Hiroyuki Hagiwara

Partner, Litigation Department

Tokyo

T 81-3-6229-6015

F 81-3-6229-7015

Hiroyuki Hagiwara is a partner in the Litigation Department and based in the firm’s Tokyo office. Mr. Hagiwara offers more than 20 years of experience in cross-border litigations and transactions. Patent infringement litigations, licensing transactions and disputes, arbitrations and investigations are the main focus of his practice. In patent disputes, Mr. Hagiwara has handled wide-ranging subject matters from electronics, software, chemical, pharmaceutical, biologics, semiconductor, telecommunication to automotive. Mr. Hagiwara has represented clients in US DOJ investigations, international arbitrations and mediations, US Federal Court actions, ITC Section 337 investigations, US PTAB proceedings. He has represented US, European, Asian and Japanese clients in various legal matters.

Clients and independent sources have singled him out as one of the very best in the market to navigate the complex cross-border dispute landscape. One client describes Mr. Hagiwara as a “very smart and very aggressive” practitioner who is “very good and prominent in US patent litigation” (Chambers Global 2018). Another client adds: “He is a top litigator who understands what Japanese customers want and works very closely with them” (Chambers Global 2018). IAM Patent 1000 says, “he oversees proactive enforcement and commercialisation strategies and executes them wherever required” (IAM Patent 1000: 2018). Another source calls Mr. Hagiwara a “Dispute Resolution Star” (Benchmark Litigation Asia Pacific 2019). He was also named Cross-Border Disputes Lawyer of the Year in Japan by Global Law Experts (2019). Mr. Hagiwara’s case and matter list is available upon request.

Accolades and Recognitions

Dispute Resolution Star in Intellectual Property Disputes - Benchmark Litigation (Asia-Pacific) (2013, 2019)
Cross-Border Disputes Lawyer of the Year in Japan - Global Law Experts (2019)
(Band 1) Japan, Intellectual Property: International for 8 consecutive years - Chambers Global (2012-2019)
(Band 1) Japan, Intellectual Property: International for 8 consecutive years - Chambers Asia-Pacific (2012-2019)
The World's Leading Patent Professionals, Japan: Foreign for 8 consecutive years - IAM Patent 1000 (2012-2019)
The Best Lawyers in Japan, Intellectual Property Law for 7 consecutive years - The Best Lawyers in Japan (2014-2020)
Patent Star, Japan for 6 consecutive years - IP Stars, Managing Intellectual Property (2014-2019)
Japan, Intellectual Property: Top Tier International Law Firm and Leading Individual for 4 consecutive years - The Legal 500 Asia-Pacific (2016-2019)
The leading IP Litigation lawyers in Japan for 6 consecutive years - Who’s Who Legal (2014-2019)
Expert in Patents, Japan - Expert Guides (2018-2019)
World IP Review Leader, Technology Patents for 3 consecutive years - The World IP Review (2016-2018)
The World’s Leading Patent Litigators - IAM Patent Litigation 250 (2011)
The World's Leading Patent and Technology Licensing Lawyers - IAM Licensing 250 (2010-2012)
IP Experts - Asia IP (2013-2014)

Speaking Engagements and Publications

Mr. Hagiwara is often engaged to speak on international IP, litigation, and investigations matters. He is a frequent lecturer at such renowned institutions as Keio University Law School, Kyoto University, Osaka Institute of Technology, University of Washington Law School and Waseda University Law School. Select speaking engagements include:

