Pharmaceutical companies in Heilongjiang Province and its associated economic benefits

Analysis of intellectual property protection.Using the relevant regression method

the present study analyzed the relationships between the patent output and the economic output in the three listed pharmaceutical enterprises from 1999 to 2010

and the patent status of the main 49 pharmaceutical enterprises in Heilongjiang Province. The two listed pharmaceutical companies patent output was positively correlated with there incomes

which had a good linear regression relationship between the analysis of variance with significant effects. There were 19 pharmaceutical enterprises without a patent application in the 49 pharmaceutical enterprises. 24 pharmaceutical enterprises have no more than 10 pieces of patent application. Two listed pharmaceutical companies in Heilongjiang Province in remarkable effectiveness of patent protection

but there are still some companies do not realize the importance of patent protection. So it still needs to strengthen patent protection measures to raise awareness of pharmaceutical patent protection.