Michael G. O'Bryan

Partner | San Francisco

mobryan@mofo.com | (415) 268-6352

(415) 268-6352

Mike advises on U.S. and international mergers, acquisitions, divestitures, and other strategic transactions, including “going private” and other related party transactions. He has been involved in more than 350 M&A transactions, advising companies, boards, and special committees, as well as investment banks, in both negotiated and contested transactions. He works with clients across a variety of industries, including in the technology, software, telecommunications, Internet, consumer, and health care/life sciences sectors.

Clients in Legal 500 describe Mike as “a very seasoned M&A lawyer with a depth of technical expertise.” He has been recognized for M&A by Best Lawyers in America every year since 2013, and in 2020 the publication named him a “Lawyer of the Year” for M&A. He is also recommended as a leading lawyer by Super Lawyers (every year since 2009), and is recognized in Who’s Who Legal – The International Who’s Who of Mergers & Acquisitions Lawyers.

Prior to moving to San Francisco, he worked in the firm’s Tokyo office for four years. Prior to joining Morrison & Foerster, he worked at a Japanese law firm for two years, concentrating on cross–border transactions. He serves on the executive committee of the board of directors of the Japan Society of Northern California.

Mike is an active member of the American Bar Association’s M&A Committee, where he serves as the chair and editor of the Annual Survey of M&A Cases, as the co–chair of the Model Tender Offer Agreement Task Force, and on the editorial board for the Model Public Company Merger Agreement. He also serves on the Thomson Reuters Accelus Business Law Partner Advisory Board.

He is the author or co–author of numerous articles and speaks regularly on M&A and related topics, such as “Financial Advisor Held Liable for Aiding and Abetting Target Board’s Breach of Fiduciary Duties,” “Lessons of Trados,” “In Delaware, Privilege Goes to the Buyer,” “Green Energy Cross–Border M&A,” “Changes in Poison Pill Terms,” “Hostile Takeovers and Shareholder Activism,” and “Keeping Up with Good Faith; Minimizing the Risk of Personal Liability.” He is the co–author of the firm’s Guide to U.S. Privatizations (published in English and Chinese) and the firm’s Infopak on Shareholder Merger Litigation Against Public Companies.

Show More


Show More



Unsolicited e-mails and information sent to Morrison & Foerster will not be considered confidential, may be disclosed to others pursuant to our Privacy Policy, may not receive a response, and do not create an attorney-client relationship with Morrison & Foerster. If you are not already a client of Morrison & Foerster, do not include any confidential information in this message. Also, please note that our attorneys do not seek to practice law in any jurisdiction in which they are not properly authorized to do so.