Established in 2005 by two patent attorneys

who had each practiced in the IP field for

many years with leading global law firms,

Chen Yoshimura LLP strives to provide

clients with high quality, dedicated and costeffective

services. The firm specializes in

all patent-related matters, and primarily

services clients in the high-technology

industries.

The firm provides the following services:

 patent application preparation and

prosecution

 general counseling on issues relating to

patent infringement, validity, and

enforceability

 patent / technology licensing negotiations

 non-liability opinions (noninfringement and

invalidity)

 freedom to operate opinions (product

clearance)

 design-around studies

 IP due diligence

 due diligence analysis for prenegotiation/

pre-suit investigation

 patent infringement litigation support