Leonard E. MarquezAttorney

Wendel Rosen Black & Dean LLP 1111 Broadway, 24th FloorOakland, CA 94607

Leonard is a partner in the litigation group at Wendel Rosen. His practice focuses on commercial landlord-tenant law, as well as general civil litigation. He represents clients in many areas of litigation, including contract and lease disputes, business tort claims, collection and other matters. Leonard has represented commercial landlords in all manner of commercial lease disputes, including tenant evictions and breach of lease claims. He also represents and advises tenants, including office, retail and restaurant tenants, regarding breach of lease and other disputes with landlords. He is a contributing author for the California Continuing Education of the Bar (CEB) treatises, Retail Leasing and Office Leasing.



Available Articles:

Other Articles:


Contra Costa County Bar Association (CCCBA)
  • Member, 2011 to Present
  • Litigation Section, Member, 2011 to Present
  • Litigation Section, Board Member, 2012 to Present
  • Litigation Section, Co-Chair, 2016 to Present
  • Civil Litigation Pro Per Clinic, Instructor, 2012 to Present
  • Contra Costa Lawyer Magazine, Guest Editor, March 2016 and October 2017

Alameda County Bar Association (ACBA)
  • Member, 2000 to Present
  • Board of Directors, 2017 to Present

Hispanic Chamber of Commerce of Contra Costa County (H5C)
  • Member
  • Board of Directors, 2008-2015
  • Chairman of Election Committee, 2015
  • Board Secretary and Member of Executive Committee, 2011 to 2015
  • Chairman of Festival of Latin Culture Committee, 2011 to 2014
  • Member of H5C Chamber Delegation to National Convention of the United States Hispanic Chamber of Commerce, Miami, Florida, 2011
  • Member of H5C Chamber Delegation to State Convention of the California Hispanic Chambers of Commerce, 2013

California Hispanic Chambers of Commerce (CHCC)
  • Associate Director for Northern Region of California, 2014 to Present
  • General Counsel, 2016 to Present

Princeton Alumni Schools Committee
  • Volunteer Undergraduate Admissions Interviewer for Princeton University,1997 to Present
  • Conduct interviews in connection with applications for admission to Princeton University and submit written reports to Admissions Office

East Bay La Raza Lawyers Association (EBLRLA)
  • Member


Featured Presentations: