HOME > Professionals

Professionals

Attorneys/Patent Attorneys

Shusaku YAMAMOTO PATENT ATTORNEY

Shusaku YAMAMOTO, is the Founder of SHUSAKU·YAMAMOTO. He founded the Firm on September 20, 1979. His practice focuses on the worldwide procurement, defense and enforcement of patents in the biotechnology, chemical, biopharmaceutical, electronics materials, life sciences, medical device & pharmaceutical industries.

Languages: Japanese & English.

Kensaku YAMAMOTO ATTORNEY-AT- LAW/PATENT ATTORNEY

Kensaku YAMAMOTO, is the Owner of SHUSAKU·YAMAMOTO. He joined the Firm in 2011. His practice includes intellectual property litigation, appellate, health regulatory, technology contracts and licensing and other IP-related commercial and corporate matters. He also advises clients on all types of Commercial and Contract Contentious And Non-Contentious Matters, including Complex Commercial And Contract Disputes, Licensing, Merchandising and Transactional, Patent, Trademark, Design & Other Commercial/IP Litigation, Anti-Counterfeiting, Criminal IP Enforcement, Customs Seizures, Research And Technology Collaboration, Employment & Labor, General Corporate Governance & Compliance Matters, Corporate Finance, Venture Capital, Project Finance, Corporate Reorganization & Insolvency, Franchise, Special Liquidation, Business Incorporation, Ventures & Startups.

Languages: Japanese & English.

Takeshi OSHIO PATENT ATTORNEY

Takeshi OSHIO, was born in Osaka, Japan, has a Bachelor's degree in Mathematics from Tohoku University, a National University (1985). He joined the firm as a patent practitioner in 1992. Before joining the Firm as an Associate, he was an engineer at Hitachi Ltd. He is registered to practice before the Japanese Patent Office and appear as Patent Counsel before the Japanese Courts, admitted, 1995.

Languages: Japanese and English.

Practice Areas: Automotive, Aerospace, Electronics, Energy, Computer Software & Hardware, Mechanical, Medical devices, Satellite & Communication, LSI, Patent Invalidation & Litigation.

John A. TESSENSOHN FOREIGN ATTORNEY

John A. Tessensohn, was born in Singapore. Before joining the Firm in November 1994, he practiced in Singapore as a litigation lawyer handling general civil, trust, complex corporate & international IP matters.

Language: English.

Practice Areas: International Intellectual Property, Patent & Trademark Litigation, Trademarks, Patent Term Extensions, Unfair Competition, Domain Names, Designs, Utility Models, Copyright, Branding, Entertainment, Anti-counterfeiting, Anti-Piracy & Customs Enforcement, Criminal IP Enforcement, Technology Transfer, Licensing, Labeling, Advertising, Marketing, Sweepstakes, Promotions, & Premiums, Health Regulatory, Pharmaceutical Advertising, Antitrust, Investigation, Due Diligence, Startups & Ventures, Corporate Finance, Venture Capital, Project Finance, General Corporate Governance, Compliance matters, Cross border Corporate Insolvency, Corporate Restructuring and International Commercial Transactions & Litigation.

Natsuki MORISHITA PATENT ATTORNEY

Natsuki MORISHITA, born in Kanagawa, Japan. He has a Bachelor's degree in Chemical Science from University of Tokyo, a National University (1988). Before joining the Firm as an Associate, he was an engineer at Sekisui Chemical Industries Co., Ltd. He is registered to practice before the Japanese Patent Office and appear as Patent Counsel before the Japanese Courts, admitted, 1998.

Languages: Japanese and English.

Practice Areas: Cosmetics, Food technology, Organic and Inorganic Chemistry, Cleantech, Industrial Chemistry, Medical imaging technology including MRI, x-ray, ultrasound, etc., Polymer Chemistry, Medical Devices, Patent Term Extensions & Patent Opposition, Invalidation & Litigation.

Takeshi S. KOMATANI PATENT ATTORNEY

Takeshi S. KOMATANI, born in Osaka, Japan. He has a Doctorate in Pharmaceutical Sciences from University of Tokyo, a National University (1998). Before joining the firm, he was a researcher at F. Hoffmann - La Roche AG in Basel, Switzerland. He is registered to practice before the Japanese Patent Office and appear as Patent Counsel before the Japanese Courts, admitted, 2000.

Languages: English, German, French and Japanese.

