Email this page Print this page Print to PDF

Masa

Masa Yamaguchi

ShareholderJapan Team Co-Chair

Masa Yamaguchi co-leads the Japan Team at Lane Powell and represents clients in general corporate matters and multinational antitrust litigations.

He focuses on multi-national antitrust cases, in both criminal investigations and class actions, and other types of multi-national litigations involving businesses. Masa enjoys working with Japanese clients and regularly works with in-bound Japanese businesses in various industries that are making direct investments in the Pacific Northwest region. He is actively involved in the legal and business community, currently serving as the Vice Chair of the Japan-America Society of Oregon (JASO), and as Co-Chair of the Doing Business in Oregon Committee at JASO.

Experience

Hoosiers Joint Venture With Wilshire Capital
Represented Hoosiers, a Japan-based real estate company, in its joint venture with Wilshire Capital.
Tokai Carbon Co., Ltd. $310M Acquisition of Sid Richardson Carbon, Ltd.
Represented Tokai Carbon in its $310M acquisition of Sid Richardson Carbon, Ltd.
Hoosiers Holdings: Development of the Canyons
Advised Hoosiers on the JV agreement, service agreement, loan agreement with the bank and ancillary documentation surrounding the loan and various construction-related agreements.

Professional Experience

PacifiCorp — General Counsel’s Office, Legal Intern (2006-2008)

Lane Powell PC, Paralegal (2000-2004)

Okachi, Inc, Commodity Broker (1996-1998)

Community Involvement

Japan-America Society of Oregon (JASO)

Chair
Member, Business Affairs Committee

Oregon Bar Association, International Law Section, Executive Committee

Oregon Bar Association, Antitrust and Trade Regulation Section, Executive Committee

Oregon Minority Lawyers Association, Member

Oregon State Bar, Business Law Section, Member

Oregon Asian Pacific American Bar Association, Member

American Bar Association, Antitrust Section, Member

Multnomah Bar Association, Member

Shokookai (Japanese Business Alliance), Member

Thought Leadership

August 15, 2024News
The Best Lawyers in America© 2025 Recognizes 128 Lane Powell Attorneys
Awards & Honors
June 20, 2023News
Yamaguchi Appointed Chair of the Japan-America Society of Oregon
Awards & Honors
May 12, 2022News
Cerne and Yamaguchi Receive Honors From Lewis & Clark Law School Small Business Legal Clinic
Awards & Honors
August 20, 2020News
The Best Lawyers in America© 2021 Recognizes 92 Lane Powell Attorneys
Awards & Honors
July 5, 2019News
Twenty-one Lane Powell Attorneys Recognized by Super Lawyers in Alaska and Oregon
Awards & Honors
March 26, 2019News
Antitrust Team Wins GCR’s ‘Litigation of the Year – Cartel Defense’ Award
Awards & Honors
July 24, 2018News
Twenty-three Lane Powell Attorneys Recognized by Super Lawyers in Alaska and Oregon
Awards & Honors
July 10, 2017News
Twenty-three Lane Powell Attorneys Recognized by Super Lawyers in Alaska and Oregon
Awards & Honors
January 3, 2017News
Lane Powell Announces New Shareholders
Firm Announcement
April 18, 2014Event / CLE
Doing Business in Oregon
Seminar | Japan
April 19, 2013Event / CLE
Doing Business in Oregon
Seminar | Japan

Practices & Industries

Antitrust, Competition & Trade
Corporate, Securities, and M&A
Electronic Discovery, Technology & Strategy
Japan Practice

Education

Lewis & Clark Law School, J.D., 2008
- Business Law Certificate
- Recipient of Research Fellowship Program
- Minority Law Student Association, Member
Portland Community College , 2004
- Paralegal Certificate Program
Dokkyo University , B.A., French, 1996

Admission

Oregon

Language

Japanese (Native)

Honors

"Ones to Watch," Best Lawyers®, Corporate (2021)

“Oregon Rising Star,” Thomson Reuters, Antitrust Litigation (2017); Mergers & Acquisitions (2018-2019)

Before proceeding, please note: If you are not a current client of Lane Powell PC, please do not include any information in this email that you or someone else considers to be confidential or secret in nature. Prior to the establishment of a lawyer-client relationship, unsolicited emails from non-clients containing confidential or secret information cannot be protected from disclosure.