Mr. Guangxun GUO

Partner, Attorney-at-law, Patent Attorney

Mr. Guangxun GUO


Mr. Guo graduated from the department of applied chemistry of Qingdao University in 1993, and obtained his bachelor's degree there. In 1996, he obtained his master's degree in the department of fine chemical engineering of Beijing Technology and Business University and in 2004 obtained his master's degree of laws in law department of University of Hongkong. Mr. Guo worked with China Patent Agent (H.K.) Ltd. since 1996 as a patent attorney and deputy director of Chemical Department. He joined Panawell & Partners, LLC in January 2007.


Mr. Guo's practice includes chemistry, chemical engineering, polymer chemistry, medical science, medical materials and equipments, pharmaceuticals and pharmaceutical chemistry, electrochemistry, agrochemicals, detergents, cosmetics, and paper-making technology.  Mr. Guo has extensive experience in patent drafting, prosecution, reexamination and invalidation proceeding. During his work in China Patent Agent (H.K.) Ltd., Mr. Guo was in the team defending for Pfizer's viagra patent before the Patent Re-examination Board (PRB), and handled dozens of cases of invalidation and administrative litigation for famous international corporations like Du Pont, Eli Lily, Praxair, and Genentech.


Mr. Guo received training in European patent law and practice in Germany in 2003 and U.S. patent prosecution and litigation in an American law firm in 2005. Mr. Guo was qualified as a patent attorney and attorney-at-law in 2000 and is a member of the All-China Patent Attorneys Association (ACPAA), Sub-Committee of Chemistry and Biotechnology of ACPAA and LES China.


Mr. Guo's working languages include Chinese, English and Japanese.


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