Practice Areas: Biochemistry, Cleantech, Food technology, Molecular biology, Microbiology, Organic chemistry, Life Sciences & Diagnostics, Medical imaging technology, devices & instruments, Pharmaceutical sciences, Bioinformatics, Patent Term Extensions and Patent Opposition, Invalidation & Litigation.

Masahisa HASEBE PATENT ATTORNEY

Masahisa HASEBE, born in Hokkaido, Japan. He has a Master's degree in Fermentation Technology from Osaka University, a National University (1991). Before joining the firm as an associate in 1999, he was a researcher at Pharmacia Biotech Co.,Ltd. He is registered to practice before the Japanese Patent Office and appear as Patent Counsel before the Japanese Courts, admitted, 2005.

Languages: Japanese & English.

Practice Areas: Biotechnology, Cleantech, Diagnostic, Surgical, and Medical Imaging equipment & devices, Microbiology, Molecular Biology, Medical devices & Instruments, Organic Chemistry, Patent Term Extensions and Patent Opposition, Invalidation & Litigation.

Takatoshi IIDA PATENT ATTORNEY

Takatoshi IIDA, born in Yokohama, Japan. He has a Master's degree in Physics from University of Tokyo (2005) and joined the firm in 2005 after his university graduation. He is registered to practice before the Japanese Patent Office and appear as Patent Counsel before the Japanese Courts, admitted, 2012.

Languages: Japanese & English.

Practice Areas: Automotive, Aerospace, Electronics, Energy, Electrical Engineering, Mechanical, Medical devices, Semiconductor devices, Software Engineering, Transportation, Telecommunications, Patent Litigation & Invalidation.

Hajime KASHIDA PATENT ATTORNEY

Hajime KASHIDA has a Bachelor's degree in Science from Rikkyo University (1971). Before joining the Firm, he was an engineer at Sharp Ltd. He is registered to practice before the Japanese Patent Office and appear as Patent Counsel before the Japanese Courts, admitted, 2009.

Languages: Japanese and English.

Practice Areas: Electronics, Semiconductor Device & Electronic Devices.

Daisuke ISHIKAWA PATENT ATTORNEY

Daisuke ISHIKAWA, born in Shizuoka, Japan. He has a Master's degree in Biotechnology from Osaka University, a National University (2004). Before joining the firm as an associate in 2005, he working in Fuji Soken. He is registered to practice before the Japanese Patent Office and appear as Patent Counsel before the Japanese Courts, admitted, 2012.

Languages: Japanese & English.

Practice Areas: Biotechnology, Consumer Products, Cleantech, Diagnostic, Surgical, and Medical Imaging equipment & devices, Molecular Genetics, Molecular Biology and Chromosomal Engineering, Nanotechnology, Licensing, Patent Term Extensions, Reinstatement and Restoration of Patent Filings, Patent Opposition, Invalidation & Litigation & Designs.

Ryouji MIKATA PATENT ATTORNEY

Ryouji MIKATA, born in Osaka, Japan. He studied Architectural Engineering at Osaka University (2002). Before joining the firm as an associate in 2012, he worked for a judicial scrivener firm. He is registered to practice before the Japanese Patent Office and appear as Patent Counsel before the Japanese Courts, admitted, 2011.

Languages: Japanese & English.

Practice Areas: Trademarks, Designs, Unfair Competition, Anti-counterfeiting, Customs & Criminal IP Enforcement and Civil Law.

Laarni Q. VINAS FOREIGN ATTORNEY

Laarni Q. VINAS was born in Naga City. She graduated with a Juris Doctor from University of the Philippines Diliman (2011) and a Bachelor of Arts (Political Science) from Ateneo de Manila University (2004).

She is a Senior Associate.

She was admitted as an Attorney of Law in New York (2016) and the Philippines (2012). Before joining the Firm as a Legal Assistant in 2012, she had administrative and legal experience in intellectual property, tax, real estate and commercial matters.

Language: English

Practice Areas: Health Regulatory, General Corporate Governance and Compliance, Licensing, Antitrust, Transactions, Due Diligence, Ownership & Recordals, Procurement, Practice & Technology Management, Assignments, Ownership, Startups & Ventures, General Corporate Governance, Compliance, Corporate Finance, Venture Capital, Project Finance, Franchise & Distribution, Procurement, Cross border Corporate Insolvency, Corporate Restructuring and International Commercial Transactions & Litigation.

