Awards

“Asia-Pacific Guide 2026: Japan” Band 1

“Trademark Contentious – Japan jurisdiction” Tier 1
“Trademark Prosecutions – Japan jurisdiction” Tier 1
“Patent Contentious – Japan jurisdiction” Tier 1
“Patent Prosecution – Japan jurisdiction” Tier 1
“Copyright – Japan jurisdiction” Tier 1

“Japan Law Firm Awards – IP Enforcement”
“Japan Law Firm Awards – IP Protection”

“Patent disputes – domestic firms (2025)” Tier 1
“Patent prosecution – domestic firms (2025)” Tier 1
“Trade mark – domestic firms (2025)” Tier 1

“Gold – Japan Domestic”
“Gold – Firms: prosecution and strategy”
“Gold – Firms: enforcement and litigation”

“Asia-Pacific Guide 2025: Japan” Band 1

“ALB ASIA IP RANKINGS 2025 – JAPAN” Tier 1

“asialaw Profiles 2024 – Japan: Intellectual property” Outstanding

“Trademark Contentious – Japan jurisdiction” Tier 1
“Trademark Prosecutions – Japan jurisdiction” Tier 1
“Patent Contentious – Japan jurisdiction” Tier 1
“Patent Prosecution – Japan jurisdiction” Tier 1
“Copyright – Japan jurisdiction” Tier 1

IP STARS 2024
“Trade mark – domestic firms (2024)” Tier 1
“Patent Prosecution – domestic firms (2024)” Tier 1
“Patent disputes – domestic firms (2024)” Tier 1

IAM Patent 1000 2024
“Japan: Domestic Litigation” Gold
“Japan: Domestic Prosecution” Gold

“Gold – Japan, Firms”

IP Rankings 2023
“Japan Domestic-Patents” Tier 1
“Japan Domestic-Trademarks/Copyright” Tier 1

“JAPAN, Copyright survey 2023” Tier 1

“Chambers Asia-Pacific 2023, Intellectual Property: Domestic – Japan” Band 1

“asialaw 2022/23 Rankings – Japan: Intellectual property” Outstanding

“asialaw Profiles 2022 – Japan: Intellectual property” Outstanding

“Chambers Asia-Pacific 2022, Intellectual Property: Domestic – Japan” Band 1

“JAPAN, Copyright survey 2022” Tier 1

“Chambers Global 2022, Intellectual Property: Domestic in Japan” Band 1

“IP STARS 2022, Trademark Prosecution – domestic firms” Tier 1
“Trademark Contentious – domestic firms” Tier 1

“JAPAN, Patent Survey 2021 – Patent Prosecution” Tier 1
“JAPAN, Patent Survey 2021 – Patent Contentious” Tier 1
“JAPAN, Trademark Survey 2021 – Trademark Prosecution” Tier 1
“JAPAN, Trademark Survey 2021 – Trademark Contentious” Highly Recommended

“The IAM Patent 2021-Japan: Domestic Litigation” Tier 1
“The IAM Patent 2021-Japan: Domestic Prosecution” Tier 1

“Trademark Contentious – Japan jurisdiction” Tier 1
“Trademark Prosecutions – Japan jurisdiction” Tier 1

“asialaw Profiles 2021 – Japan: Intellectual property” Outstanding

“JAPAN, Copyright survey 2021” Tier 1

“Chambers Asia-Pacific 2021, Intellectual Property: Domestic – Japan” Band 1

“Gold – Japan, Firms”

“Japan Patents Firm of the Year 2020”

“Trademark Contentious – Domestic firm” Tier 1
“Trademark Prosecutions – Domestic firm” Tier 1

“JAPAN, Patent Survey 2020 – Patent Prosecution” Tier 1
“JAPAN, Patent Survey 2020 – Patent Contentious” Tier 1
“JAPAN, Trademark Survey 2020 – Trademark Prosecution” Tier 1
“JAPAN, Patent Survey 2020 – Trademark Contentious” Tier 1

The IAM Patent 2020
“Japan: Domestic Litigation” Tier 1
“Japan: Domestic Prosecution” Tier 1

“Chambers Asia-Pacific 2020, Intellectual Property: Domestic – Japan” Band 1

“Gold – Japan, Firms”

“The 2019 Asia IP Awards, Japan, Trademarks”
“Asia IP Patent Survey 2019 – Patent Contentious” Tier 1
“Asia IP Patent Survey 2019 – Patent Prosecutions” Tier 1
“Asia IP Trademark Survey 2019 – Trademark Contentious” Tier 1
“Asia IP Patent Survey 2019 – Trademark Prosecutions” Tier 1

“asialaw Profiles 2020 – Japan: Intellectual Property” Outstanding

“Japan: Domestic Litigation” Tier 1
“Japan: Domestic Prosecution” Tier 1

“Chambers Global 2019, Intellectual Property: Domestic in Japan” Band 1

“JAPAN: INTELLECTUAL PROPERTY-Independent local firms, ranked” Tier 1

“Gold – Japan, Firms”

“asialaw Profiles 2019 – Japan: Intellectual property” Outstanding

“Asia IP Patent Survey 2018 – Patent Contentious” Tier 1
“Asia IP Patent Survey 2018 – Patent Prosecution” Tier 1

“MIP Asia Awards 2018 – Asia-Pacific, IP Boutique, Firm of the Year 2018”
“MIP Asia Awards 2018 – Japan, Trademark Contentious, Firm of the Year 2018”

