Partners & Associates

Mr. Kathrein is the managing partner of the Berkeley office of Hagens Berman Sobol Shapiro LLP.

After eleven years defending corporations, in 1988, Mr. Kathrein devoted his career to prosecuting securities class actions on behalf of investors and institutional investors. He has litigated over 100 securities fraud class actions. He worked behind the scenes in shaping the Private Securities Litigation Reform Act, the Securities Litigation Uniform Standards Act, and the Sarbanes-Oxley Act.

Mr. Kathrein is very active within the federal courts where the bulk of his practice centers. He is a Lawyer Representative to the Ninth Circuit Court of Appeals and a Lawyer Representative to the United States District Court for the Northern District of California. He chaired the Magistrate Judge Merit Selection Panel, United States District Court, Northern District of California (2006-2008) and co-chaired the Securities Rules Advisory Committee, United States District Court, Northern District of California (2004-2006).

Mr. Kathrein is also actively involved in many professional associations. He is currently an Executive Committee Member of the California State Bar Antitrust and Unfair Competition Section (Term 2008-2011). He has served on the Board of Governors, Consumer Attorneys of California (1998-2002, 2005-2008); the Executive Committee of the National Association of Securities and Commercial Law Attorneys (NASCAT) (1991-2003); was Chairman, Private International Law Committee, Section on International Law and Practice, American Bar Association (1984-1988); as an ABA Advisor to the U.S. Secretary of State's Advisory Committee on Private International Law (1984-1989), as a Governing Council Member, International and Immigration Law Section, Illinois State Bar Association (1986-1988), Chairman, International and Foreign Law Committee, Chicago Bar Association (1983-1984), and Board Member and Vice-President of the International Business Council Mid-America.

Mr. Kathrein's practice often takes him beyond securities fraud to other areas where his expertise of class action litigation and unfair competition law is demanded. In 2006, Mr. Kathrein was consulted by the Electronic Frontier Foundation and associated as co-counsel to initiate the class action litigation relating to the NSA domestic wiretapping through AT&T. In 2009, Mr. Kathrein led a discussion at the request of the Samuelson Law, Technology & Public Policy Clinic at UC Berkeley to help companies, including Yahoo and Microsoft, law professors from Harvard, Berkeley, and New York Law School, as well as non-profit public policy organizations, such as the ACLU and the Center for Law and Democracy, understand options relating to the Google Book Search Class Action Settlement.

Mr. Kathrein is a member of the National Association of Public Pension Attorneys and the National Conference on Public Employee Retirement Systems. He has been a member of the Council of Institutional Investors and the National Association of State Retirement Administrators. He is a regular public speaker on securities, class action and consumer law issues. Mr. Kathrein is a member of the bar in the States of Illinois since 1977, California since 1989 and Florida since 1978. He is admitted to practice in the United States District Courts for the Northern, Southern and Eastern Districts of California, Northern District of Illinois, Southern District of Florida, Western District of Michigan, Districts of Minnesota and Colorado, and the Sixth, Seventh, Eighth and Ninth Circuit Court of Appeals.

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