• vcard
202.626.8377
  • Education
    • J.D., George Mason University Antonin Scalia Law School, Certificate in Intellectual Property Law
    • Ph.D., Syracuse University, Solid State Science & Technology; Nominee for Outstanding Ph.D. Dissertation Award
    • M.S., Stevens Institute of Technology, Materials Science & Engineering
    • B.S., Hanyang University
  • Bar Jurisdictions
    • District of Columbia
    • Maryland
    • Admitted to practice before the United States Patent and Trademark Office
  • Court Admissions
    • U.S. District Court for the District of Columbia
    • U.S. District Court, District of Maryland
    • U.S. District Court, Eastern District of Texas
    • United States Court of Appeals for the Federal Circuit
    • District of Columbia
    • State of Maryland
A seasoned intellectual property litigation attorney, Sunwoo uses his knowledge and experience to counsel domestic and foreign clients in all aspects of intellectual property law. He regularly handles patent, trademark, copyright and trade secrets litigation for a variety of businesses — from startups to Fortune 100 companies. 

Sunwoo has litigated as lead counsel for cases involving patent infringement, trademark infringement and trade secrets disputes in federal district courts as well as Section 337 intellectual property investigations before the International Trade Commission. He also counsels clients in patent mining; builds and manages strategic domestic and foreign patent and trademark portfolios; and prosecutes patents related to electronic and mechanical devices as well as process and software-based technologies.

Sunwoo has extensive knowledge in the areas of electrical engineering, mechanical engineering and materials science. He prosecutes, counsels and litigates a variety of technologies, including: 
  • Semiconductor circuitry and fabrication process
  • Micro electromechanical system (MEMS)
  • Digital imaging sensors including CMOS and charge coupled device (CCD)
  • Flat panel display devices such as liquid crystal display (LCD), plasma display panel (PDP) and organic light emitting display (OLED)
  • Light emitting diode (LED)/laser diode
  • Solar cell module; Cellular telephonic equipment and system and wireless telecommunication standard protocols including GSM and CDMA
  • Optical disc structures such as Bluray Discs
  • Digital signal processing including JPEG image compression
  • Digital TV standards such as ATSC including signal processing, compression, multiplexing and packetization
  • Computer hardware including microprocessor, chipset, computer process architecture and peripheral devices; software-based technologies such as electronic design automation (EDA), Internet-driven technologies, computer networking, computer games and graphic user interfaces
  • Medical devices such as 3D ultrasound imaging and magnetic resonance imaging (MRI) systems
  • Automobiles including hybrid engines, transmission and car batteries for hybrid and electric vehicles
Prior to joining the firm, Sunwoo was Intellectual Property Practice Group Leader with NLJ 250 firms and also worked at various AmLaw 100 firms as a partner. Prior to his legal career, he was a senior scientist and project manager at a Fortune 100 company, working on solid-state thin film devices, including wide band gap semiconductors. Sunwoo also served as an assistant professor at the Center for Solid State Science & Technology, Department of Physics, at Syracuse University. At that time, he was also a visiting staff scientist at IBM Research Center in Endicott, N.Y.
  • Represented a leading consumer electronics company, in defending against patent infringement claims involving touch-screen technologies. Case resolved favorably on terms to the client during discovery. 
  • Represented a global leader in flat panel displays in defending against claims of patent infringement for plasma enhanced thin film deposition technologies. Case settled favorably for the client without a substantial investment in legal fees. 
  • Represented a world's leading semiconductor manufacturer, in patent infringement action relating to DRAM and flash memory devices. Obtained highly favorable Markman ruling and case settled before trial. 
  • Represented a company in patent infringement and complex antitrust actions, involving patent misuse and misconduct in the context of industry standard setting organizations relating to JPEG image compression technology for digital cameras and digital camcorders. Case settled favorably for the client. 
  • Represented a world's leading wireless telecommunication device manufacturer, in patent infringement action regarding the use of folder type design in cellular phones. Case settled favorably for client without a substantial investment in legal fees. 
  • Defended a manufacturer in patent infringement case in LCD computer monitors. Case settled favorably for client without a substantial investment in legal fees. 
  • Represented a leading semiconductor company in Section 337 investigations before the U.S. International Trade Commission, involving gallium nitride light emitting devices. Investigation terminated on the basis of settlement agreement before the hearing. 
  • Represented a world's leading semiconductor manufacturer, in patent infringement action relating to dynamic random access memory (DRAM) devices. Obtained highly favorable claim construction ruling and case settled before trial. 
  • Represented a telemedicine company in trademark infringement and breach of contract actions, brought by a diabetes treatment service company in diabetic cell phones. Case settled favorably before trial. 
  • Represented an aftermarket auto parts company, to defend patent infringement action in rear view monitoring camera technologies. Case resolved favorably on terms to the client during discovery. 
  • Defended a leading flat panel display company, and a thin film coating system equipment company in misappropriation of trade secrets case, involving allegations of misappropriation of technical manufacturing information, and other technical and competitive trade secret information on coating systems for thin film applications. Case settled favorably for the client during discovery. 
  • Represented several clients involving ink cartridges with chips for inkjet printers against patent infringement claims, based Section 337 investigation before the International Trade Commission and in federal district court. Case settled favorably for the clients during discovery. 
  • Represented an international entertainer and its agency company in trademark infringement action, involving entertainer's stage name. Successfully defended the clients against a preliminary injunction after being hired only one week before the hearing. Case resolved highly favorable on terms to the clients. 
  • Defended one of the world's leading manufacturers of flat panel displays in patent infringement case, involving the image processing technologies in liquid crystal display devices. Obtained favorable Markman ruling and case settled before trial. 
  • Defended a world leading electronics company in trademark infringement action brought by a large personal communication device manufacturer involving cellular phones, resulting in favorable settlement. 
  • Defends a world's leading manufacturer of smart phones in patent infringement action brought by a non-practicing entity regarding duel core micro-processor technology. 
  • Represents patentees in patent enforcement actions related to computer aided mapping technologies applicable to a variety of wireless consumer electronics including smart phones. 
  • Represented a world’s leading manufacturer of high power light emitting diodes in patent infringement action, based Section 337 investigation before the International Trade Commission against major competitors. Case settled prior to trial. 
  • Defended Virginia construction service companies in a patent/trademark infringements, antitrust, and tortious interference action related to highway safety products. Case settled very favorably on terms to the client including a royalty-free license. 
  • Represented a world's leading manufacturer of home appliance in patent infringement actions regarding the use of direct-drive technology in drum type washing machines. 
  • Defended a Virginia technology company in a patent infringement action related to RFiD technology. 
  • Represented a capital management company in patent infringement claims relating to high power light emitting diodes.
  • Represented a client in patent infringement actions regarding the use of WiFi technologies.
  • Represented a global leading electronics company in trademark infringement actions relating to wireless network devices. 
  • Defended a computer peripheral device manufacturer in a patent infringement action brought by client's major competitor. After aggressive pretrial negotiations, case settled very favorably on terms to the client including a royalty-free license to all current and future intellectual property owned by the plaintiff. 
  • Represented one of the world's leading manufacturers of consumer electronics to defend patent infringement claims regarding the use of real time data processing technology in GPS navigation devices, resulting in favorable settlement without a substantial investment in legal fees.