Masato IDAKA ATTORNEY-AT- LAW

Masato IDAKA was born in Kyoto, Japan. He graduated with a Juris Doctor from Kobe Gakuin University (2009) and a Bachelor of Commerce from Doshisha University (2005). He is registered to practice before the Supreme Court of Japan, admitted, 2013.

Languages: Japanese and English

Practice Areas: Patent, Trademark & IP Litigation, Anti-counterfeiting, Customs & Criminal IP Enforcement, Employment & Labor, Confidentiality, Privacy and Data Protection, Redundancies & Early Retirement, Unfair Competition, Antitrust, General Corporate Governance and Compliance matters, Corporate Restructuring and International Commercial Transactions & Litigation.

Seiya TOGASHI PATENT ATTORNEY

Seiya TOGASHI was born in Hokkaido, Japan. He has a Master's degree in Life Science from Hokkaido University, a National University (2014). He is registered to practice before the Japan Patent Office, admitted, 2014.

Languages: Japanese and English

Practice Areas: Biotechnology, Immunological therapies and diagnostics, recombinant DNA technologies, Microbiology, Molecular Biology, Patent Opposition and Invalidation.

Mitsuhiko KUSAFUKA ATTORNEY-AT- LAW

Mitsuhiko KUSAFUKA was born in Mie, Japan. He graduated with a Juris Doctor from Kyoto University (2010) and a Bachelor of Law from Kyoto University (2008). He is registered to practice before the Supreme Court of Japan, admitted, 2011.

Languages: Japanese and English

Practice Areas: Patent, Trademark & IP Litigation, Unfair Competition, Corporate Finance, Venture Capital, Project Finance, General Corporate Governance, Compliance, Antitrust, International Corporate Transactions, Civil Rehabilitation, Corporate Insolvency, Privacy And Security/Compliance, Corporate Reorganization & Restructuring, Distribution, Franchise & Dealership.

Satoshi NAMBA ATTORNEY-AT- LAW

Satoshi NAMBA was born in Yokohama, Japan. He graduated with a Juris Doctor from Waseda University (2012) and a Bachelor of Social Sciences from Waseda University (2009). He is registered to practice before the Supreme Court of Japan, admitted, 2014.

Languages: Japanese and English

Practice Areas: Patent, Trademark & IP Litigation, Unfair Competition and General Corporate Governance and Compliance matters.

Takayuki HASHIMOTO PATENT ATTORNEY

Takayuki HASHIMOTO was born in Hyogo, Japan. He has a Master's degree in Mechanical Engineering from Shinshu University, a National University (1995). Before joining the Firm in 2015, he was an examiner of Japan Patent Office. He is registered to practice before the Japan Patent Office, admitted, 2015.

Languages: Japanese and English

Practice Areas: Mechanical Engineering, Production Systems Engineering, Mechatronics and Semiconductor Engineering.

Leona YEO FOREIGN ATTORNEY

Leona YEO was born in Wahroonga. She graduated with a Bachelor of Laws (2015) from the Australian National University (ANU). She was admitted as a lawyer of the Supreme Court of the Australian Capital Territory (2016). Before joining the Firm as an Assistant in 2015, she had experience in banking, finance and intellectual property matters.

Language: English

Practice Areas: Trademarks, Unfair Competition, Customs Seizures and Anti-Counterfeiting.

Satoshi FUKUNAGA ATTORNEY-AT- LAW/PATENT ATTORNEY

Satoshi FUKUNAGA was born in Osaka, Japan. He graduated with a Juris Doctor from Osaka University(2010) and Electoronics and Materials Physics from Osaka University(2004). Before joining the firm, he was working in JX Nippon Mining Metals Co. He is registered to practice before the Supreme Court of Japan, admitted, 2011.

Language: Japanese and English

Practice Areas: Patent,Trademark & IP Litigation,Unfair Competition, General Corporate Governance,Complianace matters.

Brent RENNER-HAHN FOREIGN ATTORNEY

Brent RENNER-HAHN was born in Subiaco. He graduated with a Bachelor of Laws (Award with Distinction) & Bachelor of Mass Communications (2013) from Murdoch University. He was admitted as a lawyer at the Supreme Court of Western Australia (2015). Before joining the Firm as a Lawyer in 2016, he was a commercial litigation associate at one of the fastest growing law firms in Western Australia.

