Japan - Intellectual Property: Domestic Lawyers & Law Firms - Global | Chambers and Partners
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Global Guide

Intellectual Property: Domestic — Japan


Abe, Ikubo & Katayama - Intellectual Property

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Commentary from the Chambers Global guide

Mami Hino enjoys a robust reputation for her ability to assist pharmaceutical companies on complex infringement matters. One commentator notes: "She has very strong knowledge and is active in handling filings for pharmaceutical companies." A patent attorney admitted to practice in both Japan and New York, she is in demand for her deep understanding of pharmaceutical and medical device patents.

Managing partner Eiji Katayama is a "prominent practitioner," widely praised for his prowess representing pharmaceutical companies in contentious matters. He has recently acted on domestic patent infringement cases for US multinationals.

Department profile by Abe, Ikubo & Katayama

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Anderson Mori & Tomotsune - Intellectual Property

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Commentary from the Chambers Global guide

Sources are swift to highlight Yasufumi Shiroyama as a "really good lawyer in IP, involved in a wide range of matters from patents to copyright." He is also proficient in technological transfer agreements and issues around employee inventions.

Yoshikazu Iwase is frequently called upon to assist with patent infringement disputes before the Patent Office. He routinely advises life sciences companies and heads the life science and chemical practice team. One client says: "He is someone that can bridge the culture gap between the US and Japan."

Korean-qualified Sungho Kim is an experienced patent attorney, well versed in handling a range of patent applications work for his clients.

Department profile by Anderson Mori & Tomotsune

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Jones Day - Intellectual Property

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Commentary from the Chambers Global guide

Maxwell Fox acts on behalf of blue-chip electronic and telecommunications companies in US IP litigation. He is also in demand for transactional work and is commended by sources for being "an efficient negotiator."

Michiru Takahashi is, according to observers, "reasonable, flexible and good to work with," particularly on contentious matters centring on soft IP. She is a popular choice for foreign multinationals and has worked on trade mark and copyright prosecutions as well as enforcements. She has acted for Starbucks on trade mark enforcement issues arising since its entry to the Japan market.

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KUBOTA - Intellectual Property

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Commentary from the Chambers Global guide

Eiichiro Kubota is roundly endorsed as a "very good lawyer who handles both transactions and disputes." He excels in supporting pharmaceutical companies and advised Merck Sharp & Dohme on defending an action by Towa to invalidate its Nasonex patent. He also has a wealth of experience in managing global trade mark portfolios for major multinationals.

Department profile by KUBOTA

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Mori Hamada & Matsumoto - Intellectual Property

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Commentary from the Chambers Global guide

Patent infringement and invalidation cases are at the core of Yutaka Miyoshi's practice, with frequent mandates from clients in the sports, manufacturing and life sciences sectors. He is also skilled at handling disputes concerning trade secrets.

Chief representative of the the firm's Beijing office Yoshifumi Onodera impresses with his skill acting for Chinese clients on cases before the Japanese Patent Office. He handles trade mark and patent infringement cases, as well as transactional IP. Peers endorse him as "an IP expert and also a China expert."

Department profile by Mori Hamada & Matsumoto

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Nagashima Ohno & Tsunematsu - Intellectual Property

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Commentary from the Chambers Global guide

Ryoichi Mimura is widely recommended for his ability to draw upon his experiences as a former judge specialising in IP matters. He is adroit at tackling a broad array of matters including patent infringement cases involving pharmaceutical companies. He was part of the team representing Stokke and Peter Opsvik in a copyright dispute over whether an industrial design can attract copyright protection.

Masato Tanaka is highly proficient in handling contentious patent, copyright and brand protection matters, and he brings enhanced experience to clients as a former judge.

Department profile by Nagashima Ohno & Tsunematsu

Nagashima Ohno & Tsunematsu has expertise in all aspects of IP
law, including licensing, litigations, new issues arising in the digital domain, IP-based M&A, joint ventures, IP-based structured finance, privacy and competition law IP issues, and handles a wide variety of disputes and provide pre-dispute advice as well as general, coordinated IP program structuring.

