nuclear reactors have already been utilized in many of the nuclear operating countries for supplying energy for district heating, seawater desalination, and other industrial processes.
As a consequence, several existing and well-known multi-factor authentication strategies have already been utilized to enhance the security of various applications.
The headset systems have already been utilized across Stanford University's athletic programs.
This has already been utilized in the past, e.g., in the context of population-averaged input curves ([5, 7]).
The shift from Pyxis Mobile to Verivo has been 16 months in the making, so the platform has already been utilized by several clients beyond financial services.
For those who have already been utilizing the Back-Door Roth IRA, the IRS's public statement provides reassurance that they will not be the subject of future IRS scrutiny due to the transaction.
The company has already been utilizing the tech over the past several months to detect content-policy violations, surface M Suggestions in Messenger and power its Recommendations feature across several languages.
More than 90 scholars from Jesuit institutions across the world contributed to the project, which is already being utilized by educators in more than 40 cross-curricular classrooms teaching biology, theology, social science, fine arts, and public health courses.
By employing this type of architecture, clients are able to move to a new authentication vendor, use physical access devices already being utilized for other purposes, and use multiple types of authentication methods across a company's network.
This new genre of marketing is most commonly referred to as influencer marketing and, while it's already being utilized by many brands around the world, gaming brands are taking it to an entirely new level.
