Lawyers

Tatsuki Iwasa

Tatsuki Iwasa

Associate

Menu

Practices Related Topics Profile

Tatsuki Iwasa

Tatsuki Iwasa

Associate

Tokyo

Japanese / English

+81-3-6212-8322

+81-3-6212-8322

Display printable version

Practices Related Topics Profile

Practices

M&A

Corporate Law

Related Topics

Publications

August 20, 2025

"Legal Commentary⁠: Revealed Following Revisions to the Financial Instruments and Exchange Act-Related Government Ordinances, Etc. - Revision of Tender Offer Regulation in Japan and Its Impact on Practice"

Takafumi Goto

Shimpei Ochi

Tatsuki Iwasa

Rina Matsuyama
Publications

July 25, 2024

"Case Analysis on Advance Notice of Planned Tender Offer (Part 2)"

Hiroko Kasama

Kensuke Sakajiri

Yasutaka Hosaka

Kosuke Esumi

Toshiya Asakura

Tatsuki Iwasa

Mariko Uchida

Fumiya Kitsukawa

Ryunosuke Ito
Publications

June 25, 2024

"Case Analysis on Advance Notice of Planned Tender Offer (Part 1)"

Hiroko Kasama

Kensuke Sakajiri

Yasutaka Hosaka

Kosuke Esumi

Toshiya Asakura

Tatsuki Iwasa

Mariko Uchida

Fumiya Kitsukawa

Ryunosuke Ito
Firm News

May 2, 2022

41 new lawyers joined Mori Hamada & Matsumoto

Yuta Aikawa

Kaito Aihara

Ryu Aota

Toshiya Asakura

Yuya Arai

Yuta Arimura

Yuichiro Ishida

Yuichi Ichikawa

Takahito Inagaki

Tatsuki Iwasa

Rie Uemura

Mariko Uchida

Kazuyoshi Okamoto

Yuki Omata

Kohei Kawai

Yuta Kawasaki

Ryutaro Kawano

Fumiya Kitsukawa

Jaejoong Kim

Kyohei Kudo

Hiroki Kuwahara

Yuki Kodama

Takayoshi Saito

Nodoka Saito

Yoshino Saito

Keiko Sudo

Reiya Takahashi

Yurika Takiyama

Yuji Takehara

Kanako Nakatani

Hiromu Nagira

Risa Suzuki

Masaki Nishikawa

Takashi Baba

Keiki Fujii

Yusuke Fujii

Yuki Matsui

Kenshiro Matsushita

Takuma Mori

Publications

August 20, 2025

"Legal Commentary⁠: Revealed Following Revisions to the Financial Instruments and Exchange Act-Related Government Ordinances, Etc. - Revision of Tender Offer Regulation in Japan and Its Impact on Practice"

Takafumi Goto

Shimpei Ochi

Tatsuki Iwasa

Rina Matsuyama
Publications

July 25, 2024

"Case Analysis on Advance Notice of Planned Tender Offer (Part 2)"

Hiroko Kasama

Kensuke Sakajiri

Yasutaka Hosaka

Kosuke Esumi

Toshiya Asakura

Tatsuki Iwasa

Mariko Uchida

Fumiya Kitsukawa

Ryunosuke Ito
Publications

June 25, 2024

"Case Analysis on Advance Notice of Planned Tender Offer (Part 1)"

Hiroko Kasama

Kensuke Sakajiri

Yasutaka Hosaka

Kosuke Esumi

Toshiya Asakura

Tatsuki Iwasa

Mariko Uchida

Fumiya Kitsukawa

Ryunosuke Ito

Firm News

May 2, 2022

41 new lawyers joined Mori Hamada & Matsumoto

Yuta Aikawa

Kaito Aihara

Ryu Aota

Toshiya Asakura

Yuya Arai

Yuta Arimura

Yuichiro Ishida

Yuichi Ichikawa

Takahito Inagaki

Tatsuki Iwasa

Rie Uemura

Mariko Uchida

Kazuyoshi Okamoto

Yuki Omata

Kohei Kawai

Yuta Kawasaki

Ryutaro Kawano

Fumiya Kitsukawa

Jaejoong Kim

Kyohei Kudo

Hiroki Kuwahara

Yuki Kodama

Takayoshi Saito

Nodoka Saito

Yoshino Saito

Keiko Sudo

Reiya Takahashi

Yurika Takiyama

Yuji Takehara

Kanako Nakatani

Hiromu Nagira

Risa Suzuki

Masaki Nishikawa

Takashi Baba

Keiki Fujii

Yusuke Fujii

Yuki Matsui

Kenshiro Matsushita

Takuma Mori

View all Publications View all Notices

Profile

Background

Hitotsubashi University (LL.B., 2021)

　

Qualifications & Affiliations

admitted in Japan, 2022
Dai-ichi Tokyo Bar Association

People in the same practices

Yurika Inoue

Yurika Inoue

Partner

Tokyo

+81-3-6213-8163

M&A

Life Sciences / Healthcare

Intellectual Property

Corporate Law
Junichi Tsuji

Junichi Tsuji

Partner

Tokyo

+81-3-6213-8178

M&A

Corporate Law

Asset Management / Funds

Financial Regulation
Yusuke Iwasawa

Yusuke Iwasawa

Partner

HCMC

+84-28-3622-2613 （HCMC） +81-3-5220-1808 （Tokyo）

yusuke.iwasawa@morihamada.com

M&A

Employment & Labor
Yuma Adachi

Yuma Adachi

Partner

Tokyo

+81-3-6266-8997

yuma.adachi@morihamada.com

M&A

Corporate Law

Crisis Management / Compliance

Sustainability / Environmental Law
Takahiro Iijima

Takahiro Iijima

Partner

Tokyo

+81-3-6213-8101

M&A

Asset Management / Funds

Tax

Wealth Management

Financial Regulation
Yuma Ito

Yuma Ito

Partner

Tokyo

+81-3-6213-8103

M&A

Corporate Law
Takaaki Okano

Takaaki Okano

Partner

Tokyo

+81-3-6213-8105

takaaki.okano@morihamada.com

M&A

Dispute Resolution

Crisis Management / Compliance

Employment & Labor
Ryosuke Okuda

Ryosuke Okuda

Partner

Tokyo

+81-3-6213-8106

ryosuke.okuda@morihamada.com

M&A

Corporate Law

Dispute Resolution

Employment & Labor
Kensuke Sakajiri

Kensuke Sakajiri

Partner

Tokyo

+81-3-6213-8108

kensuke.sakajiri@morihamada.com

M&A

Asset Management / Funds

Corporate Law

Capital Markets

Life Sciences / Healthcare
Shuntaro Shirai

Shuntaro Shirai

Partner

Tokyo

+81-3-6213-8110

shuntaro.shirai@morihamada.com

M&A

Corporate Law

Crisis Management / Compliance

Structured Finance / Banking

Real Estate / REITs
Tetsuya Tamura

Tetsuya Tamura

Partner

Tokyo

+81-3-6213-8114

M&A

Corporate Law

Capital Markets

Sustainability / Environmental Law
Masaki Kakimoto

Masaki Kakimoto

Partner

Tokyo

+81-3-6266-8971

masaki.kakimoto@morihamada.com

M&A

Crisis Management / Compliance

Competition / Antitrust

Intellectual Property

TMT (Technology, Media & Telecom)

View all

Find other lawyers and professionals

My Page

Mori Hamada My Page
(Members' Portal)

The firm's “Mori Hamada My Page” service enables gathering and viewing of information on seminars, newsletters, publications, public announcements from government agencies, and other matters all in one centralized portal.

Mori Hamada My Page