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Chen Yoshimura LLP, Counselors at Law
Contact Information
Email :
ychen@cyiplaw.com
Phone :
213.625.5076
Established June 2005

Having each practiced in the intellectual property field with leading international law firms for many years, we established Chen Yoshimura LLP to bring our experience and expertise together in an environment that will allow us to provide clients with high quality, dedicated and cost-effective services.

Our practice focuses on patent prosecution, infringement, validity  and freedom of operation opinions, licensing negotiations, and patent litigation support.

Please contact us for more information.


Washington, D.C. Office:

Masao Yoshimura, Ph.D.
1101 Pennsylvania Ave., NW, 6th Floor
Washington, D.C. 20004
(Tel) +1.202.756.7720
(Fax) +1.301.309.0381
Email: myoshimura@cyiplaw.com


Los Angeles Office:

Ying Chen, Ph.D.
255 S. Grand Ave., #215
Los Angeles, CA 90012
(Tel) +1.213.625.5076
(Fax) +1.213.625.0691
Email: ychen@cyiplaw.com