Why such short term patents are essential?
Drugs are means to safeguard life. As already explained, drug verification can not be trusted alone on animal and human volunteer tests and verification. For declaring a drug successfully usable and beneficial, a verification of a big pool of variant humans is required. During the short term patent periods, when the developing company alone can create and market that drug, the users of that drug provides enough evidences of the result of the newly developed drug. Even in the case, a drug shows signs of failure, because of only one producer and lesser spread, the drug can be pulled out easily from market causing lesser harms, saving innumerable lives. In absence of patents, any one can copy, produce and market the any newly developed drug, and in that case if a drug prove to be failure later on say after 2 years or 5 years, it will be almost impossible to remove the drug, plus who will take the responsibility of the failure of drug if there is no confirmed developer? That obviously can
