"establishment law" is a correct and usable phrase in written English.
It generally refers to a law or set of laws that regulate the establishment of certain institutions. For example, "The government has passed a new establishment law that requires all businesses to obtain a license before setting up shop."
In Ferguson, that amorphous "them" denotes the establishment: law enforcement, local government, business owners.
Mr. Flom's rejection by establishment law firms forced him into new areas, like work on lucrative hostile corporate takeovers.
George Orwell remarked in an essay on Dickens, from 1939, that though Dickens had attacked the entire British establishment (law, parliament, nobility, educational system, etc)., no one was personally mad at him.
Kent B. Alexander, a Democratic lawyer who now serves as general counsel to Emory University, was recruited by Mr. Thompson both to the United States attorney's office and to King & Spalding, Atlanta's most establishment law firm.
Washington's permanent establishment — the law firms, the lobbyists, the research institutes, the media — was also heavily Democratic.
In the late Middle Ages and in Tudor and Elizabethan times the establishment of law and order in the Marches (the politically unstable area along the border), along with the trade in Welsh wool and flax, brought great prosperity.
At the meeting, Bremer explained that he saw Phase One of the transition as the uprooting of the Baathist regime and the establishment of law, order, and basic services.
The most general statement of Establishment Clause law is the so-called Lemon test.
According to the Convention of the Rights of the Child, States should promote the establishment of laws, procedures, authorities and institutions specifically applicable to children accused of violating the law.
In the beginning, Pashtuns were happy with the Taliban's re-establishment of law and order and of a Pashtun regime in Kabul.
South of Utah in Arizona, the political establishment, top law-enforcement officers and voters have lined up behind a radical go-it-alone strategy to uproot and terrorize unwanted immigrants.
