Michael J. Hassen

Michael Hassen

Michael J. Hassen

President | Reallaw, A Professional Corporation

For more than 30 years, Mr. Hassen has specialized in class action litigation with a focus on defending companies in antitrust, securities, and unfair competition suits. Inspired by his godmother, an attorney and women’s rights pioneer, Mr. Hassen studied at the University of California Berkeley, earning a Bachelor of Arts in political science in 1983 and his Juris Doctor, summa cum laude, in 1986. He began his career as an associate of Sonnenschein Nath & Rosentahl in 1988 and practiced as a partner of Miller Starr & Regalia from 1991 until 2005, when he was made a partner of Jeffer Mangels Butler & Mitchell, LLP. Since 2018, he has been the president of Reallaw, A Professional Corporation, where he continues to build his reputation as a creative thinker and expert on high-stakes cases. Mr. Hassen has been admitted to practice in three states and has contributed to more than 100 appellate briefs, including cases in federal courts and the United States Supreme Court. He is the author of the Class Action Defense Blog, a popular legal resource, is a former member of faculty at the University of San Francisco School of Law Intensive Advocacy Program.

Star Treatment Video

Mr. Hassen sits down with Star Jones to discuss his career in law.

Marquis Millennium Magazine

Mr. Hassen was interviewed about his professional journey for the 8th Edition of Marquis Millennium Magazine.

Top Professionals

In recognition of his success in the field of law, Mr. Hassen was named a Marquis Who’s Who Top Lawyer.

Press Release

A national press release celebrates Mr. Hassen’s inclusion in Marquis Who’s Who.

Wall Street Journal

Mr. Hassen was featured among a group of distinguished Marquis listees in the Wall Street Journal.

Michael Hassen


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