1. attending infringement litigation of patents, trademarks and copyrights.

2. patent and trademark application agent.

3. unultility and reexamination of patents.

4. transfer of patents and trademarks; deputy allowance and contract drafting.

5. searchand retrieval of patents

6. registration of copyrights, infringement inspection of patents and trademarks.

7. other legal affairs concerning intellectual property issues

8. coporation legal adviser