Diamond
- Anderson Mori & Tomotsune
- Mori Hamada & Matsumoto
- Nagashima Ohno & Tsunematsu
- Nishimura & Asahi
- Oh-Ebashi LPC & Partners
- TMI Associates
Platinum
- Atsumi&Sakai
- CITY-YUWA PARTNERS
- HIBIYA PARK LAW OFFICES
- KEIJU OHNO & PARTNERS LPC
- Kikkawa Law Offices
- Kitahama Partners
- MATSUDA&PARTNERS
Gold
- Abe, Ikubo & Katayama
- Allen & Overy Gaikokuho Kyodo Jigyo Horitsu Jimusho
- Ashurst Horitsu Jimusho Gaikokuho Kyodo Jigyo
- Benesse Holdings, Inc.
- CHUO SOGO LAW OFFICE, P.C.
- Daiichi LPC
- Davis Polk & Wardwell LLP
- DOJIMA LAW OFICCE LCP
- Herbert Smith Freehills GJBJ
- Higashimachi, LPC
- Innoventier LPC
- IWATA GODO
- Kanagawa International Law Office
- Keiwa Sogo Law Offices
- Kojima Law Offices
- KUBOI & PARTNERS LAW OFFICE
- Latham & Wakins
- McDermott Will & Emery
- MIDOSUJI LPC
- Miyake & Partners
- MOMO-O, MATSUO & NAMBA
- NAKAMOTO & PARTNERS
- Nakayama & Partners
- NOMURA
- Nozomi Sogo Attorneys at Law
- One Asia Lawyers
- Paul, Weiss, Rifkind, Wharton & Garrison LLP
- Shearman & Sterling LLP
- Sojitz Corporation
- Sony Group Corporation
- southgate
(registered association)
- Squire Patton Boggs
- SUGIYAMA & PARTNERS LPC
- T&K Partners
- TNY Progress Law Firm
- TORIKAI LAW OFFICE
- White & Case LLP
- Yodoyabashi & Yamagami LPC
Pearl
- ERI Law Office
- Miyakezaka Sogo Law Offices
- Nakamura & Partners
- OKABE & YAMAGUCHI
- The Law Society of Hong Kong
Silver
- KATAOKA & KOBAYASHI LPC
- Kobayashi & Yugeta Law Office
- Kyoei Law Office
- Simpson Thacher & Bartlett LLP
- TONOGAI LAW
Bronze
- Commons
Law Office
- GVA GLOBAL LPC
- Habataki Law Office
- Honmachi International
Law Office, P.C.
- Law.asia
- NANIWA KYODO L.P.C.
- OKUNO & PARTNERS
- Tokyo Excel Law Firm