Recent Developments and Trends in U.S. Patent Litigation and Post-Grant Proceedings, Co-Speaker, May 2019, Paul Hastings CLE Seminar Series
Proving Damages Case in International Business Disputes, Co-Speaker, April 2019, Paul Hastings Seminar
Summary of Latest Developments in U.S. Patent Law, Co-Speaker, February 2019, Paul Hastings CLE Seminar Series
Recent Developments, Trends, and Statistics in Biologics, ANDA (Hatch-Waxman) and Medical Device Litigation in the U.S., Co-Speaker, October 2018, Paul Hastings CLE Seminar Series
Best Practices: Japanese Multinational Corporations and Navigating through FCPA and other Legal Hurdles, Co-Speaker, July 2018, JOI Seminar Series
US DOJ Investigation and Prosecution of Corporate Fraud and Corruption Cases against Japanese Companies, Co-Speaker, May 2018, FRONTEO Conference; CLE provided by Paul Hastings
U.S. Department of Justice Investigations of Corporate Crimes and Corporate Fraud, Speaker, December 2017, LEXIS-NEXIS Japan Seminar; CLE provided by Paul Hastings
Oil States Arguments, Co-Speaker, December 2017, Paul Hastings Seminar
Anti-Bribery and Anti-Corruption, Speaker and Panelist, October 2017, ACI Conference in Singapore
Mission-Critical Cybersecurity: How Legal Teams are Preparing for the New Era of Digital Defense, Co-Speaker, October 2017, Paul Hastings CLE Seminar Series supported by JOI
Key Monetization Strategies For Creating Multiple Revenue Streams In a Changing Legal Landscape, Co-Speaker, July 2017, AIPPI JAPAN Seminar Series
Mission-Critical Cybersecurity: How Legal Teams Are Preparing for the New Era of Digital Defense, Co-Speaker, June 2017, Paul Hastings CLE Seminar Series
How Trump Sec May Impact Japanese Companies in 2017, Co-Speaker, June 2017, Paul Hastings CLE Seminar Series
Life Sciences Industry’s Compliance Challenges - Recent Cases in US DOJ Investigations in the Sector, Speaker, May 2017, Paul Hastings CLE Seminar Series
US DOJ Investigations of Japanese Companies in Auto Industry, Speaker, April 2017, Paul Hastings CLE Seminar Series
US DOJ Investigations’ Reach, Theories and Practical Impact on Business, Speaker, March 2017, LEXIS NEXIS CLE Seminar Series
Best Approaches to Compliance/Enforcement Risks in Life Sciences, Healthcare and Technology Industries, Co-Speaker, November 2016, FRONTEO Conference

Select publications include:

Co-author, “2018 Year-in-Review: Important U.S. Patent Law Developments”, Intellectual Property Law Annual Report 2018-2019, Nippon Hyoron Sha Co., Ltd, December 25, 2018
Co-author, “2017 Year-in-Review: Important U.S. Patent Law Developments”, Intellectual Property Law Annual Report 2017-2018, Nippon Hyoron Sha Co., Ltd, December 25, 2017
Co-author, “Growth Opportunities Come with Danger: As Japanese Life Sciences Companies’ Outward Bound Investments Continue to Grow, so Do the Significant Compliance and Enforcement Risks”, Journal of the Japanese Institute of International Business Law, Vol. 45, No. 2, February 2017
Co-author, “2016 Year-in-Review: Important U.S. Patent Law Developments”, Bloomberg BNA Patent, Trademark & Copyright Journal, January, 2017
Co-author, “2016 Year-in-Review: Important U.S. Patent Law Developments”, Intellectual Property Law Annual Report 2016-2017, Nippon Hyoron Sha Co., Ltd, December 25, 2016
Co-author, “2015 Year-in-Review: Important U.S. Patent Law Developments,” Bloomberg BNA Patent, Trademark & Copyright Journal, January 29, 2016
Quoted, “Could Courts Enable Cheaper Challenges To NPE Claims?” Law360, October 29, 2015
Quoted, “Why Is The Fed. Circ. So Deeply Divided On Patent Cases?” Law360, October 13, 2015
Quoted, “What Are Your IP Litigation Landmines” Law360, September 14, 2015
Quoted, “Post Limelight, Could Patent Act Be More User-Friendly?” Law360, August 21, 2015
Quoted, “Should Trademarks And License Plates Be Treated The Same?” Law360, July 17, 2015
Co-author, “2014 Year-in-Review: Important U.S. Patent Law Developments - A Busy Tech Year,” Bloomberg BNA Patent, Trademark & Copyright Journal, January 30, 2015; also Bloomberg BNA Patent, Trademark & Copyright Daily, January 26, 2015
“Attorney-Client Privilege” Intellectual Property Management,” Japan Intellectual Property Association, Vol. 64, No.5 (No. 761), May 2014
Co-author, “2013 Year-in-Review: Important U.S. Patent Law Developments,” Bloomberg BNA’s Patent, Trademark & Copyright Journal, January 31, 2014
“Standard Essential Patents, FRAND Licensing,” co-author, Intellectual Property Law Annual Report 2013, December 2013, Nippon Hyoron Sha
“The Latest Developments in the U.S. Patent Law,” co-author, Intellectual Property Law Annual Report 2013, December 2013, Nippon Hyoron Sha
"International Commerce and Licenses: Taking Care not to Give it all Away,” Intellectual Asset Management Magazine, Life Sciences 250
“2012 Year-in-Review: Important U.S. Patent Law Developments,” Bloomberg BNA’s Patent, Trademark & Copyright Journal, January 4, 2013
“Joint and Divided Infringement: Navigating the Changing Landscape For Multiple Actors and Distributed Systems Under U.S. Patent Law,” Intellectual Property Management, Japan Intellectual Property Association, Vol. 62, No.3 (No. 735), March 2012
“2011 Year-In-Review: Important U.S. Patent Law Developments,” IP Bloomberg Law Report, January 2012

