COJK was ranked by Chambers USA as a leading intellectual property law firm in Washington in the 2020 edition of the guide. The firm is recognized for their thoughtful and dedicated client service, for the commitment they demonstrate to their clients, and for their tremendous IP law skill and experience.  As one client noted, “The team as a whole is excellent –  their particular strengths are their expertise, leadership and communication skills. The attorneys work very hard and take care of their clients anywhere and anytime." The team is recognized for “working collaboratively to ensure” product and service delivery on time, and as “. . . a collection of high-quality, community-minded individuals who believe in good work," possessing and demonstrating "the traits of integrity, passion and enthusiasm."  COJK attorneys recognized as notable intellectual property practitioners include John D. Denkenberger, Jerald E. Nagae, and George E. Renzoni, Ph.D. 

Chambers USA annually identifies and ranks the leading firms and attorneys in an extensive range of practice areas throughout the United States. The ranking process is an in-depth and client-focused research procedure, resulting in the published guide, which lists the top recommended law firms and attorneys specializing in their practice area and location.