- 2020-08-10 DHH Washington Office and the Shandong Association of Greater Washington jointly held a seminar
- 2020-06-23 Remote Video Notarial Service for Overseas Chinese -- Beijing DHH Law Firm Washington office launched "Overseas Remote Video Notarial Service"
- 2019-12-06 Beijing DHH Law Firm Washington Office Hosted China Law Forum
- 2019-11-12 DHH Washington Office Attended 2019 Chinese American Women in History Conference
- 2019-06-27 Director Liang Mei of DHH Washington DC Office Exchanged with Two Former US National Security Advisers
- 2019-06-05 The Release Ceremony for "You Have the Right to Remain Silent and Consult an Attorney—100 Legal Tips for Preventing and Dealing with Emergencies in the US" was held at DHH Shanghai Office
- 2019-04-18 Mr. Kejiang Liu and Mr. Hao Chen Attended the 2019 Government Affairs Annual Conference & the Releasing Ceremony of 2019 American Business in China White Paper
- 2019-03-20 The First Round of DHH American Lecture Tour: Seattle—3+1 Road Map for IP Protection of American Enterprises in China
- 2019-03-05 International IP Expert & Professor Andy Sun Visited Beijing DHH Law Firm
- 2019-02-22 IP Officers from U.S. Department of Justice Visited Beijing DHH Law Firm
- 2019-02-20 Senior Patent Consultants Attended the Annual Winter Meeting of the American Intellectual Property Law Association
- 2018-08-29 Beijing DHH Law Firm Washington D.C. Office Opposes US Government Imposing Tariffs on $200 Billion Chinese Products
- 2018-01-23 DHH Toronto Office Holds Loan Seminar
- 2017-12-25 DHH Washington DC Law Office Successfully Held #8 China Law Express Special Event
- 2017-12-05 DHH Washington DC Law Office attended the 2017 Dongsheng- Dao Ventures U.S.-China Entrepreneurship Competition
- 2017-11-20 DHH Washington DC Law Office Successfully Held #7 China Law Express
- 2017-11-10 DHH Washington DC Office Facilitated ACLA Leading Foreign-Oriented Lawyers Training Group to Visit Chinese Embassy in the U.S.
- 2017-10-31 DHH Washington DC Law Office Hold Receptions for the Group of US Maryland Montgomery County Governor’s Business Trip in China
- 2017-10-30 Beijing DHH Law Firm Playing an Important Role in Section 301 Investigation
- 2017-10-30 DHH Washington DC Law Office Executive Director Mr. Xinze Liu, Deputy Director Mr. Yongchang Tang Invited to Attend the 2017 LexisNexis Legal Summit
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