William Cao (Cong Cao)

  Chief Partner; LL.B of Shanghai Donghua University, LL.M of East China University of Political Science and Law; 

  Researcher of intellectual property and competition law institute of Shanghai Jiaotong University.


  William has worked as chief executive for the Department of Intellectual Property in Unilever (China) Co., Ltd and Royal Philips Electronics. He established Shanghai Greroyalt& Co., and Shanghai Greroyalt Law Firm in 2000.

  William has extensive practical experience and international vision in intellectual property area, especially skilled in intellectual property protection strategy, risk management of intellectual property, intellectual property evaluation, investigation and acquisition for IPO, government relations,and dispute resolution in the field of securities. Many cases handled by William have been included in the case base of the Supreme People’s Court of China. 

Michelle Xu

  Head; LL.M of Fudan University;


  Main area of practice: non-litigation and litigation trademark cases, customs protection, administrative litigation, malicious litigation of consumers and dispute resolution in the field of securities etc. Michelle has years of experience as an intellectual property consultant, specialized in import and export IP disputes, domain name arbitration and unfair-competition case. She assisted European company in conducting due diligence, drafting and examining contracts in China. Her cases were elected as “2013-2014 Top 10 Cases” by China Association of Enterprises with Foreign Investment (CAEFI). She is awarded excellent legal supplier by her clients for three successive years.

  She has provided legal service to many world-renowned companies, such as MCM,BIRKENSTOCK,LVMH,KERING.

Justin Pan 

 Senior Partner; Master of Law;


  Area of practice: unfair-competition, Patent dispute, enterprise name disputes, corporation business, administrative review, litigation cases.

  Justin Pan has over ten years’ working experience in administrative organs, gathered rich experience in trademark dispute, unfair-competition dispute, enterprise name dispute administrative dispute. He has provided legal service to many world-renowned companies, such as Osram,Philips,Signify,Bosch,VF,LVMH,Hershey,Friesland,Jinguan.His case was elected as “top 10 trademark civil case in 2020 year” by Fujian Province High Court.

Richard Ren 

 Senior Partner; LL.B of Shandong University

  Since the practice,Richard has engaged in legal practice for over ten years. His areas of practice are trademark infringement, counsel, unfair-competition and contract dispute. Richard has provided service to Gucci, Puma, Biersdorf, Hengyuanxiang and Panpan in handling trademark infringement litigation, enterprise name dispute and domain name dispute. Richard is experienced in dealing with intellectual property cases. Many of his cases are included in the case base of the Higher People’s Court of Zhejiang Province, Henan Province and Shanghai Province.

Kaikai Gao

 Senior Partner

  Graduate from Shanghai Maritime University, has the qualification certificate of fund, securities and futures. He is good at dealing with major, difficult and complex cases. Since his practice, he has participated in the agency of many major and difficult cases, which has achieved good agency effect and won the praise of clients and the industry.

  Main practice areas of creditor's rights debt disputes, contract disputes, commercial litigation, financial, corporate law, intellectual property, maritime affairs, marriage and family, criminal defense, the architecture design of equity, equity financing, equity incentive, merger, acquisition and reorganization, bankruptcy reorganization, private equity funds, public funds, trademark infringement, margin disputes, entrust financial disputes, credit insurance, trust business and insurance business, the futures business, securities business, labor dispute dispute, administrative litigation, administrative reconsideration, accounts receivable collection.

Cedric Cai

  PartnerLL.B of East China University of Political Science and Law.

  Practice Areas: Dispute Resolution of Intellectual Property Disputes, Trademark, Unfair Competition, Contract Disputes, Alternative Dispute Resolution, etc.

  Cedric specializes in providing legal services for large-scale enterprises and used to work in the legal department of China Metallurgical Group Co., Ltd., one of the top 500 enterprises in China. Throughout his career as a lawyer, he has focused on civil and commercial dispute resolution, successfully handling numerous litigation and arbitration cases spanning various fields including intellectual property rights, corporate law, contracts law, administrative litigation, and criminal defense. Cedric has also been entrusted with alternative dispute resolution services by several governmental departments in Shanghai and has provided legal support to renowned brands such as BOSCH, NIVEA, and RAFFLES CITY.

  His exceptional expertise led to his cases being recognized as the top ten intellectual property cases of 2021 by Taizhou Intermediate Court. Moreover, Cedric possesses extensive experience in litigating complex and challenging cases that have been adjudicated multiple times by the Supreme People's Court of China. Additionally, he holds a bachelor's degree in English language which enables him to effectively handle cross-border cases.

Alex Qi

  Partner;East China University of Political Science and Law      Bachelor's Degree

  Having long been engaged in various litigation cases in civil and commercial fields, and having rich trial experience, having handled hundreds of cases of various kinds, especially specializing in contract, property disputes and intellectual property-related cases. Having served the world's top groups such as Kering, Bosch and 3M, and having accumulated rich experience in localization of foreign litigation and litigation strategies, being able to provide sound legal services to English-speaking clients.