text icon Publications & Presentations
Understanding Interplay Between Technology-Driven Transformation and Patent System Under Technology Management Principles
Ulsan National Institute of Science and Technology
May 17, 2016
text icon Publications & Presentations
Intellectual Property Trends in the Food and Beverage Industry
2012 Food Claims & Litigation Conference: Navigating Change in Food-Related Litigation; Dana Point, CA
February 21-23, 2012
text icon Publications & Presentations
Patent Reexamination as Alternative to Litigation
Lexology
February 13, 2012
text icon Publications & Presentations
"New Choices and Challenges for Today’s Patent Litigants.” Inside the Minds: Recent Trends in Patent Infringement Lawsuits
Aspatore Books, a Thomson Reuters Business
2012
text icon Publications & Presentations
The New US Patent Law The America Invents Act
Lexology 
October 24, 2011
text icon Publications & Presentations
Unknowingly Inducing Patent Infringement is a Risk
Contributor, Inside Counsel
January 2011
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Patents: Getting Them, Dealing with Them and Fighting with Them
Corporate Counsel Forum 2010; Independence, OH
October 16, 2010
text icon Publications & Presentations
Strategies in Protecting Intellectual Property Rights in High Technology Industries
The KSEA 12th Northeast Regional Conference; Fort Lee, NJ
April 13-14, 2001
text icon Publications & Presentations
The Properties of Boron Carbide/Silicon Heterojunction Diode Fabricated by Plasma Enhanced Chemical Vapor Deposition
Co-author
Appl. Phys. A. 58, 223
1994
text icon Publications & Presentations
Fabrication of Boron Carbide Heterojunction Diode
Co-author
NSF Annual Proceedings, 1, 2362 
1994