“Chambers Asia-Pacific 2018, Intellectual Property: Domestic – Japan” Band 1

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“Gold – Japan, Firms”

“The 2017 Asia IP Awards, Japan, Copyright”
“The 2017 Asia IP Awards, Japan, Patents”

“Chambers Asia-Pacific 2017, Intellectual Property: Domestic – Japan” Band 1

“MIP Global Awards 2017 – Japan Prosecution”

“JAPAN, Trademark Prosecution” Tier 1
“JAPAN, Trademark Contentious” Tier 1
“JAPAN, Patent Prosecution” Tier 1
“JAPAN, Patent Contentious” Tier 1
“JAPAN, Copyright” Tier 1

“MIP Global Awards 2016 – Japan Prosecution”

“Gold – Japan, Firms”

“IP Rankings 2016 – Trademarks/Copyright, Japan Domestic” Tier 1

“The 2015 Asia IP Awards, Japan, Trademarks”
“The 2015 Asia IP Awards, Japan, Patents”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“2015 Chambers Asia-Pacific, Asia’s Leading Lawyers for Business, Leading Firm in Intellectual Property: Domestic Firms” Band 1

“Trademark Survey 2015 – JAPAN/Domestic Firms, Trademark Prosecution & Trademark Contentious” Tier 1
“JAPAN/Domestic Firms, Patent Survey 2015-Patent Prosecution & Patent Contentious” Tier 1

“Gold – Japan, Firms”

“Chambers Asia-Pacific, Asia’s Leading Lawyers for Business, Leading Firm in Intellectual Property: Domestic Firms” Band 1

“JAPAN, Trademark Survey 2014 – Trademark Prosecution” Tier 1
“JAPAN, Trademark Contentious” Tier 1
“Managing IP Awards 2014, the Japan Prosecution IP Firm of the Year Award for 2014” 

“Gold – Japan, Firms”

“Chambers Global 2013, Intellectual Property: Domestic Firms: Japan” Band 1

“JAPAN, Trademark Survey 2013 – Trademark Prosecution” Tier 1
“JAPAN, Trademark Survey 2013 – Trademark Contentious” Tier 1
“JAPAN, Patent Survey 2013 – Patent Prosecution” Tier 1
“JAPAN, Trademark Survey 2013 – Patent Contentious” Tier 1
“Managing IP Awards 2013, the Japan Prosecution IP Firm of the Year Award for 2013”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“JAPAN, Trademark Prosecution” Tier 1
“JAPAN, Trademark Contentious” Tier 1
“JAPAN, Patent Prosecution” Tier 1
“JAPAN, Patent Contentious” Tier 1
“2013 JAPAN Patents Firm of the Year”

“Gold – Japan, Firms”

“JAPAN, Trademark Survey 2012 – Trademark Prosecution” Tier 1
“JAPAN, Trademark Survey 2012 – Trademark Contentious” Tier 1
“JAPAN, Patent Survey 2012 – Patent Prosecution” Tier 1
“JAPAN, Trademark Survey 2012 – Patent Contentious” Tier 1

“JAPAN, INTELLECTUAL PROPERTY, Firms of the Year 2012”

“JAPAN, Trademark Prosecution” Tier 1
“JAPAN, Trademark Contentious” Tier 1
“JAPAN, Patent Prosecution” Tier 1
“JAPAN, Patent Contentious” Tier 1
“JAPAN, Patents Award”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“JAPAN, INTELLECTUAL PROPERTY, DOMESTIC FIRMS” Band 1

“Gold – Japan, Firms”

“JAPAN, National Awards-Prosecution IP Firm of the Year”
“JAPAN, Trademark Survey 2011 – Trademark Prosecution” Tier 1
“JAPAN, Trademark Survey 2011 – Trademark Contentious” Tier 1
“JAPAN, Patent Survey 2011 – Patent Prosecution” Tier 1
“JAPAN, Trademark Survey 2011 – Patent Contentious” Tier 1

“JAPAN, INTELLECTUAL PROPERTY, Firms of the Year 2011”

“JAPAN, Patents Award”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“JAPAN, INTELLECTUAL PROPERTY, DOMESTIC” Band 1

“Japan, Firms” Band 1

“JAPAN, Prosecution & Contentious IP Firm of the Year”

“JAPAN, INTELLECTUAL PROPERTY/PATENTS Firms of the Year 2010”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“JAPAN, INTELLECTUAL PROPERTY” Band 1

“JAPAN, Prosecution & Contentious IP Firm of the Year”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“The 2009 Asia IP Patent Survey- Japan” Tier 1

“JAPAN, INTELLECTUAL PROPERTY” Band 1

“JAPAN, Prosecution & Contentious IP Firm of the Year”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“JAPAN, INTELLECTUAL PROPERTY” Band 1

“JAPAN, Prosecution & Contentious IP Firm of the Year”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“Japan IP Firm of 2007”

“JAPAN, INTELLECTUAL PROPERTY” Band 1

“INTELLECTUAL PROPERTY LAW FIRM OF THE YEAR 2007”

“Japan IP Firm of the Year”

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“JAPAN, INTELLECTUAL PROPERTY” Band 1

“INTELLECTUAL PROPERTY LAW FIRM OF THE YEAR 2006”

“IP SURVEY, PATENTS, JAPAN” Tier 1

“JAPAN, INTELLECTUAL PROPERTY, Independent local firms” Tier 1

“Japan IP Firm of 2005”

“JAPAN, INTELLECTUAL PROPERTY” Tier 1

“Japan IP Firm of 2004”