A drug that has been patented.
A medicinal preparation which is made and sold under a trade name and is protected by law from being copied or sold by other manufacturers for a certain length of time after its invention.
Drug or other therapeutic substance that carries a specific trademark and is available without a prescription.
A drug or medical preparation that is protected by patent and sold without a physician’s prescription. The law requires that it be labeled with names of active ingredients, the quantity or proportion of the contents, and directions for its use, and that it not have misleading statements as to curative effects on the label.