Professional ethics in law refers to the moral principles and standards that guide the behavior and conduct of legal professionals. It encompasses the values and obligations that lawyers and legal professionals must adhere to, including their interactions with clients, opposing parties, and the court. Professional ethics in law is based on the principles of serving the interests of consumers of legal services, acting in the interests of justice, and acting with integrity and accountability.

The Rules of Professional Conduct define advocacy and representation, hourly and contingent fee agreements, and attorney-client privilege. Conflicting responsibilities are encountered in the nature of law practice, and the Rules of Professional Conduct often prescribe terms for resolving such conflicts. Every lawyer is responsible for observance of the Rules of Professional Conduct, and a lawyer should also aid in securing their observance by other lawyers.

Legal ethics can refer to a higher set of norms that lawyers should follow that may not be required by set legal rules. While codes try to include some of these broader principles, the model legal rules tend to be considered a floor of expected requirements of lawyers. Legal ethics can refer to the broader principles lawyers should strive for to ensure the protection and adequate representation of clients.

Professional ethics play a crucial role in the legal profession, serving as the foundation for upholding the rule of law and justice. Upholding ethical standards ensures that justice is not only served but also perceived as fair and unbiased. Legal professionals contribute to a just and orderly society by upholding the rule of law and maintaining public trust and confidence.