Tokyo + 81.3.6800.1812

Harukuni Ito has more than 20 years of practice experience in litigation, arbitration, and commercial transactions involving intellectual property.

Harukuni has extensive experience handling patent litigation before Japanese courts and proceedings before the Japan Patent Office in areas including electronics, automotive, machinery, and pharmaceuticals. He also has represented clients before Japanese courts in litigation involving various types of unfair competition practices, including trade secret misappropriation, confusing indication of goods and business, imitation of the configuration of another person's goods, and infringement of business reputation. In addition, he has represented individuals in employee invention litigation and moral rights litigation.

Harukuni has particular experience in commercial law involving technology-related international transactions, such as technology/product licenses, research and development, and technology-based joint ventures.

In recent years, Harukuni’s practice has focused on commercial transactions and dispute resolution in the life sciences sector. He has handled a number of licensing, supply, co-promotion, and other types of transaction documents in the sector. He also has handled multiple international arbitration proceedings related to pharma license disputes.

Harukuni also represents clients in non-IP litigation and disputes, such as contract, labor, and shareholder derivative litigation.

He works comfortably with clients in Japanese and in English.


  • Otsuka acquires new, high-sensitivity biomarker measurement technology from Konica MinoltaJones Day advised Otsuka Pharmaceutical Co., Ltd. in the acquisition of Konica Minolta's new high-sensitivity biomarker measurement technology that uses SPFS (surface plasmon field-enhanced fluorescence spectroscopy) technology.
  • Global pharmaceutical client wins ICC arbitration arising from collaboration disputeJones Day successfully defended a multinational, pharmaceutical client against a $300-plus million breach-of-contract claim arising from a collaboration agreement and that alleged among other things a failure to use commercially reasonable efforts.
  • Japanese consortium led by Suntory partners with Anellotech to develop plastics recycling technologyJones Day advised a consortium jointly established by Suntory and other Japanese companies in connection with its partnering with Anellotech, Inc., a U.S.-based biochemical company, in the development of a plastics recycling technology.
  • Global pharmaceutical company seeks over $1 billion in ICC arbitration related to licensing agreementJones Day successfully represented a global pharmaceutical company seeking over $1 billion in a licensing agreement dispute over royalty payments and the application of U.S. Supreme Court decisions in Brulotte and Kimble, among other claims.
  • Pharmaceutical company defends ICC arbitration relating to licensing agreementJones Day is representing a multinational, pharmaceutical company in an ICC arbitration arising from a dispute over the term of a license agreement and when royalty payment obligations ceased.
  • UPL acquires Arysta LifeScience from Platform Specialty Products Corporation for $4.2 billionJones Day advised UPL Limited ("UPL"), a leading global generic agrochemical company based in India, in connection with its subsidiary, UPL Corporation Limited’s, US$4.2 billion acquisition and related $3 billion term financing of Arysta Lifescience Inc. (“Arysta”), a global provider of crop protection solutions, including bio-solutions and seed treatment, from NYSE listed Platform Specialty Products Corporation (“Platform”).
  • TonenGeneral Sekiyu combines with JX GroupJones Day advised TonenGeneral Sekiyu K.K. in connection with the business integration with JX Group, which forms the largest oil refiner in Japan.
  • Riverside acquires Y InternationalJones Day advised The Riverside Company in connection with its acquisition of Y International, Inc., a Tokyo-based bicycle retailer with 29 company-owned stores across Japan with a particular focus on metropolitan Tokyo.
  • SDS Biotech acquires Sree RamcidesJones Day advised SDS Biotech K.K., a subsidiary of Idemitsu Kosan Co., Ltd., in connection with the acquisition of 65% of the shares of Sree Ramcides Chemicals Pvt. Ltd., a Chennai-based agrichemicals manufacturer, from ePlanet Capital and certain minority shareholders.
  • Hon Hai Precision acquires LCD-related patent portfolio from NEC Corporation for ¥9.5 billion (US$110 million)Jones Day advised Hon Hai Precision Industry Co., Ltd. (also known as Foxconn), the world's largest EMS (Electronics Manufacturing Service) provider headquartered in Taiwan, in its purchase through its subsidiary, Gold Charm Ltd., of an LCD-related patent portfolio from NEC Corporation for ¥9.5 billion (approximately US$110 million).
  • RHJ International sells its 77.9% ownership of Niles Co. to Valeo for ¥15.4 billion (€135 million)Jones Day advised RHJ International SA in its sale of its 77.9% interest in Niles Co., Ltd., a Japanese auto parts manufacturer, to Valeo SA, a worldwide leader in the interior controls market, for a total cash consideration of ¥15.4 billion (€135 million).
  • Toray Industries and TonenGeneral Sekiyu K. K. form joint ventureJones Day advised Toray Industries, Inc. in its formation of a joint venture with TonenGeneral Sekiyu K. K. through a new contribution of capital into Tonen Specialty Separator Godo Kaisha to develop, manufacture and sell lithium ion battery separator film.
  • Sumitomo Corporation acquires 35% stake in Hachette FujingahoJones Day advised Sumitomo Corporation in its strategic alliance with and acquisition of a 35% stake in Hachette Fujingaho, a subsidiary of Lagardère SCA.
  • Nissin Food acquires 33.5% stake in Russia's AnglesideJones Day represented Nissin Foods Holdings Co., Ltd. in connection with the acquisition of a roughly 15% stake in Angleside Ltd, the holding company of Mareven Food Central, the leading instant noodle manufacturer in Russia, for approximately ¥9 billion ($100 million).
  • SCHOTT acquires majority share in Japan-based Moritex, expanding fiber optic operations into AsiaJones Day advised SCHOTT AG in its Yen 7.28 billion ($82 million) acquisition of a controlling interest in Tokyo-based Moritex Corporation.
  • Speaking Engagements

    • May 2021
    • October 2020
    • August 2019
    • November 2013