Since about 1800 most countries have brought their legal professions under systems of statutory control with three main principles: (1) admission to practice automatically and compulsorily makes the lawyer a member of an appropriate professional association, (2) those associations are given substantial powers regarding legal education, admission to practice, and the disciplining of the profession but are subject to overriding powers vested in the courts and/or (especially in the Romano-Germanic systems) government legal departments, and (3) the practice of law for reward is prohibited—generally or as to particular functions—to persons not admitted under the system. More than half of the U.S. states have such a system, which is known as the “integrated bar”; in the other states bar associations are voluntary and have few controlling powers. England has retained the traditional Inns of Court (in whose management the judges play a leading role) for barristers, but solicitors are subject to a statutory system as above. In some countries (e.g., France), professional organization is regionalized to correspond with judicial organization, and in some federal countries (e.g., the United States, Canada, and Australia), professional control is vested in the states; such situations create the problem of a national organization that is generally a voluntary federation of regional bodies and therefore lacking in compulsive authority. The American Bar Association, established in 1878, is a leading example. In other federal countries (e.g., Germany and India), the central government has created national law associations responding to the need for a system of control. The law associations, apart from the functions already mentioned, help their members to understand and apply professional ethics, and they develop canons of ethics to cover new problems. They are often active in the prohibition of legal practice by unqualified persons, which tends to bring them into dispute with other professions—e.g., tax accountants and land salesmen—whose members wish to perform legal functions in relation to their tasks and often have considerable knowledge of the relevant law.

Where the profession is divided, it is usually possible to transfer from one branch to another, though sometimes after delay or additional training. In many of the Romano-Germanic systems, however, professional mobility is severely restricted by another factor—numerical limits on the numbers admitted to a branch of the profession. There are usually limits on the numbers of procurators and notaries, and in some cases, notably the highest French courts, advocate and procurator functions have been combined for a particular jurisdiction and a limit has been placed on numbers; otherwise, the number of advocates is generally not restricted. In the restricted cases a person admitted to practice can work in the profession only as an employee of an existing practitioner or after buying out such a practitioner.

The opportunity to enter or pursue the profession can also be much influenced by the varying national rules regarding legal partnerships. They are prohibited for English barristers and for most divided bars derived from that system and among some of the Romano-Germanic specialized advocates and notaries. In France law partnerships are permitted, and the proportion of lawyers practicing in this manner is constantly increasing. Incorporation of legal practitioners is almost universally prohibited. These restrictions result from the emphasis on personal responsibility of the individual lawyer to his client, to the court, and to the ethical system. In countries with fused professions, however, partnership is usually permitted. Law firms in Germany and Japan, for example, historically tended to be small, though that situation is changing. Even in the United States, single-person practices and small partnerships are still common, though the overall trend has been toward the growth of larger firms.

The situation in developing countries

Arguably, the challenges to the independence of the bench and bar described above have been even more acute in the developing world, perhaps because the institutions that might support an independent judiciary are newer and more fragile. Since the epochal geopolitical changes of the late 20th century, including the collapse of Soviet communism and the end of apartheid in South Africa, extensive efforts have been under way in many countries to build an independent bench and bar as part of larger programs aimed at strengthening the rule of law and fostering the development of democracy and free markets. Often these programs have received considerable assistance from foreign governments, major foundations, and multilateral organizations such as the World Bank. The process, however, is slow and uneven, in part because the idea of insulating the judiciary from direct political influence is a new one in some parts of the world, as is the notion that lawyers have an obligation to defend unpopular clients in the broader public interest.