The phrase "unprecedented concept" is correct and usable in written English.
You can use this phrase when referring to something that has never been seen or heard of before. For example, "The discovery of a new element was an unprecedented concept for scientists."
The incident has raised broader questions about the feasibility of the PoCs, an unprecedented concept in peacekeeping operations.
It's not an unprecedented concept.
In 1991, the birth of Adam Nash, the first genetically designed IVF "savior sibling", introduced this unprecedented concept.
But the new phenomenon of foreign fighters in unprecedented numbers, this concept of home-grown terrorists who have been battle-hardened in Iraq and Syria, is something we all have to deal with".
Metamaterials have opened up the possibility of unprecedented and fascinating concepts and applications in optics and photonics.
"That's an unprecedented broadening of the concept of war".
This case, the so-called AB and CD trial, where the Home Office and the Foreign Office wanted two anonymous defendants to be tried in secret, is an unprecedented affront to every concept of British justice as it has evolved over a thousand years.
In creating INPO, Lelan Sillin, chairman of the INPO board of directors and utility CEO stated to fellow CEOs: "In establishing INPO, the nuclear utility industry took the unprecedented step of embracing the concept of self- improvement and self-regulation.
Indeed, the years since 1989 have witnessed an unprecedented internationalization of current American concepts of freedom.
All of these experiments were failures, owing in part to the unprecedented nature of Ratke's concepts, in part to his limitations as an organizer and administrator, and in part to the hostility of the Roman Catholic Church, which wanted to maintain control over education.
Conglomerates have bought into the concept of core competence; unprecedented and industrywide rationalization and consolidation is transforming Indian business.
