Final answer:
The Robinson-Patman Act prohibits price discrimination and preferential treatment. The Trademark Act of 1946 provides protection for brand names and trademarks. The Federal Trade Commission Act prohibits unfair or deceptive acts and practices.
Step-by-step explanation:
The Robinson-Patman Act prohibits price discrimination that lessens competition, and it prohibits producers from giving preferential treatment to large buyers.
The act of Congress created to provide protection for and regulation of brand names and trademarks is the Trademark Act of 1946 (Lanham Act).
Any company that uses unfair or deceptive acts and practices, even if competition is not negatively impacted, would be in violation of the Federal Trade Commission Act.
Advertising of foods and drugs falls in the jurisdiction of the Federal Trade Commission as a result of the passage of the Food, Drug, and Cosmetic Act.