Professional and Community Involvement

Attorney at Law admitted to practice in the State of New York
Registered United States Patent Attorney
Admitted to practice in the following courts: Supreme Court of the United States, the United States Court of Appeals for the Federal Circuit, The United States District Court for the Eastern District of New York, The United States District Court for the Southern District of New York, The United States District Court for the Eastern District of Texas.
Gaikokuho Jimu Bengoshi (Licensed Foreign Law Specialist) and Member of the Daini Tokyo Bar Association
Licensing Executives Society Japan
A.I.P.P.I. Japan
New York Intellectual Property Law Association
Japan Intellectual Property Association

Education

New York University School of Law, LLM, 1999; Heiwa Nakajima Scholar
Tokyo University of Science (Tokyo Rika Daigaku), B.S. in Electrical Engineering, 1998
Keio University, LLB, 1993; Dartmouth-Keio Exchange Scholar, 1990-1991

Rankings & Awards

Recognized by Chambers Global 2019
Chambers Global 2019: The World’s Leading Lawyers listed the firm in 37 research areas and named 59 firm lawyers to its rankings of leading lawyers and law firms adept in complex international work and with strong cross-border capabilities.
February 14, 2019

Recognized by Chambers Asia 2018

Paul Hastings is ranked in 14 practice areas across 3 categories in Asia – Asia-wide, China (including Hong Kong) and South Korea.

December 08, 2017

2018 Legal 500 Asia

Paul Hastings is ranked in 19 practice areas across 5 jurisdictions in Asia – Hong Kong, China, Japan, Philippines, and South Korea.

November 29, 2017

Paul Hastings IP Practice Honored in 2017 IAM Patent 1000
Intellectual Asset Management highlighted Paul Hastings' IP practice in IAM Patent 1000: The World's Leading Patent Professionals. The guide ranked the firm's practices Nationwide as well as in New York and Washington, DC. Paul Hastings partners were ranked in California: Yar Chaikovsky; New York: Joseph O'Malley; Gerald Flattmann; Preston Ratliff; Bruce Wexler; Samuel Waxman; Washington DC: Naveen Modi; Blair Jacobs; Joseph Palys; and Allan Soobert; and in Japan: Hiroyuki Hagiwara. Paul Hastings attorneys were also recognized in IAM's Nationwide tables: Yar Chaikovsky and Blair Jacobs were recommended for International Trade Commission litigation; Jacobs was recommended for his experience in Federal Circuit appellate litigation; and Naveen Modi and Joseph Palys were both recognized for their strength in post-grant proceedings. Preston Ratliff was also noted in the IAM Strategy 300, which recognizes individuals for their work in protecting intellectual property as a key business asset.
June 06, 2017

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