Managing IP is part of Legal Benchmarking Limited, 1-2 Paris Gardens, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Cookies Settings

This law firm has not supplied any contact details or supplementary information for this country or region. For more information about profiling options please contact Prin Shasiharan.
2026 Edition
Patent prosecution - domestic firms
Other Notable Firms
19 firms ranked
View full list

Tier 1

Nakamura & Partners
4 practice areas
View profile
Shiga International Patent Office
6 practice areas
View full profile
TMI Associates
12 practice areas
View full profile
Yuasa and Hara
8 practice areas
View full profile

Tier 2

Aoyama & Partners
6 practice areas
View profile
Fukami Patent Office
5 practice areas
View profile
Sugimura & Partners
4 practice areas
View profile

Tier 3

Abe Ikubo & Katayama
11 practice areas
View profile
Hiroe and Associates
4 practice areas
View full profile
Kyowa Patent and Law Office
4 practice areas
View full profile
Seiwa Patent & Law
8 practice areas
View profile
Soei Patent & Law Firm
6 practice areas
View full profile

Other Notable Firms

Asamura IP
6 practice areas
View profile
ITOH Patent Attorney Corporation
3 practice areas
View full profile
Ohtsuka Patent Office
5 practice areas
View profile
Sakai International Patent Office
5 practice areas
View profile
Shusaku Yamamoto
8 practice areas
View profile
Sonderhoff & Einsel Patent Office
6 practice areas
View profile
Trade mark - domestic firms
Other Notable Firms
14 firms ranked
View full list

Tier 1

Nakamura & Partners
4 practice areas
View profile
TMI Associates
12 practice areas
View full profile

Tier 2

Anderson Mori & Tomotsune
10 practice areas
View profile
Kubota
8 practice areas
View profile
Nishimura & Asahi
11 practice areas
View profile
Sugimura & Partners
4 practice areas
View profile
Yuasa and Hara
8 practice areas
View full profile

Tier 3

Aoyama & Partners
6 practice areas
View profile
Shiga International Patent Office
6 practice areas
View full profile

Other Notable Firms

Asamura IP
6 practice areas
View profile
Hiroe and Associates
4 practice areas
View full profile
Mori Hamada
13 practice areas
View profile
Sakai International Patent Office
5 practice areas
View profile
Shusaku Yamamoto
8 practice areas
View profile
Overview

Asamura IP, established in 1891, is renowned for its expertise in intellectual property. With over 130 years of experience, the firm provides a wide spectrum of IP services, encompassing patents, trademarks, and designs. Additionally, Asamura IP is expanding its practice to include IP value assessment, offering thorough evaluations of both the qualitative and quantitative aspects of intellectual property.

Notable patent practitioners: Yoshiteru Mizumoto

Notable soft IP practitioners: Kazutaka Otsuka

Linked Reviews
Trade mark

A case study shows the team led by Kazutaka Otsuka assisted a client in the energy sector with trade mark prosecution work.

2 results2 results
Sponsored

Sponsored