Mark Mosley

Practice Areas


Mark Mosley is a civil trial lawyer who has tried over thirty jury cases to verdict and fifteen bench trials to judgment in both state and federal courts. Mr. Mosley’s practice focuses on business litigation, inverse condemnation, real property litigation, civil rights litigation, assessment appeals board litigation, and litigation involving public entities.

Prior to joining Seiler Epstein Ziegler & Applegate, Mr. Mosley served for six years as a Deputy City Attorney with the San Francisco City Attorney’s Office where he was a trial team leader (1989-1992) and the Chief of Tax Litigation (1992-1993).

Professional Experience
Seiler, Epstein, Ziegler & Applegate, LLP (2009 – present) General trial practice specializing in inverse condemnation, complex real property, civil rights, contract and partnership disputes, and general business litigation.

Moscone, Emblidge & Sater, LLP (2008) Business, real property, and receivership trials and appeals.

Mosley & Gearinger LLP (2004 – 2007) "Boutique" trial practice focused on business litigation, inverse condemnation, complex real property litigation, constitutional law, and litigation involving public entities.

Deputy City Attorney, San Francisco City Attorney’s Office Trial Team (1993-2000). Represented the City and County in civil trial and appellate matters including inverse condemnation (three trials to verdict, two appeals), civil rights (First Amendment retaliation, two trials to verdict; excessive force, one trial to verdict), personal injury (many trials to verdict), real estate litigation, bankruptcy, construction and tax litigation. Team leader, Trial Team, 1996-99; Chief of Tax Litigation, April 1999 to May 2000.

O'Melveny & Myers, New York (1986-87) and San Francisco (1987-1993). General litigation, including PUC and NMVB administrative proceedings, environmental contamination coverage, real estate and business litigation.

Organization for Economic Cooperation and Development (OECD), Paris, France (1983-1984). Performed econometric modeling and microeconomic projection analysis of impact of declining petroleum values upon oil-exporting developing economies.

U.S. Department of Commerce, International Trade Administration, Washington, D.C. (1983 – graduate student internship). Analyzed trade policy issues with emphasis on U.S.-Japanese trade relationship.

International Bank for Reconstruction and Development (World Bank), Washington, D.C. (1982 – graduate student internship). Analyzed effectiveness of, and made recommendations for improvement of, agricultural development projects in sub- Saharan Africa.

Professional Affiliations
Board of Directors, Legal Community Against Violence (2010 – present)
Secretary, Alameda County Bar Association, Litigation Section Executive Committee (2010 – present)
Chair, Public Law Section Executive Committee, California State Bar (2007-2008)
Bar Association of San Francisco, representative to the State Bar Conference of Delegates (2007)

Mark L. Mosley, The Anti-SLAPP Law: Powerful Dispositive Motion and Potential Trap
for the Unwary (2011) ACBA Bulletin view publication

Mark L. Mosley, How to Successfully Navigate the Murky Intersection Between Inverse
Condemnation and Water Law, 28 Pub. L. J. 15-17 (Summer/Fall 2005) view publication

Mark L. Mosley, The Path Out of the Quagmire: A Better Standard for Assessing
State and Local Taxes Under the Negative Commerce Clause, 58 Tax Law. 729
(2005) view publication

Mark L. Mosley, Qualified Immunity in the Ninth Circuit: An Affirmative Defense in
Search of a Coherent Standard, 27 Pub. L. J. 3-10 (Summer 2004) view publication

Mark L. Mosley, French Foreign Economic Policy under Mitterrand, 6 Fletcher Forum
418 (1982)

Tennis (recreational player; served on the board of directors of USTA NorCal (2008- 2010); chaired Grants Committee (2009-2010); currently chair Grievance Committee
French language
Literature (currently writing a children’s novel)
International travel (France, Spain, Italy, Germany, Greece, Poland, Norway, Sweden,
Great Britain, Canada, Mexico, Ecuador, Peru, Bolivia, Argentina)

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