rickets is a nutritional disorder that can develop if you do not get enough vitamin d calcium or phosphate rickets leads to poor functioning of a bone s growth plate growing edge softened and weakened bones stunted growth and in severe cases skeletal deformities
Hence, a 20-year period of the patent usually gives manufacturers a chance to recoup the cost of developing a new drug. When a drug patent expires, any pharmaceutical company can manufacture and sell the drug. A drug, which is produced and distributed without patent protection is called a generic drug.
A patent is a property right to a product and in the case of pharmaceutical companies is usually in the form of a chemical formula that may not be duplicated by any rival company. The life of a patent is 20 years from the time the patent is issued. patent is a property right to a product and in the case of pharmaceutical companies is usually in the form of a chemical formula that may not be duplicated by any rival company. The life of a patent is 20 years from the time the patent is issued.