Chie Kasahara Joins Global Law Experts as a Leading Intellectual Property Authority in Japan

Global Law Experts is honored to welcome Chie Kasahara of Atsumi & Sakai to our global network as a premier intellectual property practitioner in Japan. Kasahara brings a long and distinguished track record in guiding both Japanese and international clients through the complexities of today’s IP, IT and media landscapes. Her work resonates with our mission to connect clients with leading lawyers who offer deep expertise, cross border experience and a nuanced understanding of regional markets.

Kasahara’s practice and leadership at Atsumi & Sakai exemplify the caliber of counsel we seek to spotlight within Global Law Experts. She leads the firms IP, information technology and life sciences teams, advising a diverse mix of clients on safeguarding and leveraging their creative and technological assets across industries such as telecommunications, software, media, healthcare and consumer products. Her ability to navigate licensing, brand protection and regulatory considerations makes her a valuable partner for both domestic and international clients establishing or expanding their presence in Japan.

Her appointment as a member of Global Law Experts reflects not only the strength of her individual practice but also Atsumi & Sakai’s broader capabilities as a cross‑border, full‑service firm with deep Japanese expertise and a robust international footprint. Kasahara’s profile, published through credible professional channels, highlights a career that blends domestic leadership with substantial international exposure and ongoing contributions to the IP and IT communities.

Kasahara’s selection is grounded in verified credentials, respected industry recognition and a consistent track record of advising high‑profile clients on cutting edge technology and media matters. She is a director of the Entertainment Lawyers Network in Japan, a noted member of IP Lawyers Network Japan and an active participant in the Corporate Law Study Group at the Dai‑ichi Tokyo Bar Association. These roles underscore her commitment to professional leadership and her involvement in shaping IP and entertainment law in Japan and beyond.

As we extend a warm welcome, Global Law Experts emphasizes the value Kasahara brings to clients seeking sophisticated, globally aware IP counsel with a strong Japanese practice base and a track record of cross‑border success. Her career, publications and industry recognitions collectively demonstrate the depth of expertise that distinguishes her in the field.

<h2 Background

Chie Kasahara has practiced law in Japan for more than two decades, with formal admission to the Japanese bar dating back to 2000. She earned her legal education at Hokkaido University, where she completed an LL.B and subsequently an LL.M, and she began her career at Hayabusa Kokusai Law Offices before moving to Greenberg Traurig in New York, a period that provided her with valuable exposure to U.S. and international legal practice. She later became a partner at Hayabusa Asuka Law Offices before joining Atsumi & Sakai in January 2009, bringing substantial experience in IP and IT matters across borders. This blend of Japanese and international experience informs her nuanced approach to cross‑border licensing, data protection and entertainment law. ((https://www.aplawjapan.com/en/professionals/chie-kasahara?utm_source=openai))

Educational and professional milestones are complemented by Kasahara’s published work and thought leadership. Her scholarship includes commentary on IP, data protection and corporate law issues, and she has contributed to industry discussions on topics ranging from advertising and media to cross‑border content collaborations. This intellectual engagement helps her deliver practical, policy‑savvy counsel to clients navigating evolving regulatory regimes in technology, media and business. ((https://www.galalaw.com/team-info/japan/atsumisakai/chie-kasahara?utm_source=openai))

Kasahara’s professional standing is reinforced by sustained recognition from leading organizations in the IP and technology space. She has been noted as a leading practitioner in Technology, Media and Telecommunications (TMT) within The Legal 500 Asia Pacific and has been highlighted by Expert Guides and IP Star rankings for several years. These recognitions reflect her consistent performance, client impact and peer regard in a highly competitive field. ((https://www.galalaw.com/team-info/japan/atsumisakai/chie-kasahara?utm_source=openai))

Beyond individual accolades, Kasahara has contributed to international discourse through publications and participation in professional networks. Her involvement with organizations such as the Entertainment Lawyers Network Japan and IP Lawyers Network Japan demonstrates a commitment to advancing the profession and collaborating with peers across borders. ((https://www.galalaw.com/team-info/japan/atsumisakai/chie-kasahara?utm_source=openai))

