Kwangho Jang


70 West Madison Street, Suite 3300
Chicago, IL 60602-4207

United States of America

James Jang is an intellectual property lawyer with an advanced degree in materials science and engineering. He focuses his practice on patent litigation and prosecution.

Mr. Jang’s experience includes patent litigation matters before the Southern District of New York, the District of Delaware, and the International Trade Commission both in supporting and defending charges of patent infringement. He is experienced in many phases of patent litigation, including pre-suit investigation, pleadings, motions to dismiss, claim construction, fact and expert discovery, dispositive motion practice, and trial preparation. Mr. Jang has patent litigation experience with a variety of technologies, including mechanical devices, aerospace devices, automotive parts, electrical sensors, pharmaceuticals, and Hatch-Waxman litigation. Mr. Jang also has experience in post-grant proceedings at the United States Patent and Trademark Office including a number of Inter Partes Review proceedings.

Mr. Jang also has domestic and foreign patent prosecution experience involving a variety of technology sectors, including material science technology, medical devices, computer networking and virtualization, artificial nails, hair appliances, audio devices, and variety of miscellaneous mechanical and electromechanical devices. He is a named inventor on three U.S. patents - “Liquid Crystal Display Device and Method of Manufacturing the Same,” U.S. Patent No. 8,027,009; “Liquid Crystal Display Device and Method for Repairing the Same,” U.S. Patent No. 8,154,704; and “Display Device,” U.S. Patent No. 8,866,723.

Prior to joining the firm, Mr. Jang served as judicial intern for the Honorable Kathleen M. O’Malley at the U.S. Court of Appeals for the Federal Circuit. While attending law school, he also served as judicial intern for the Honorable Susan G. Braden at the U.S. Court of Federal Claims.

Mr. Jang is granted limited recognition under 37 CFR 11.9(b) by the USPTO to practice in patent matters. He is admitted to practice in Illinois. He is fluent in Korean.


  • B.S., Seoul National University (2005)
    (cum laude; Materials Science and Engineering)
  • M.S., Seoul National University (2007)
    (Materials Science and Engineering)
  • J.D., George Washington University Law School (2014)
    (with honors; staff member, American Intellectual Property Law Association (AIPLA) Quarterly Journal)


Bar of Illinois, United States Patent and Trademark Office
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