About us

About Duane Morris' Vietnam:

We are on the ground and have extensive local and international experience. We are a team of foreign lawyers fluent in Vietnamese and local Vietnamese lawyers with over a decade experience in Vietnam. We also have Japanese and Korean speaking lawyers who will serve you well.

About Mr. Oliver Massmann:


Since the regulatory framework in Vietnam is undergoing rapid changes, the foreign and local investor may face many obstacles in understanding and complying with the laws of Vietnam.

Should you have any query about Vietnam’s regulatory framework or need our advice and solution to ease your concern or resolve your legal issues, please feel free to contact us anytime by sending an email to:omassmann@duanemorris.com We are ready to support you.


We shall regularly issue Vietnam Update to provide our user and client the most updated news about the legal and investment environment in Vietnam and a brief summary on the newly issued legal documents.

Our Vietnam Update is issued for the purpose of information provision and as a reference tool. The summary on the newly issued legal documents does not contain or should not be used as a legal advice.


We often participate in the international conferences and workshops and engage in many speeches and penal discussions on the legal framework and investment environment in Vietnam.

Below are some of our selected speaking engagements. Should you have any further question relating our presented topics, please send us an email to:omassmann@duanemorris.com


Tax regulations on Permanent Establishment are critical issues to consider in a globally connected world. We provide advice and solutions for these taxation risks.

Tax issues are always major concern of any business, especially with the practice in Vietnam where the regulatory framework is undergoing rapid changes. To avoid any losses and issues related to tax, the business must seek the advice from professional and experienced tax experts.


The material on this Guide has been prepared and published for informational purposes only. No material is offered, nor should be construed, as legal advice. You should not act or rely upon information contained in these materials without specifically seeking professional legal advice. We do not accept any responsibility for the accuracy of the information contained in this Guide.

We have published the Vietnam Investment Guide which includes the information about