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Staff

Number of staff, etc.

Patent attorneys 4
Patent engineer 5
Translator 2
Paralegal 7
General affairs staff 3
Advisor 2
Legal Advisor 1
Total 24

KOICHIRO TSUJIMARU
Qualified attorney to represent in intellectual property infringement litigation
Ph.D (Engineering)・Ph.D (Medicine)

・Guest Professor at Kagawa Univ.

■Background

1988 Graduated from Department of Biological Production, Faculty of Biological Production, Hiroshima University
1988 Joined Nippon Sanso Corporation
1988 On loan to Faculty of Agriculture, Kyoto University for two years (joint research)
1992 Left Nippon Sanso Corporation under amicable circumstances
1992 Joined Saito Patent Office
1995 Left Saito Patent Office under amicable circumstances
1995 Joined Ikeuchi-Sato & Partner Patent Attorneys (former Ikeuchi-Sato Patent Office)
1999 Registered as a Patent Attorney
In charge of Tokyo Office (2002-2005)
2003 Registered to represent in intellectual property infringement litigation
2005 Left Ikeuchi-Sato & Partner Patent Attorneys under amicable circumstances
2005 Established Tsujimaru International Patent Office
2007 Completed Doctoral Course of Graduate School of Engineering, Osaka Prefecture University, received a doctorate in Engineering
2020 Completed Doctoral Course of Graduate School of Molecular pathology, Tokyo Medical University, received a doctorate in Medicine

■Specialties

General chemistry, semiconductors, electrical and electronic materials, optical films, photocatalysts, plant and equipment, machinery, biotechnology, IT, lawsuits, and licenses.


■Positions

・Committee member, Ministry of Economy, Trade and Industry “Society for the Study of Research and Development and Intellectual Property” (2002)
・Part-time Assistant Professor, Nara Institute of Science and Technology (2003)
・Specially appointed Professor, Intellectual Property Head Office, Chiba University (2004)
・Specially appointed Researcher, Osaka University Venture Business Laboratory (2003-2004)
・Lecturer, Kanagawa Science and Technology Academy Foundation (Intellectual property education in the field of biotechnology)
・Advisor, Japan Industrial Location Centre, “Society for the Study of regional development through industry-university cooperation” (2003-2004)
・Member of assessment committee, “Intellectual property human resources development curriculum”, Osaka Kyoiku University (2006)
・Guest Professor, Social Cooperation/Intellectual Property Center, Kagawa University (since 2008)
・Part-time lecturer, Kyoto University of Arts and Crafts (2015)


■Major publications

・Biotechnology Patent Practice (Research Institute of Economy, Trade and Industry)
・Genetic Business and Genome Patent (In collaboration with the Research Institute of Economy, Trade and Industry)
・Job Invention and National Strategy (In collaboration with the Research Institute of Economy, Trade and Industry)
・Intellectual Property - 20 Key Points (In collaboration with the Research Institute of Economy, Trade and Industry)
・Intellectual Property Basic Precedent Guide (In collaboration with the Asakura Publishing Co., Ltd.)

MASATO MATSUNAWA
Former trial examiner-in-chief at JPO・Ph.D (Jurisprudence)

・Former Professor at Graduate School, University of Tsukuba
・Former Guest Professor at Graduate school, Kanazawa Institute of Technology

■Background

1974 Graduated from Department of Organic and Polymeric Materials, School of Engineering, Tokyo Institute of Technology
1976 Completed Master's Course of Department of Textile Engineering, Graduate School of Engineering, Tokyo Institute of Technology
1976 Joined JPO as Assistant Examiner at JPO
1980 Started working as Examiner
2000 Started working as Director for Examination
2001 Started working as Trial Examiner-in-Chief
2009 Joined as Professor at Graduate School of Library, Information and Media Studies, University of Tsukuba
2011 Completed Doctoral Course of Graduate School of Law, Division of Law, Teikyo University (Jurisprudence)
2011 Started working as Professor at Faculty of Library, Information and Media Science, University of Tsukuba
2015 Registered as a Patent Attorney and joined Tsujimaru International Patent Office

■Specialties

machinery, textile, polymer, trial, litigation


■Positions

・Presenter in education and training for foreign examiners(1988)
・Presenter in Examiners training(1993)
・Presenter in National seminars under the sponsorship of JPO(1993)
・Regular member and Director in Japan Society of Kansei Engineering(2003)
・Regular member in Copyright Law Association of Japan(2004 to Current)
・Guest professor at Department of Law, Faculty of Law & Economics, Chiba University(2008)
・Professor at Graduate School of Library, Information and Media Studies, University of Tsukuba (2009 to 2015)
・Guest professor at Graduate Program in Systems for Intellectual Creation, Graduate School of Engineering, Kanazawa Institute of Technology (2008 to 2021)


■Major Publications & Academic Papers

・ " Patent Trial: Doctrine & Practice", Asakura Publishing Co., Ltd., 2008
・"Patents for Hitler", (Author: Guenter Reimann), (translated into Japanese), Diamond, Inc., 1983, (Collective writing)
・" Guidebook of Basic judicial precedents under Intellectual Property Law ", Asakura Publishing Co., Ltd., 2005, (Collective writing)
・ "Summary of Employee's invention litigation ", Research Institute of Economy, Trade and Industry, 2006, (Collective writing)
・"Legal issues of Photo collage of Portraits", Library, information and media studies, Volume 12, No. 1, Pages 29 to 40, 2004, (Collective writing)
・Provisions to Restrict amendment or Corrections in Patent Act, Kansei Engineering International, 2010 (CD-ROM)
・"Research in Intellectual property law of Software around Ichitaro & Hanako suit", Library, information and media studies, Volume 4, No. 1, Pages 21 to 40, 2006


