Mainleaf Law Group PLLC is a young boutique law firm in New York City specializing in international dispute resolution and cross-border transactions.



Mainleaf Law Group has an elite team of attorneys who bring with them rich experience in complex dispute resolution and top-notch cross-border transaction from their prior professions in top law firms and financial institutions.

Founding partner Yue Niu, a.k.a, Frank Niu, is specially experienced with dispute resolution of all sizes. He has successfully handled multi-million dollar cross-border dispute resolution as well as small local litigations and appeals in the past. Frank is also familiar with cross-border investment, fund formation, and merger and acquisition. He has been involved in multi-billion dollar cross-border acquisitions in the past. Frank is admitted to practice law in New York and California, and received his J.D. degree from George Mason University School of Law, now Scalia Law School.

Founding partner Roy Lou is specially experienced in cross-border transactions. He has successfully handled numerous large and small cross-border investments, mergers and acquisitions, and overseas bond offering in the past. Roy is also familiar with dispute resolution as he has participated in the successful resolution of multiple cross border disputes in the past. Roy is admitted to practice law in New York, and received his J.D. degree from Washington University School of Law.


Mainleaf Law Group is dedicated to provide top-class legal service to traditionally under-represented overseas clients in litigation and transaction matters.


Mainleaf Law Group PLLC has a broad client base in China. The firm has locations in New York and Beijing.




505 West 54th Street, New York, NY 10019, U.S.

Guantangdonglu No.5, Bldg. 4, Chaoyang, Beijing 100102, China