Masato Hayakawa > Morrison Foerster > Tokyo, Japan > Lawyer Profile

Morrison Foerster
TOKYO 100-6529

Work Department

Technology Transactions




Masato’s practice is concentrated on transactions and counseling involving intellectual property, including structuring and negotiating license agreements, technology transfers, adversarial patent litigation settlements, outsourcing arrangements, joint development agreements, and other intellectual property matters relevant to technology companies. Masato is also very experienced in the intellectual property aspects of mergers and acquisitions. He advises clients, both emerging and established companies, from a range of industries. For example, Masato has counselled companies in the pharmaceutical and medical device industries, semiconductor technology companies, financial institutions, and multinational technology conglomerates. He has extensive experience in cross-border transactions, having worked on major transactions in the United States, Asia, and Europe.




University of California, Berkeley, A.B.

Yale Law School, J.D.

Bar Admissions: California and Japan (Gaikokuho-Jimu-Bengoshi)

Lawyer Rankings

Japan > Intellectual property: International firms and joint ventures

(Leading individuals: Gaiben)

Masato HayakawaMorrison Foerster

The fully bi-lingual and comprehensive IP offering at Morrison Foerster is headed by Louise Stoupe, Masato Hayakawa, and Yuka Teraguchi. The firm has significant experience in advising clients in a number of fields including IT, FinTech, life sciences, telecommunications and the semiconductor industries. Stoupe focuses on commercial litigation and technology related to IP, while Hayakawan’s practice is concentrated on transactional IP matters, such as licensing, technology transfers. Teraguchi is co-head of the litigation department, and is a hardware and software litigation expert. Max Olson is also a name of note, he is an expert patent litigator, often covering multi-jurisdictional cases including in the US. Chie Yakura’s expertise as lead counsel in multiple complex technology and IP related disputes, strengthens the teams offering. In addition, Yukihiro Terazawa is also a litigation expert who handles areas including international licensing and privacy matters, while Akira Irie is noted for frequently representing Japanese clients before US courts.

Japan > TMT: International firms and joint ventures

(Leading individuals: Gaiben)

Masato HayakawaMorrison Foerster

Morrison Foerster draws on the strength of the firm’s corporate and IP practices to provide clients with advice on technology transactions. The team specialises in content issues, IP development work, branding mandates, licensing matters and technology and partnering transactions leveraging the firm’s strong cross-border transactional and litigation expertise. Industries of expertise include the software and hardware, semiconductor, life sciences, IP, and biotechnology industries. The practice is led by Masato Hayakawa, who is an IP structuring and negotiation expert, and fields Yukihiro Terazawa, who is a key contact for contentious matters relating to commercial technology transactions. M&A head Ken Siegel also contributes to the practice along with newly elected partner Seth Graham, who handles licensing agreements, joint development activities and IP asset monetisation matters. At the non-partner level, senior associate Aya Eguchi advises on IP acquisitions, developments and transfers.