"from the purview of" is a correct and usable phrase in written English.
The phrase typically means "from the perspective of" or "from the point of view of," and it is typically used in a sentence when discussing a certain point of view or opinion. For example, you could say: "From the purview of a medical professional, smoking is dangerous and should be avoided whenever possible."
Because the GAO principally monitors the programs of the executive branch, it is specifically removed from the purview of the executive.
The Supreme Court has twice taken up that challenge and forced the Administration to change tactics; the new law represented a final attempt to remove the detainees from the purview of the Court.
They were everywhere: from Guantánamo Bay to Afghanistan, Baghdad, Basra, Ramadi and Tikrit and, for all we know, in any number of hidden jails affecting "ghost detainees" kept from the purview of the Red Cross.
For example, government leaders initially sought to exclude the office of the prime minister from the purview of the Lokpal; under the bill, the prime minister is included, with some caveats.
Although the division of labour is highly efficient, it can lead to a number of harmful organizational pathologies; for example, units or individuals may be unable to identify and respond adequately to problems outside their competency and may approach all problems and priorities exclusively from the purview of a unit's specific capabilities.
It's worth recalling that Mitt Romney wants to remove carbon from the purview of the Clean Air Act.Joe Scarborough, the host of Morning Joe on MSNBC and former Republican congressman, thinks the Democrats have outdone the Republicans.He tweeted: "Game.Set.Match.Democrats crush Republicans in convention wars".
Over the last several years, VR has moved from being the purview of the military and aviation to the mainstream of professional development, as managers, instructors, coaches and therapists have claimed increasing benefit from immersive experiences.
Meanwhile, the securities markets have gone from being the purview of a wealthy few to the primary means by which Americans save for retirement.
The value of Wiener Werkstätte jewelry came not from the raw materials but from its aesthetic, the purview of artists and designers, and its craftsmanship, handled by the workshop's expert artisans.
American efforts to shield peacekeepers in East Timor from coming under the purview of the new court were first reported this week by The Washington Post.
In an unusually aggressive foray into the Senate floor debate on Wednesday, President Obamaissued a statement in opposition to another Republican amendment, by Senator Sam Brownback of Kansas, that would exempt auto dealers from coming under the purview of a proposed new Consumer Financial Protection Bureau.
