Commercial law or business law is the body of law which governs business and commerce and is often considered to be a branch of civil law and deals both with issues of private law and public law. Commercial law regulates corporate contracts, hiring practices, and the manufacture and sales of consumer goods.

Corporations law or corporate law is the law concerning the creation and regulation of corporations. A corporation is a group of people which are legally treated as a person; the corporation can own property, sign contracts, sue, and be sued. Corporate law refers to the law governing the relationships among shareholders and management.

Investment law practice addresses issues of purchase and sale transaction involving public and privately held businesses, mergers, acquisitions and dispositions of assets, stock sales and exchanges, roll-ups, acquisitions and dispositions of partnership interests and joint venture interests, tender offers, re-capitalizations and similar business combinations.

The body of laws governing the issuance and selling of securities.