Attorney Profiles
Attorney at Law
Junichi Kitahara

Passed the Japanese Bar Examination


LLB, Hitotsubashi University, Faculty of Law Entered the Legal Training and Research Institute (41st graduating class)


Admitted to the bar (Dai-ichi Tokyo Bar Association) Joined Ginza Law Office (current Abe, Ikubo & Katayama)


Studied and practiced in the United States of America LLM, New York University School of Law Worked at Winthrop, Stimson, Putnam and Roberts (New York)


Admitted to the New York Bar Returned to Japan and resumed practice at Abe, Ikubo & Katayama

Main Areas of Practice

Junichi Kitahara specializes in litigation related to domestic and international commercial disputes, mainly in the area of intellectual property. In intellectual property litigation, Mr. Kitahara has represented various clients in many types of disputes, especially those involving patents. He has served a main role in court in numerous cases, many of which have resulted in successful enforcement of clients’ patents or dismissal of competitors’ patent claims. His cases have involved a vast array of technologies and products, including pharmaceuticals, chemical products, medical devices, semiconductors and electronics, and computer software. In addition to his expertise in litigation, Mr. Kitahara is also specialized in bankruptcy and reorganization. He has extensive experience in acting as bankruptcy trustee officially appointed by the bankruptcy court and representing debtors in complex corporate reorganization cases.

  • IAM Global Leader – IAM Global Leaders (2022-2024)
  • Gold – Individuals: litigation (Japan: Domestic) – IAM Patent 1000 (2019-2024)
  • Litigation, Intellectual Property Law, Insolvency and Reorganization Law – The Best Lawyers in Japan  (2019-2025)
  • Intellectual Property: Domestic – Chambers Global (2019-2023)
  • Notable Practitioner, Intellecual Property – Asialaw (2021-2023)
  • Litigation Star – Benchmark Litigation Asia-Pacific & China (2022-2024)
Activities For Government Related Committees and Education

・Member of the “Review and Study Committee for Rights and Obligations of Applicants in Patent Applications”, Institute of Intellectual Property (2000-2001)
・Instructor in “Workshop for Patent Attorneys for Ensuring Skills in the Practice of Counsel for Specific Infringement Lawsuits”, Japan Patent Attorneys Association (2003 to date)
・Member of Interim Committee of Industrial Property Council (Examiner of the Examination for the Practice of Counsel for Specific Infringement Lawsuits) (2003-2004)
・Member of Interim Committee of Industrial Property Council (Examiner of the Patent Attorneys Examination) (2005 -2006)
・Lecturer at Waseda University (Basic of Intellectual Property at the Open Education Center) (2004 to 2013)
・Lecturer at Hitotsubashi University (IP Law) (2012 to date)

Publications and Articles

・”Insolvency Law in Australia – Focusing on the New Corporate Restructuring Procedures in (1) to (3)” NBL570 (95-6-1), 572(95-7-1), 574(95-8-1) (Co-author)
・” Commentary, System for Practical Forms, Intellectual Property Rights III, R&D and Licenses” Sanseido (1996) (Co-author)
・” Intellectual Property Rights Dictionary” Sanseido (2001) (Co-author)
・” Laws and Practice for Corporate Turnaround” Commercial Law Center (2002) (Co-author)
・” Concise Dictionary for Legal Studies” Sanseido (2003) (Co-author)