For more details, please visit our website http://www.noandt.com/en/practice/index.html.

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Nakamura & Partners - Intellectual Property

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Commentary from the Chambers Global guide

Yoshio Kumakura is famed for being "very good in patent litigation" and for being "very experienced and very thorough" in handling complex IP matters.

Koichi Tsujii is highlighted for being "a good lawyer who has business sense.” He is admired for his ability to handle high-profile patent disputes in addition to being regularly instructed on a variety of trade mark and copyright matters.

Kei Iida garners praise for his depth of knowledge in this sphere. One source states: "He is a walking dictionary of IP law." He is trusted by clients to provide assistance with contentious IP matters and well as related unfair competition issues.

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STW & Partners - Intellectual Property

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Commentary from the Chambers Global guide

Wataru Sueyoshi enjoys an impressive reputation as "an expert in various fields including copyright law." Sources remark that he "handles domestic aspects of IP litigation and is very enthusiastic about winning cases."

Hajime Watanabe is considered a "litigation talent," and specialises in handling IP disputes. He is also well versed in cross-border matters concerning unfair competition.

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TMI Associates - Intellectual Property

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Commentary from the Chambers Global guide

Yoshiyuki Inaba is highly regarded for his expertise in both patents and trade marks. One source remarks: "He has vast experience filing patent applications," and he is also noted for his prowess in handling domestic trade mark oppositions and cancellation actions.

Commentators single out Mitsuko Miyagawa for her depth of expertise in brand protection. One source reports: "She is very good and is a prominent lawyer. She is also talented on the trade mark side." Miyagawa's roster of work includes handling novel trade mark applications, such as sound and movement marks, as well as acting on unfair competition claims.

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Yuasa & Hara - Intellectual Property

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Commentary from the Chambers Global guide

Kozo Yabe is reported to be "very logical and knowledgeable especially in soft IP." He has deep-rooted expertise in the e-commerce sector where he handles the enforcement of IP rights.

Department profile by Yuasa & Hara

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Senior Statesmen

Nakamura & Partners

From the Chambers Global guide

Yoshio Kumakura is famed for being "very good in patent litigation" and for being "very experienced and very thorough" in handling complex IP matters.

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Band 1

Abe, Ikubo & Katayama

From the Chambers Global guide

Managing partner Eiji Katayama is a "prominent practitioner," widely praised for his prowess representing pharmaceutical companies in contentious matters. He has recently acted on domestic patent infringement cases for US multinationals.

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Band 1

Ohno & Partners

From the Chambers Global guide

Managing partner of Ohno & Partners Seiji Ohno is singled out as "an excellent patent lawyer who is very skilful." Observers add that he is "a go-to person on the litigation side." He is also endorsed for his prowess tackling patent invalidation trials, backed by over two decades of experience.

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Band 1

Yasufumi Shiroyama

Anderson Mori & Tomotsune

From the Chambers Global guide

Sources are swift to highlight Yasufumi Shiroyama as a "really good lawyer in IP, involved in a wide range of matters from patents to copyright." He is also proficient in technological transfer agreements and issues around employee inventions.

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Band 1

STW & Partners

From the Chambers Global guide

Wataru Sueyoshi enjoys an impressive reputation as "an expert in various fields including copyright law." Sources remark that he "handles domestic aspects of IP litigation and is very enthusiastic about winning cases."

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Band 2

Anderson Mori & Tomotsune

From the Chambers Global guide

Yoshikazu Iwase is frequently called upon to assist with patent infringement disputes before the Patent Office. He routinely advises life sciences companies and heads the life science and chemical practice team. One client says: "He is someone that can bridge the culture gap between the US and Japan."

