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Anderson Mori & Tomotsune
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Intellectual Property: Domestic

About

Provided by Anderson Mori & Tomotsune

We have extensive, broad achievements and experience in intellectual property (IP). We provide professional, comprehensive advice and counsel tailored to each client’s circumstances and objectives across international and domestic disputes (litigation, arbitration, trials, etc.), various transactions, patent and trademark applications, and related matters. As corporate activities globalize— and companies must plan and implement IP strategies that leverage their strengths domestically and internationally — we support the preparation and execution of global IP strategies. We do so by utilizing our long-standing, close cooperative relationships with top firms in each country.

Chambers Review

Provided by Chambers

Intellectual Property: Domestic - Japan

1
Band 1

What the Team is Known For

Anderson Mori & Tomotsune has a flourishing team with well-honed skills in an array of IP issues, especially in relation to patent infringement disputes and invalidation actions. The firm also advises on a range of transactional matters, licensing agreements and trade secrets disputes. The team's work includes mandates for both domestic and international companies, including on cross-border mandates. It assists clients from a wide range of industries, including the automotive, pharmaceutical and semiconductor sectors. The team includes qualified benrishi who assist clients with patent filing mandates.

Work Highlights

  • Anderson Mori & Tomotsune represented AstraZeneca in a patent infringement action filed by Ono Pharmaceutical seeking to enforce a patent covering antibody drugs against cancers.

Strengths

Provided by Chambers

AMT is very knowledgeable about complex technologies, responsive to clients' requests and well coordinated with attorneys in other countries.

Intellectual Property: Domestic respondent
Global

A well-balanced team of talented, young, mid-level and senior players ensures both speed and quality.

Intellectual Property: Domestic respondent
Global

The quick turnaround was excellent. The level of information and content provided was also very high.

Intellectual Property: Domestic respondent
Global

Notable Practitioners

Provided by Chambers

Yasufumi Shiroyama
1
Yasufumi Shiroyama
1
Band 1

Yasufumi Shiroyama heads Anderson Mori & Tomotsune's intellectual property practice group and is well regarded for his expertise in IP litigation, acting for a range of leading international companies. He regularly handles patent infringement disputes in district and appellate courts in Japan.

His advice is practical and reasonable.

The service met our expectations, and the content was at a very high level.

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Miki Goto
3
Miki Goto
3
Band 3
Miki Goto continues to attract recognition, particularly for handling patent disputes. He draws on his background in science and engineering to guide electronic and technology companies through intellectual property matters at the local and multijurisdictional level.

He understands the situation quickly and proposes appropriate solutions.

He is great both technically and legally.

He is swift in providing accurate advice with his outstanding legal analysis skills.

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Yoshikazu Iwase
3
Yoshikazu Iwase
3
Band 3
Yoshikazu Iwase is an experienced patent disputes lawyer who represents domestic and international clients in venues including the Tokyo District Court.

I was very pleased with attorney Yoshikazu Iwase's work for us. He was responsive, reliable and trustworthy, and I valued his advice and guidance very much.

He has a lot of experience and his advice is always insightful.

Iwase-san is an excellent attorney and very responsive to clients' needs.

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Ranked Lawyers at
Anderson Mori & Tomotsune

Provided by Chambers
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Japan

Intellectual Property: Domestic
Yasufumi Shiroyama
1
Yasufumi Shiroyama
1
Band 1
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Miki Goto
3
Miki Goto
3
Band 3
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Yoshikazu Iwase
3
Yoshikazu Iwase
3
Band 3
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Members

Provided by Anderson Mori & Tomotsune