BEIJING, April 26 (Xinhua) -- Chinese people were more satisfied with intellectual property rights (IPR) protection in 2016, according to a survey released on Wednesday.

Satisfaction to IPR protection rated 72.38 (out of 100), said the report issued by the Patent Protection Association of China, China Trademark Association and Copyright Society of China to mark the World Intellectual Property Day on Wednesday.

The fifth annual report surveyed 12,600 people including IPR holders, the public and professionals.

According to State Intellectual Property Office (SIPO), 87,000 cases related to IPR infringements were cleaned up during the 12th Five-Year Plan period (2011-2015).

A total of 322,000 cases related to other business infringements, including trademark rights, confidentiality, and counterfeiting were dealt with during the period.

An official with the SIPO said that result of the survey will assist the revision of the Patent Law.