HUASUN is a law firm of patent attorneys and attorneys-at-law in Germany. We consult and represent our clients in all the issues of German and European intellectual property rights. The emphases of our work concern patents, utility models, designs and trademarks etc. We also provide legal service in other areas, such as in the area of German corporate law or commercial law.

We are the first law firm of patent attorneys and attorneys-at-law in Germany grounded by person with Chinese background. The law firm was grounded by Yiming Sun and our team members come from China and Germany. Yiming Sun is the first German patent attorney with Chinese nationality and he is also European trademark & design attorney.