Pharsight

1. Apadaz patents expiration

Drug Patent Number	Company	Drug Patent Title	Drug Patent Expiry
These drug patents protects the active chemical substance. Only drug patent owner can launch products that use this active substance.
US9132125	KVK TECH INC	Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof	Jul, 2030 (6 years from now)
US9549923	KVK TECH INC	Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereof	Jul, 2030 (6 years from now)
US8748413	KVK TECH INC	Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof	Jul, 2030 (6 years from now)
US8461137	KVK TECH INC	Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof	Feb, 2031 (7 years from now)
These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US8828978	KVK TECH INC	Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof	Jul, 2030 (6 years from now)