Patent Perspective of Advanced Gastroretentive Drug Delivery Systems

Intellectual property rights are the rights given to persons over the creations of their minds. They usually give the creator an exclusive right over the use of his/her creation for a certain period of time. Patents are considerably more vital to pharmaceutical company in appropriating the benefits from innovation compared with other high tech industries. Recent pharmaceutical patented literature has shown increased interest in novel and inventive dosage forms that can be retained in the stomach for a prolonged and expected period of time. Recently many new and old drug molecules, either mono or combination product formulated as Gastroretentive Drug Delivery System have been patented keeping in view its business success. This review attempts to compile latest patented technology regarding gastroretentive drug delivery systems developed by pharma companies.