Pan Zhang focuses on drafting and prosecuting patent applications in the areas of materials science, chemistry, and related technologies. His technical experience includes materials structure, materials preparation, chemistry, chemical engineering, nanotechnology, microtechnology, etc. He has over 10 years of experience in patent prosecution.

Pan previously worked as a Patent Examiner in China Patent Office for over 8 years. During Examiner's role, he has conducted over 1000 patent searches and issued over 800 office actions. Also, he had engaged in patent search and examination for Patent Cooperation Treaty (PCT) with World Intellectual Property Organization (WIPO), and performed patent re-examinations and analysis.