Was it difficult to apply for a patent in the 1990s?

It was difficult to apply for a patent in the 1990s. It is not easy to apply for a patent. Patent application is a legal system to protect the intellectual property rights of inventions and creations under the conditions of market economy. All inventions with patent conditions should apply for patents as soon as possible in order to obtain legal protection from the state. To apply for a patent, the necessary application documents must be submitted to China National Intellectual Property Administration in accordance with the regulations. To apply for a patent for invention or utility model, a request, specification, patent right, abstract of specification and necessary drawings shall be submitted. To apply for a patent for design, a request, a design picture or photograph, a brief description and other documents shall be submitted.