The phrase "in flagrant violation" is correct and usable in written English.
You can use it to describe a situation where a law or rule has been flagrantly violated, with no attempt to conceal it or to deny it. For example: "The company's failure to adhere to workplace safety regulations was an in flagrant violation of the law."
Three days later, a Superior Court judge, Roland D. Fasano, directed that Mr. Donovan appear in court on Oct. 19 to respond to the assertion that his comments were "in flagrant violation" of the no-comment order.
All of this has been done in flagrant violation of the U.N. Security Council resolutions.
However, the axolotl never develops through a stage with internal gills; its gills remain external in flagrant violation of ORP.
A Navy statement described the pre-dawn collision as occurring in Greek national waters in flagrant violation of international law.
They added that in continuing to enrich uranium, despite Western concerns that it is aiming for a bomb, Iran was "acting in flagrant violation of its international obligations".
In flagrant violation of international law, Israel then imposed a blockade (still in force today) on the 1.8 million inhabitants of Gaza.
The executive branch has usurped much of the legislative branch's law-making powers, in flagrant violation of the framers' intended separation of powers.
Their orbits around Jupiter were in flagrant violation of the Ptolemaic system, in which all celestial objects must move around Earth.
The sound premise upon which these holdings rested is that men incarcerated in flagrant violation of their constitutional rights have a remedy.
We have employed torture as an instrument of policy, in flagrant violation of the rule of law, and declined to punish or prosecute the policymakers who authorized it.
The problem is that these debris dumps lay the ground for illegal reclamation of land, in flagrant violation of a law restricting construction on coastal areas.
