Jun Kashio

Marunouchi Office
Admitted in Japan and New York

Jun Kashio joined So & Sato in January 2026 after working at Japanese and foreign law firms. After starting his career, he mainly practiced in M&A, corporate law, and litigation. He then served at the Secretariat of Intellectual Property Strategy Headquarters in the Cabinet Office from 2017 to 2020, and specializes in IP and information law, including AI, copyright, privacy, and telecom. He has experience on secondment to domestic and foreign IT companies and financial institutions.

Practice Areas
M&A & Corporate, Dispute Resolution, Intellectual Property, Data Protection, Telecommunications Law

Language
Japanese, English

01/2026- So Sato Law Office
12/2025-04/2020 Atsumi & Sakai Law Firm
03/2020-12/2017 Cabinet Office, Intellectual Property Strategy Promotion Secretariat
11/2017-08/2015 Sidley Austin LLP
08/2013-12/2009 Minato International Law Office
05/2015 Georgetown Law Center
12/2009 The Legal Training and Research Institute of the Supreme Court of Japan
03/2006 Department of Political Science, Faculty of Law, Keio University