Roger Zhou  

  PartnerBachelor and Master of Law from Shanghai Jiaotong University

  The main practice area is trademark infringement and unfair competition litigation, trade name dispute, Internet intellectual property disputes, domain name arbitration, contract dispute litigation and arbitration and company legal counsel.

  Roger provides litigation and non-litigation to World-renowned enterprises such as CommScope, Lincoln Electric, Bosch. Roger participated in civil cases of trademark infringement and unfair competition. He also assisted client obtain about 10 million Yuan in an arbitration case.

Joyce Shao

  Trademark attorneyBachelor of Law from Shanghai University of Political Science and Law

  The main practice area is trademark non-litigation business: trademark registration application, objection, review, revocation, corporate trademark strategic planning, etc.With three years of experience in trademark theory and case handling.She has served many well-known enterprises and individuals at home and abroad: Lujiazui Group, Owner group, New Look clothing, ALDI business, Luis Figo, etc.It is committed to protecting the trademark rights of customers and using administrative means to combat and curb the malicious trademark squatting.

Andy Liu

  AttorneyMaster of Law, Shanghai University of International Business and Economics

  Area of practice: IP and Unfair Competition, Enterprise Name Dispute, Contract Dispute, Corporation Business

  Andy Liu has rich experience in trademark infringement, unfair competition, enterprise name dispute, contract dispute and etc., and accumulated rich experience in court trials. He has handled over a hundred of various cases and provided legal services to global well-known enterprises, including Signify, Bosch, VF Group, Louis Vuitton, Lululemon and etc.

  Prior to joining Greroyalt Law Firm, Andy focus area was investment and financing, private equity, and was skilled in corporation business. He has advised numerous multinational companies and internet companies on their daily operation, equity incentive plan, employment, IP rights, etc. Through years of exploration and practice, Andy has accumulated rich experience in the main fields of practice and is confident to provide all-round and precise services to clients.

Martin Zhang

  AttorneyLLB of East China University of Political Science and Law

  Lawyer Zhang graduated from the famous East China University of Political Science and Law. With a solid foundation in his profession, he has been engaged in the legal industry for 4 years, following his team's expertise in the fields of intellectual property, criminal defense, and securities dispute resolution, achieving modest success. Particularly noteworthy is his role as a securities litigation lawyer in the capital market, where he excels in handling cases related to securities misrepresentation liability disputes, investment and financing disputes, and other specialized areas.

  Throughout his years of practice, he has focused on representing small and medium-sized investors in securities litigation, concentrating on cases involving securities misrepresentation liability disputes. He has conducted in-depth research on the identification of major events such as illegal disclosure of information by listed companies and false statements, as well as factors and methodologies for calculating investor losses. His efforts have successfully helped numerous investors obtain compensation, earning recognition and praise from a broad base of investors.

  Additionally, he has assisted in handling multiple intellectual property infringement cases entrusted by Fortune 500 companies, which have been rated as top ten cases of the year by several high courts or intellectual property bureaus. This outstanding performance led him to receive the Outstanding Newcomer Award from his firm in 2022.

Harry Xu

  AttorneyBachelor of Law from Shanghai University of Political Science and Law

  The main practice area is trademark infringement, unfair competition, trade name dispute, house expropriation and foreign litigation.

  With more than three years of experience in legal service industry, Harry has rich theoretical basis and case handling experience. The cases he handled included infringement claims, import and export of Customs, trade name dispute and administrative complaints. During this period, he has conducted in-depth research on the resolution of infringement dispute and litigation for right protection in the field of intellectual property rights. He also followed the team to deal with a number of major civil and criminal cases, which succeeded in preventing the further expansion of the infringement scale and won full compensation for the clients.


  Since the practice, Harry provided legal services to many world-renowned enterprises such as VF Corporation and OSRAM GmbH, and has accumulated rich experience in handling foreign cases. He also acted in a number of litigation and non-litigation cases of trade name dispute and unfair competition with great judgment results, which maximized the protection of clients’ interests and brand value as well as obtained the consistent high praise from the clients.

Leo Zhang

  AttorneyMaster of Laws, Shanghai University of Finance and Economics

  The main practice area includes trademark infringement and enterprise name disputes, as well as labor disputes and company legal advisors.

  Provided intellectual property legal services to many world-famous companies, including VF Corporation(The North Face, Vans, Dickies), Signify (formerly Philips) and Boschhas rich experience in legal matters as trademark administrative procedures, infringement litigation and corporate name disputes.

  Leo helped customers stop intellectual property infringement by his legal service, and assist customers in obtaining significant compensation.