Objective: To find out the patent situation of Nexium in China and provide references for domestic pharmaceutical companies. Methods: Statistics of the patent application of Nexium in China during the years of 1994-2013 were obtained from the National Patent Office, China National Knowledge Infrastructure, FDA and the European Patent Office etc, and the graphic description was used to make a patent analysis. Results and Conclusion: Nexium still has great space in the field of combination, its dosage forms a...