HAJIME ISAJI
Qualified attorney to represent in intellectual property infringement litigation・Ph.D (Science)

■Background

1999 Completed Graduate School of Science, Kyushu University
2000 Joined a Patent Office
2005 Left the Patent Office under amicable circumstance
2006 Joined our office
2007 Registered as a Patent Attorney

■Specialties

General chemistry (particularly organic chemistry), medicine, resin, materials chemistry, plant and equipment, machinery


■Major Publications & Academic Papers

・Genetic Business and Genome Patent (In collaboration with the Research Institute of Economy, Trade and Industry)
・H. Isaji, M. Yasutake, H. Takemura, K. Sako, H. Tatemitsu, T. Inazu, T. Shinmyozu Eur. J. Org. Chem., 2487-2499 (2001).(Collaboration)
・Isaji, Hajime; Sako, Katsuya; Takemura, Hiroyuki; Tatemitsu, Hitoshi; Shinmyozu, Teruo, Tetrahedron Letters, Volume: 39, Issue: 24, June 11, 1998 pp. 4303-4304 (Collaboration)


AHN SOOANG
 

■Background

2011 Graduated from Department of Material Chemistry, School of Faculty of Science and Technology, Ryukoku University
2013 Completed Master's Course of Department of Material Chemistry, Graduate School of Science and Technology, Ryukoku University
2013 Joined Tokyo Cellolabel Ltd.
2021 Joined our office
2022 Registered as a Patent Attorney

ADVISOR: SUSUMU TAKAGI
Former Trial Examiner-in-chief at JPO・Former Judicial Research Official at Tokyo District Court

■Background

1973 Graduated from Department of Production Mechanical Engineering, School of Engineering, Tokyo Institute of Technology
1975 Completed Master's Course of Graduate School of Engineering, Tokyo Institute of Technology
1975 Worked as Assistant Examiner at JPO
1979 Worked as Examiner at JPO
1999 Worked as Judicial Research Official at Tokyo District Court
2002 Litigation Affairs Office, Appeals Department, JPO
2004 Worked as Trial Examiner-in-Chief at JPO
2008 Retired from JPO
Worked as Trial Investigator at JPO

ADVISOR: MASAHIRO WATADANI
Former Trial Examiner-in-Chief at JPO


■Background

1974 Graduated from Department of Mechanical Engineering, Faculty of Engineering, Kobe University
1976 Completed Master's Course of Graduate School of Production Mechanical Engineering, Kobe University
1976 Worked as Assistant Examiner at JPO
1980 Worked as Examiner at JPO
2005 Worked as Trial Examiner-in-Chief at JPO
2007 Worked as Division head of Trial Examiner-in-Chief at JPO
2009 Retired from JPO
  Worked as Trial Investigator at JPO etc.

LEGAL ADVISOR: RYOHEI KUDO
Attorney at law, Admitted in Japan & New York


■Background

2002 Received his LL.B. from the University of Tokyo
2002-2006 Worked at the Ministry of Defense
2006 Received his LL.M. from Columbia Law School (James Kent Scholar)
2007 Admitted to the New York State Bar Association
2010 Received his J.D. from the University of Tokyo School of Law
2012 Joined Mori Hamada & Matsumoto
2012 Joined Iwata Godo
2013 Seconded to Rodyk & Davidson LLP in Singapore
2013 Dispatched to Singapore International Arbitration Centre (SIAC) from Rodyk & Davidson LLP
2017 Legal Advisor for Tsujimaru International Patent Office

■Engaged Cases

・Providing advice on inbound/outbound dispute resolutions (litigation, mediation and arbitration in the area of business transactions among companies, commercial litigation, patents, trademarks, copyrights and other intellectual property rights, entertainment laws, trade secrets, unfair competition, preservation of evidence, M&A, joint ventures, financial products, product liability, real estate, labor issues, IT and software, collection of claims, etc.);
・Providing advice on intellectual property rights;
・Providing legal services on international business transactions;
・Dealing with business deployment, local regulations and disputes associated with overseas expansion of Japanese companies;
・Handling matters related to the Companies Act, shareholders’ meetings and the corporate governance; and
・Member of the Compliance Committee of a company listed on the First Section of the Tokyo Stock Exchange


■List of Main Publications

<<English>>
“Getting the Deal Through: Enforcement of Foreign Judgments” (Japan Chapter) (Law Business Research, 2014)
“The International Comparative Legal Guide to: Litigation & Dispute Resolution 2014” (Japan chapter) (Global Legal Group Ltd., 2014)
“Distribution & marketing of drugs: Jurisdictional comparisons”(Japan chapter) (The European Lawyer Reference Series, 2012)
<<Japanese>>
“New Story of Shareholders' Meeting” (co-author, Shoji Houmu, 2017)
“Q&A: Handbook for Outside Directors/ Outside Company Auditors”(co-author, Nihon Kajo Publishing Co., Ltd., 2015)
“IPO and Strategic Legal Affairs - Taking into Account the Viewpoint of Accountant” (co-author, Shoji Homu, 2015)
“Special Edition: Q&A Concerning Revision of the Companies Act and Practical Business” (co-author, Kinyu Homu Jijo, Sept. 25, 2014)