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Band 2

Sakurazaka Law Offices

From the Chambers Global guide

Harumi Kojo of Sakurazaka Law Offices is considered to be "very famous and very good" and is admired for her abilities to draw upon her knowledge as an experienced ex-judge when advising clients on contentious IP disputes. She is well versed in handling a full spectrum of matters including unfair competition and licensing agreements pertaining to IP.

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Band 2

KUBOTA

From the Chambers Global guide

Eiichiro Kubota is roundly endorsed as a "very good lawyer who handles both transactions and disputes." He excels in supporting pharmaceutical companies and advised Merck Sharp & Dohme on defending an action by Towa to invalidate its Nasonex patent. He also has a wealth of experience in managing global trade mark portfolios for major multinationals.

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Band 2

Nagashima Ohno & Tsunematsu

From the Chambers Global guide

Ryoichi Mimura is widely recommended for his ability to draw upon his experiences as a former judge specialising in IP matters. He is adroit at tackling a broad array of matters including patent infringement cases involving pharmaceutical companies. He was part of the team representing Stokke and Peter Opsvik in a copyright dispute over whether an industrial design can attract copyright protection.

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Band 2

TMI Associates

From the Chambers Global guide

Commentators single out Mitsuko Miyagawa for her depth of expertise in brand protection. One source reports: "She is very good and is a prominent lawyer. She is also talented on the trade mark side." Miyagawa's roster of work includes handling novel trade mark applications, such as sound and movement marks, as well as acting on unfair competition claims.

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Band 2

Nakamura & Partners

From the Chambers Global guide

Koichi Tsujii is highlighted for being "a good lawyer who has business sense.” He is admired for his ability to handle high-profile patent disputes in addition to being regularly instructed on a variety of trade mark and copyright matters.

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Band 2

Yuasa & Hara

From the Chambers Global guide

Kozo Yabe is reported to be "very logical and knowledgeable especially in soft IP." He has deep-rooted expertise in the e-commerce sector where he handles the enforcement of IP rights.

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Band 3

Nakamura & Partners

From the Chambers Global guide

Kei Iida garners praise for his depth of knowledge in this sphere. One source states: "He is a walking dictionary of IP law." He is trusted by clients to provide assistance with contentious IP matters and well as related unfair competition issues.

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Band 3

Mori Hamada & Matsumoto

From the Chambers Global guide

Patent infringement and invalidation cases are at the core of Yutaka Miyoshi's practice, with frequent mandates from clients in the sports, manufacturing and life sciences sectors. He is also skilled at handling disputes concerning trade secrets.

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Band 3

City-Yuwa Partners

From the Chambers Global guide

Hideo Ozaki of City-Yuwa Partners is a seasoned practitioner praised for his broad expertise in this sphere. He has a wealth of knowledge in patents and is adept at assisting with patent licensing as well as patent litigation.

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Band 3

Masahiro Samejima

Uchida & Samejima Law Firm

From the Chambers Global guide

Uchida & Samejima Law Firm's Masahiro Samejima is favoured for his wealth of knowledge in engineering and technology. "He has a technological background and advises mainly on the corporate side of IP matters," notes one interviewee. He is also lauded for his expertise representing IT companies.

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Band 3

Michiru Takahashi

Jones Day

From the Chambers Global guide

Michiru Takahashi is, according to observers, "reasonable, flexible and good to work with," particularly on contentious matters centring on soft IP. She is a popular choice for foreign multinationals and has worked on trade mark and copyright prosecutions as well as enforcements. She has acted for Starbucks on trade mark enforcement issues arising since its entry to the Japan market.

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Band 3

Nagashima Ohno & Tsunematsu

From the Chambers Global guide

Masato Tanaka is highly proficient in handling contentious patent, copyright and brand protection matters, and he brings enhanced experience to clients as a former judge.

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Band 3

STW & Partners

From the Chambers Global guide

Hajime Watanabe is considered a "litigation talent," and specialises in handling IP disputes. He is also well versed in cross-border matters concerning unfair competition.

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