Language: English

Practice Areas: Trademarks, Unfair Competition, Intellectual Property, Customs seizures, Anti-Counterfeiting, Compliance, Transactions, Ownership and Recordals, General Corporate Governance, Procurement and International Commercial Transactions & Litigation.

Maria Lucia B. LOPEZ FOREIGN ATTORNEY

Maria Lucia B. LOPEZ was born in Mandaluyong. She graduated with a Juris Doctor from Ateneo de Manila University (2015) and Bachelor of Science in Business Economics cum laude from University of the Philippines Diliman (2009). Before joining the Firm as an Assistant in 2016, she had experience in tax, civil litigation and commercial matters. She was admitted as an Attorney of Law in the Philippines (2017).

Language: English

Practice Areas: Transactions and Recordals, Compliance, Technology Management, Ownership, Due Diligence, Assignments, General Corporate Governance, Procurement and Litigation.

Carolyn M. CALANOY FOREIGN ATTORNEY

Carolyn M. CALANOY was born in Quezon City. She graduated with a Juris Doctor from Ateneo de Manila University (2011) and a Bachelor of Arts in Political Science from University of the Philippines, Diliman (2007). She was admitted as an Attorney of Law in the Philippines (2012). Before joining the Firm as a Foreign Attorney in 2017, she had practice experience in government litigation, public administration, dispute resolution and regulatory matters as an attorney with the Republic of Philippines Commission on Elections.

Language: English

Practice Areas: Compliance, Regulatory, Transactions, Ownership, Transfers and Recordals, Licenses, Pledges, Administrative, General Corporate Governance, Procurement & Litigation.

Kazuya MISAKA ATTORNEY-AT- LAW

Kazuya MISAKA was born in Tokyo, Japan. He graduated with a Juris Doctor from Waseda University (2010) and a Bachelor of Law from Waseda University (2007). Before joining the firm, he was working in legal and IP divisions in Sumitomo Dainippon Pharma. He is registered to practice before the Supreme Court of Japan, admitted, 2011.

Languages: Japanese and English

Practice Areas: Patent, Trademark & IP Litigation, Unfair Competition, Antitrust, Regulatory (Medicine and Healthcare), General Corporate Governance and Compliance, Licensing, International Corporate Transactions, Privacy and Data Protection, Litigation and General Commercial matters.

Fumiaki CHIDA ATTORNEY-AT- LAW

Fumiaki CHIDA was born in Iwate, Japan. He graduated with a Juris Doctor from Keio University (2015) and a Bachelor of Law from Hokkaido University (2013). He is registered to practice before the Supreme Court of Japan, admitted, 2017.

Languages: Japanese and English

Practice Areas: Patent, Trademark & IP Litigation, Unfair Competition and General Corporate Governance and Compliance matters.

Ryan D. ALIMAN FOREIGN ATTORNEY

Ryan D. ALIMAN was born in California. He obtained his Juris Doctor from Syracuse University (2014) and Bachelor of Arts in Political Science cum laude from University of the Philippines Diliman (2008). He was admitted as an Attorney of Law in California, U.S.(2017). Before joining the Firm as a Foreign Attorney in 2018, he had practice experience in workers compensation, personal injury, bankruptcy, entertainment and landlord-tenant matters.

Language: English

Practice Areas: Transactions and Recordals, Compliance, Technology Management, Ownership, Due Diligence, Assignments, General Corporate Governance, Procurement and Litigation.

Hiroki TANAKA PATENT ATTORNEY

Hiroki TANAKA was born in Kumamoto, Japan. He has a Master's degree in Engineering from University of Tokyo (2013) and joined the firm in 2013 after his university graduation. He is registered to practice before the Japan Patent Office, admitted, 2018.

Languages: Japanese and English

Practice Areas: Information technology, Telecommunications, Electrical engineering, Software engineering, Hardware engineering, Semiconductor engineering and Aerospace engineering.

Souma MUKAINO PATENT ATTORNEY

Souma MUKAINO was born in Shizuoka, Japan. He has a Master's degree in Agriculture from University of Tokyo, a National University (2015). He joined the firm as a patent practitioner in 2015. He is registered to practice before the Japan Patent Office, admitted, 2018.

Languages: Japanese and English

Practice Areas: Biotechnology, Bioinformatics, Molecular Biology, Parasitology, Fisheries Science, Patent Opposition and Invalidation.

Page Top