<h2 The Firm Atsumi & Sakai

Atsumi & Sakai is a Tokyo based full‑service law firm known for its international orientation and cross‑border capabilities. The firm operates with a global mindset, maintaining offices in New York, London, Frankfurt and Brussels, and a presence in Ho Chi Minh City through a network of affiliated and partner offices. This global footprint enables Atsumi & Sakai to deliver coordinated, multinational legal solutions while preserving strong local Japanese expertise. In practice, the IP and IT teams work closely with other practice groups to support technology licensing, brand protection, data privacy and related regulatory compliance for clients navigating complex global markets. ((https://www.aplawjapan.com/en/about-us?utm_source=openai))

The firm actively markets its intellectual property registration practice, underscoring its depth in patents, utility models, trademarks, designs, breeders rights and copyrights, alongside strategic advice on IP protection that extends to non‑registered rights. This emphasis on comprehensive IP services aligns with Kasahara’s broad IP leadership and her clients’ needs for integrated, cross‑border counsel. ((https://www.aplawjapan.com/en/services/intellectual-property-registration?utm_source=openai))

Atsumi & Sakai’s international profile is further reflected in its capacity to field teams of Japanese and foreign lawyers who can operate in multiple languages and cross jurisdictions. This capability is especially relevant for clients pursuing global IP strategies, technology transfers, licensing arrangements and cross‑border enforcement. The firm’s global reach and cross‑border practice are consistently highlighted by independent directories and industry publications. ((https://www.aplawjapan.com/en/global-coverage/north-latin-america?utm_source=openai))

<h2 Practice Areas

Intellectual Property remains at the core of Kasahara’s professional practice. Her leadership of the IP and IT teams at Atsumi & Sakai places her at the forefront of protecting and monetizing IP assets for technology, media and consumer product clients in Japan and internationally. Her work encompasses trademark and brand protection, copyright and licensing, design rights and related enforcement matters, as well as strategic IP registrations for clients seeking robust protection in Japan and abroad. In cross‑border contexts, Kasahara advises on licensing structures, technology transfers and compliance considerations that arise when global brands operate in Japan or when Japanese entities expand overseas. ((https://www.galalaw.com/team-info/japan/atsumisakai/chie-kasahara?utm_source=openai))

• Intellectual Property strategy and protection for technology, media and consumer brands
• Copyright and licensing for software, digital content and entertainment properties
• Trademark prosecution, brand protection and anti‑counterfeiting initiatives
• Design rights and breeder’s rights in relation to product design and innovation
• Data protection and privacy issues impacting IP driven business models
• Cross‑border commercial transactions and licensing arrangements
• Regulatory and compliance guidance for advertising and media matters

Kasahara’s practice is characterized by a practical, business‑oriented approach that integrates IP strategy with broader considerations in corporate governance, technology law and cross‑border trade. She has advised on matters affecting major technology and media players, including telecommunications carriers and software developers, with a focus on safeguarding rights while enabling commercial growth. This track record is reflected in the clients she has supported and in her publications and thought leadership within the IP community. ((https://www.galalaw.com/team-info/japan/atsumisakai/chie-kasahara?utm_source=openai))

<h2 International and Regional Relevance

Kasahara’s profile highlights a strong international dimension. Her early experience in New York with a major global law firm and her leadership of Japan’s IP and IT teams place her in a unique position to counsel clients seeking seamless interaction between Japanese law and foreign regimes. Atsumi & Sakai continues to cultivate its cross‑border capabilities, with offices and affiliations that enable coordinated legal services across multiple jurisdictions. This international orientation is particularly important for global brands operating in Japan and for Japanese companies pursuing overseas expansion, licensing partnerships and cross‑border dispute resolution. ((https://www.aplawjapan.com/en/professionals/chie-kasahara?utm_source=openai))

Kasahara’s work intersects data protection, entertainment law, advertising and cross‑border commercial matters, reflecting the breadth of competencies that Global Law Experts associates with exclusive IP specialists in key markets. Her recognition by industry guides and the publication of influential articles further underscore her role as a trusted adviser for clients navigating evolving regulatory and market dynamics in Japan and beyond. ((https://www.galalaw.com/team-info/japan/atsumisakai/chie-kasahara?utm_source=openai))

Global Law Experts looks forward to fostering collaboration between Kasahara and clients seeking top tier intellectual property counsel in Japan, with a clear view toward global opportunities and compliant, innovative growth strategies. Kasahara’s combination of rigorous legal knowledge, practical business acumen and cross‑border experience makes her a compelling partner for international businesses and local enterprises alike.