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  • Attorney at Law


    SUGAWARA Kosuke

    SUGAWARA Kosuke

    Kousuke Sugawara

    TEL: 03-6868-3050
    FAX: 03-6747-6862
    Dai-ichi Tokyo Bar Association
    Dai-ichi Tokyo Bar Association


    We have provided legal support to a wide range of clients, from listed companies to startups, focusing on intellectual property rights-related legal matters.
    By actively getting involved in our clients' businesses, we hope to create the future of their businesses together.
    Please feel free to contact us, no matter how small the matter, so that we can have a relaxed communication.

    Education / Work

    • 2015 Graduated from Kyushu University Faculty of Law
    • 2017 Graduated from Hitotsubashi University Graduate School of Law
    • 2019: Joined Innoventias Tokyo Law Office
    • 2021 Established the law firm atelier
    • Participating in startups in Fukuoka Prefecture in 2021
    • 2023 Joined Mimura and Komatsu Law Office

    Affiliation/position, etc.

    • Intellectual Property Lawyers Network

    Project record

    • Disputes related to intellectual property rights (patents, copyrights, trademarks, and other intellectual property rights)
    • General corporate law (from listed companies to sole proprietors)
    • Startup legal support
    • Legal support in the fields of IT, urban development, and entertainment (fashion, art, manga, etc.)
    • Legal support in the agricultural field (agricultural products, trademarks, patents, seed and seedlings law (variety registration), etc.)
    • Handling various lawsuits


    • "The New Coronavirus and Business Partner Bankruptcies" (RIETI LETTER June 2020 / Research Institute of Economy, Trade and Industry)
    • "Overview of the Trademark System and the Concept of Similarity Judgment" (Business Legal Affairs December 2020 issue / Chuo Keizaisha)
    • "English-Japanese Translation of Software License Agreement Practice" (co-author), Shojihomu, 2021
    • "Virtual-Only Shareholders' Meetings" (RIETI LETTER October 2021 / Research Institute of Economy, Trade and Industry)