A patent is a commercial tool giving you the right to take action against anyone who makes, uses, sells or imports your invention without your permission. So, when we consider wider geographical coverage it is important to evaluate the cost and time of securing patent protection against the risk a potential competitor. A patent is granted for inventions that are new and inventive. Patents are typically examined against the “state of the art”, which is everything that is. The PCT is the closest option to a worldwide patent and it is important to understand why it is different. The PCT makes it possible to seek patent protection for an invention simultaneously in each of a large number of. Obtaining protection worldwide carries a cost. There is the cost of drafting the text and drawings of the patent application as well as the cost of official fee payments to the Patent Office of each. The are several patent systems that apply to groups of countries which can reduce the administrative burden and cost of applying for protection. The most well-known is the European.