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.
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:
Select publications include:
Paul Hastings Recognized in 2019 Managing Intellectual Property’s IP Stars
June 24, 2019
Paul Hastings Recognized in 2019 IAM Patent 1000 as One of the Most Sophisticated Patent Litigation Practices
June 07, 2019
Paul Hastings Recognized in 2018 Managing Intellectual Property IP Stars
June 18, 2018
Paul Hastings Recognized in 2018 IAM Patent 1000 For Superb Track Record in Patent Litigation
June 15, 2018
Paul Hastings Recognized For Pristine Patent Litigation Track Record in 2017 IAM Patent 1000
August 08, 2017
Paul Hastings’ IP Growth Continues with Leading Tech and Life Sciences Partner Additions in Japan and U.S.
July 06, 2016
Growth Opportunities Come With Danger: As Japanese Life Sciences Companies’ Outward Bound Investments Continue to Grow, So Do the Significant Compliance
December 09, 2016
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.
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.
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