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Daniel W. Cho

Partner

Washington +1 202 662 5451

  • About
  • Representative Matters
  • Credentials
  • About

    Daniel Cho is a litigator who helps clients navigate high-stakes intellectual property disputes spanning U.S. district courts, the United States Court of Appeals for the Federal Circuit, the Patent Trial and Appeal Board (PTAB), and the U.S. International Trade Commission.

    Daniel has litigated complex patent cases involving a broad array of technology areas, including OLED/LCD technologies, smartphones, biologics, crystallography, pharmaceutical products, medical devices, computer software, casino games, oil drilling devices, and performance textiles.

    Daniel also has deep experience assisting life science clients. His work spans litigating against generic pharmaceutical companies to advising clients on pre-litigation and regulatory Hatch-Waxman matters.

    Daniel has played significant roles in all stages of litigation, from managing large trial teams and developing case strategies to arguing dispositive motions and preparing trial witnesses. He has successfully argued motions in several of the nation’s most active patent litigation jurisdictions, and has extensive deposition experience.

    Daniel has been recognized by Washington DC Super Lawyers as an Intellectual Property Litigation “Rising Star” (2021-2023) and named on the “Ones to Watch in America” list for Patent Litigation by Best Lawyers (2022-2024).

    Prior to joining Covington, Daniel was a judicial extern for Hon. Judge John Z. Lee, U.S. District Court, Northern District of Illinois. He also served as a legal intern at the United Nations Commission on International Trade Law (UNCITRAL) in Vienna, Austria.

    Areas of Expertise

  • Practices and Industries
  • Representative Matters

    Daniel has experience representing clients in a variety of technology spaces, including electronics, manufacturing technology, and life sciences.

    Electronics and Manufacturing Technology

    • Representation of Samsung Display and Samsung Electronics in a patent infringement case in the Eastern District of Texas concerning organic light-emitting diode (OLED) display and touch sensor technologies.
    • Representation of Samsung Display and Intellectual Keystone Technology in an ITC Section 337 investigation involving claims of patent infringement directed to display technologies.
    • Representation of Samsung Electronics and Samsung Display in patent infringement cases in the Western District of Texas concerning OLED display technology.
    • Representation of Samsung Display as intervenor in patent infringement cases in the Western District of Texas concerning display technology.
    • Representation of Dell in a patent infringement case in the Western District of Texas concerning display technology.
    • Representation of Aristocrat Technologies in defending against design patent and trademark litigation claims asserted by a competitor relating to products that utilize curved display screens.

    • Representation of Aristocrat Technologies in patent litigation against a competitor company in a case involving 32 patents concerning slot machine technology.
    • Representation of Aristocrat Technologies as petitioner in numerous inter partes review proceedings on slot machine technologies.
    • Representation of Samsung Electronics in the Eastern District of Texas in a patent infringement suit relating to patents involving smartphone technology.
    • Providing strategic advice on IP issues concerning oil well drilling technology.

    Life Sciences

    • Representation of Boehringer Ingelheim in ANDA cases in the District of New Jersey concerning Boehringer Ingelheim's Gilotrif® product, a medication used to treat non-small cell lung cancer.
    • Representation of Omeros Corporation in Hatch-Waxman patent litigation against Par Pharmaceutical concerning Par’s application to make a generic version of the drug Omidria®, a combination drug solution used to maintain pupil dilation during cataract surgery and reduce post-operative pain. The case involved Omeros’ only approved drug. Following trial, Par settled the matter on favorable terms for Omeros.
    • Representation of Warner Chilcott in ANDA cases in the Eastern District of Texas concerning Delzicol®, a drug used to treat a gastrointestinal disease.
    • Represented Biogen in defeating Swiss Pharma’s attacks on three patents covering TYSABRI®, an antibody biologic for treating patients with multiple sclerosis. The PTAB declined to institute a trial on all three of Biogen’s patents. The PTAB adopted the detailed reasoning from Covington’s briefs, finding that Swiss Pharma’s evidence and expert testimony did not demonstrate a reasonable likelihood of prevailing at trial.
    • Representation of AstraZeneca in a patent infringement dispute concerning the dose counters used with its Symbicort® inhaler product.

    Areas of Expertise

  • Credentials
    Education
    • The University of Chicago Law School, J.D., 2015
    • Johns Hopkins University, B.S., 2010
        • Biomedical Engineering
        • Degree Concentrations: Electrical & Computer Engineering, Biomedical Instrumentation and Devices
        • Graduated with University Honors and Departmental Honors
    Bar Admissions
    • District of Columbia
    • California
    • U.S. Court of Appeals for the Federal Circuit
    • U.S. Supreme Court
    Languages
    • Brazilian Portuguese
    • Korean
    Accolades
    • Best Lawyers: “Ones to Watch” in America, Patent Litigation (2022-2024)
    • Washington DC Super Lawyers, IP Litigation "Rising Star" (2021-2023)
    Previous Experience
    • Hon. John Z. Lee, United States District Court for the Northern District of Illinois, Judicial Intern (2015)
    • Republic of Korea Army, Sergeant (United Nations, ROK-US Combined Forces Command) (2010-2012)
    • United Nations Commission on International Trade Law (UNCITRAL), Legal Intern (2009)

    Areas of Expertise

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