Yirui Guo

Yirui Guo

Ms. Yirui Guo is mainly involved in the preparation and representation of trademark matters including trademark searches, trademark registration, opposition, review, invalidation, rebuttal cases, etc. Ms. Guo specializes in copyright, domain name and customs recordal matters.

Ms. Guo gained most of her trademark experience during her work at several IP law firms which operate both domestically and overseas and she has assisted a number of leading international companies in protecting their trademarks in China.


Chinese trademark attorney (admitted in 2008)

Professional Experience

2018 – present

Sonderhoff & Einsel (Beijing), Manager

2016 – 2017

Wilkson & Grist Law Firm

2014 – 2016

Ella Cheong IP (Beijing) Office

2010 – 2014

China Zhenghe IP Agency Firm

2008 – 2010

Hylands Law Firm

2006 – 2008

Beijing Janlea Trademark Agency Firm



China University of Political Science and Law, Postgraduate of Economic Law


Assumption University, Master’s degree in  E-commerce


Assumption University, Bachelor’s degree in Business Administration


Chinese, English