The purpose of the patent system is, to accelerate the development of technology though the protection, encouragement, promotion, and utilization of inventions, and thereby contribute to the development of industry.

• The publication of inventions leads to the accumulation and utilization of technology and the advancement of industry.
• Granting exclusive rights for the commercial usage of a patented invention promotes commercialization, encourages the development of inventions, and leads to the advancement of industry.

A patent must have industrial applicability; it must be usable in industry.

The technology must have novelty; it must not be known to the public (prior art) before an application is submitted.

The technology must have an inventive step; it must not be easily derivable from prior art, even though it differs from prior art.