Patent is a protection given by an Intellectual Property Office for an invention. An invention is an idea of an inventor, which gives a solution to a specific problem in the field of technology, an invention can be a product or a process.
Patent can not protect an idea alone, the requirements of an invention:
New or novel;
Involves an inventive step;
For example, household appliances and vehicles are product inventions. Meanwhile, process for producing a specific chemical compound is a process invention.
It gives an inventor the right to control the use of an invention, by preventing unauthorised party from making, using, distributing, or selling within a limited jurisdiction and time.