Japan: IP - Litigation 2017

This year we list 35 leading names in this chapter for their expertise in intellectual property litigation, including advisory and representation clients in the highest courts in Japan.

Most Highly Regarded
1. Eiji Katayama Abe Ikubo & Katayama, Tokyo
2. Seiji Ohno Ohno & Partners, Tokyo
3. Yasufumi Shiroyama Anderson Mori & Tomotsune, Tokyo
4. Eiichiro Kubota Kubota, Tokyo

International patent litigation house NAKAMURA & PARTNERS achieves five listings this year.
Yoshio Kumakura has over 40 years of expertise in IP litigation and is “very well known in the market” for his expert handling of high-profile cases.
Koichi Tsujii is “very active and frequently appears before the courts” in IP litigation cases. He is recognised for his work on both national and international matters.
Kei Iida is an up-and-coming lawyer who comes highly recommended for impressive advocacy work.

TMI ASSOCIATES continues to be one of the leading IP specialist firms with five practitioners recommended.
Mitsuko "Mimi" Miyagawa is recognised as “a trademarks specialist” with a wealth of experience in IP litigation and related trial proceedings.
Satoru Nagasaka is a standout name in the Japanese market and is highly respected by respondents for his litigation expertise.
Kumi Morimoto receives plaudits from peers for his strong practice and is regarded within the space as a trademarks and IP guru.

Counted amongst Japan’s “Big Four” law firms, ANDERSON MORI & TOMOTSUNE demonstrates its expertise with three listed lawyers.
Miki Goto covers a wide array of complex IP disputes including patent and trademark licensing and antitrust claims. One client notes: “I would highly recommend him for IP litigation and transactions. He is always professional and very knowledgeable when it comes to patents and technology.”
Yasufumi Shiroyama leads the firm’s intellectual property group and is regarded as “an outstanding patent litigator”. He is widely respected for his expertise representing both Japanese and foreign clients in litigation proceedings.
Yoshikazu Iwase is described as “one of the leading IP lawyers” in the country, and receives praise for his robust practice which includes patent infringement trials and revocation suits.

ABE IKUBO & KATAYAMA sees two experts in the field highlighted in this chapter.
The “highly recommended" Eiji Katayama is recognised as “a top-notch litigator” and boasts over 30 years’ experience in the space.
Junichi Kitahara is highly experienced in Japanese and international IP litigation and is a very visible in the market.

CITY-YUWA PARTNERS sees two leading figures listed this year.
Arata Nomoto is a well-respected practitioner with a national reputation as an expert in IP litigation matters.
Hideo Ozaki is “the main guy in IP matters” and is revered within the market for his longstanding experience in the field.

Two practitioners are recognised at HOGAN LOVELLS’ Tokyo office.
Lloyd Parker* is a leading figure in trademark prosecution and enforcement and is “an excellent attorney and very well known in the Japanese market”.
Frederick Ch'en* is one of the leading names in Japan for contentious IP matters in the life sciences space and receives high praise for his expertise.

Full-service domestic firm NISHIMURA & ASAHI achieves two listings this year.
Hitomi Iwase is renowned in the market for her extensive expertise in IP matters including patents, copyrights and trademarks across numerous industry sectors.
Yoshiyuki Miyashita is a dispute settlement specialist with decades of experience. He frequently acts for multinational clients including mass media companies, IT vendors and technology companies.

Specialist IP outfit SHUSAKU-YAMAMOTO sees two of its leading names recommended.
Founder of the firm Kensaku Yamamoto is “very well known in the market” as one of Japan’s foremost IP litigators. He is praised highly for his expert knowledge of the field.
John Tessensohn* has an international practice and is distinguished in the market for his ability to provide effective solutions to IP-related disputes.

STW & PARTNERS sees two practitioners nominated as leading IP litigation experts.
Wataru Sueyoshi comes highly recommended for his “strong practice” and his depth of expertise on IP litigation in the Japanese high court.
Hajime Watanabe is “very well known and highly visible” in the market, and is recommended for his 30 years of expertise and his superb work on high-end domestic IP litigation.

Founding partner of KUBOTA Eiichiro Kubota is one of the foremost figures in IP law in the country. He is “a well-known litigator” and “the go-to person in Japan”.

Hiroyuki Hagiwara at PAUL HASTINGS receives plaudits from peers and clients for his depth of expertise and his “excellent practice".

Seiji Ohno of OHNO & PARTNERS is considered “the go-to lawyer” by sources when it comes to IP litigation matters, and is widely recognised for his work in the area.

* foreign-qualified lawyer

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Nominees have been selected based upon comprehensive, independent survey work with both general counsel and private practice lawyers worldwide. Only specialists who have met independent international research criteria are listed.

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