Intellectual Property

Patent Prosecution

Anderson Mori & Tomotsune's patent prosecution team has extensive experience with the filing and prosecution of patent applications with the Japan Patent Office, covering a wide variety of technologies including biotechnology, chemical technology, electric engineering, telecommunications technology, software, machine technology, and artificial intelligence. We also regularly assist our Japanese clients with respect to international patent prosecution. In addition, we have a broad range of experience with transfers and other IP registrations. As a further added value, our patent attorneys and lawyers often collaborate in teams in patent infringement suits, trials before the Japan Patent Office, and related research and opinion work, thus contributing to more sophisticated and prompt handling of cases.

INSIGHTS

PROFESSIONALS

Takaaki Yamazaki
TakaakiYamazaki
Tokyo
Patent Attorney (benrishi)
Tokyo

Patent Attorney (benrishi)

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Toshiyuki Oishi
ToshiyukiOishi
Tokyo
Patent Attorney (benrishi)
Tokyo

Patent Attorney (benrishi)

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Mr. Oishi has been involved with patent-related matters and is well-versed in domestic and foreign patent applications and in registration procedures, the preparation of trial case documents, legal research and the preparation of expert opinions, and litigation matters. His industries of special expertise include the electrical, electronics, telecommunications, semiconductors, mechanical devices, software, and computer industries.
Yohei Ogasawara
YoheiOgasawara
Tokyo
Patent Attorney (benrishi)
Tokyo

Patent Attorney (benrishi)

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Dr. Ogasawara is a registered and qualified patent attorney (benrishi). He has been involved with various patent matters and is well versed in international and domestic patent filing and prosecution. He is specialized in Genetic engineering, Pharmaceuticals, Food, Microbiology, Regenerative medicine, Distillation/Extraction, Batteries, Optical devices.
Takahiro Aoki
TakahiroAoki
Tokyo
Osaka
Patent Attorney (benrishi)
Tokyo
/
Osaka

Patent Attorney (benrishi)

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Mr. Aoki is a registered and qualified patent attorney (benrishi) at Anderson Mori & Tomotsune. He has been involved with various intellectual property matters centering around patent issues and he is well versed in intellectual property strategies, patent filing, providing support for start-ups and intellectual property due diligence.
Takashi Okamoto
TakashiOkamoto
Tokyo
Patent Attorney (benrishi)
Tokyo

Patent Attorney (benrishi)

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Mr. Okamoto is a registered and qualified patent attorney (benrishi). He has been involved with various patent matters and is well versed in international and domestic patent filing and prosecution. He is specialized in Mechanical devices, Life Science and Food Engineering.
Yoshikazu Iwase
YoshikazuIwase
Tokyo
Partner
Tokyo

Partner

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Yoshikazu Iwase joined Anderson Mori & Tomotsune after working with an intellectual property firm in Tokyo for three years. His litigation experience involves a number of patent infringement trials and revocation suits against the trial decisions of the Japanese Patent Office concerning patentability/validity of patents over various technologies. He has also been involved with a wide range of trademark/trade dress and copyright infringement suits, licensing and IP assets transfer transactions, and dispute resolution. Mr. Iwase has provided a wide range of advice regarding U.S. patent infringement issues in Japan. His experience also includes drafting and negotiating licensing, patent and various intellectual property transfer agreements, transactions and due diligence of intellectual property in the course of M&A deals.
Miki Goto
MikiGoto
Tokyo
Osaka
Partner
Tokyo
/
Osaka

Partner

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Mr. Goto has an exceptional background as a Japanese lawyer with an academic background in both science and engineering, and professional experience working in the intellectual property department of a major electronics company. Mr. Goto’s practice covers a wide range of complex intellectual property and technology/data related matters, including disputes concerning patents, licensing, trade secrets, trademark and technology related antitrust claims, as well as various data privacy/protection issues. He also has broad experience in various regulatory matters as well as product liability issues involving chemical substances, pharmaceutical products and other industrial products. Mr. Goto is recommended for: ・Intellectual Property (Japan) - Chambers Global (2019-2026) ・TMT (Technology, Media, Telecom) - The Legal 500 Asia Pacific (2021-2026) ・Intellectual Property (Japan) - Asialaw Profiles (2021-2026) Since 2017, Mr. Goto has been serving as the vice chair of Standing Committee on Trade Secret of AIPPI. In addition to being admitted to the bar in Japan (2008) and the state of New York (2014), he passed the Japanese Patent Attorney Examination in 2003.
Yuta Oishi
YutaOishi
Tokyo
Partner
Tokyo

Partner

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Yuta Oishi has engaged in a wide range of IP related matters, including patent, copyright, and trademark infringement lawsuits, licensing negotiations, as well as technology related projects. Moreover, He specializes in data related business and has provided an extensive variety of advice regarding data protection, cyber security, and trade secrets. In addition, he possesses a vast array of experience in assisting with transactional, regulatory, and other legal matters in fields that pertain to and expand across the pharmaceutical, healthcare (including digital healthcare), IT, and entertainment industries.
Tomoyuki Ideno
TomoyukiIdeno
Tokyo
Senior Associate
Tokyo

Senior Associate

Kazuki Shigemori
KazukiShigemori
Tokyo
Patent Attorney (benrishi)
Tokyo

Patent Attorney (benrishi)

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Mr. Shigemori is a registered and qualified patent attorney (benrishi) at Anderson Mori & Tomotsune. He has been involved with various patent matters and is well versed in international and domestic application and registration procedures. He is specialized in high polymer chemistry, catalytic chemistry, biomedicine, food, and functional substances.

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