The phrase "are knowledgeable of" is correct and usable in written English.
You can use it when expressing knowledge or familiarity with something. For example: "We are knowledgeable of the risks associated with this project."
The opposition to interstate practice stems largely from the anachronistic, xenophobic legal industry in each state; it no longer has anything to do with providing the public with lawyers who are knowledgeable of local law, custom and practice.
We cannot expect to have a diverse judiciary and magistracy, and to recruit police officers, probation officers, prison officers and lawyers who look like us and are knowledgeable of our communities, if we are forced to operate in a system that is itself unwilling or unable to deliver justice equally to all.
Two of the probes are knowledgeable of the universe as it is fifteen thousand years from now; the other, Pioneer 9, which was launched from Cape Canaveral, in 1968, is just waking up to that world — and the reader, after a lot of scrolling, learns the details along with it.
Profile-TMMi: compound by 25 subjects that are knowledgeable of TMMi.
Profile-MR-MPS: compound by 20 subjects that are knowledgeable of MR-MPS and use this reference model in practice.
Results show that, paradoxically, consumers under low involvement conditions may reach deeper levels of information processing as long as they are knowledgeable of the product advertised and they perceive low risk in it.
The Nigerian official, who is knowledgeable of the discussions, said the Independent National Electoral Commission would announce the postponement later on Saturday.
To stay on top of your game and relevant in today's market you have to be knowledgeable of current trends.
But on an array of issues, discussed over six months of interviews with The Times, he showed himself to be knowledgeable of Taliban activities, and the information he provided matched up consistently with that of other sources.
"Judge Sotomayor is knowledgeable of the law, would be a fair and impartial judge and seems to have a good understanding of the limited role the judiciary plays in our democracy," Mr. Martinez said.
Along the same lines, the Times article quotes an unnamed official who is "knowledgeable of chamber energy policy," saying, "Companies with the largest contributions tend to hold more sway with chamber staff on setting final policy positions".
