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140986 1393010468

140986 1361319227

Practice areas


  1. Litigation: 60%
    37 years
  2. Business: 25%
    37 years
  3. Intellectual Property: 15%
    35 years


Payment types:

Cash, Check, Credit card

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Contact info

15821 Ventura Blvd Ste 515
Encino, CA, 91436


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Super LawyerSuper Lawyers2014
Super LawyerSuper Lawyers2013
Super LawyerSuper Lawyers2012
Work experience
TitleCompany nameDuration
Founding PartnerGersh | Derby, LLP, Attorneys at Law2013 - Present
ShareholderThe Gersh Law Firm, Inc., dba Gersh | Derby2010 - 2013
PartnerZimmerman, Rosenfeld, Gersh & Leeds1984 - 2006
AssociateFrieman, Rosenfeld & Zimmerman1979 - 1984
Association namePosition nameDuration
VSC Officer for Los Angeles Superior CourtN/A2010 - Present
United States Supreme CourtN/A2002 - Present
United States Court of Appeal - Ninth CircuitN/A2000 - Present
State Bar of CaliforniaN/A1979 - Present
USDC - Central DistrictN/A1979 - Present
American Bar AssociationN/A1979 - Present
USDC - Northern Disctrict of CaliforniaN/AN/A
USDC - Southern District of CaliforniaN/AN/A
USDC - Eastern District of CaliforniaN/AN/A
United States Court of Appeal - Fifth CircuitN/AN/A
Legal cases
Case nameOutcome
MGM v Grokster et al.,Settled after 4+ years of litigation
Bernstein adv. Vista Insurance Co.Defense verdict on all claims
Advanced Insurance Services v Andreini & Company etc.Settled
See all legal cases 
School nameMajorDegreeGraduated
Whittier College School of LawN/ALaw1978
California State University, NorthridgeBachelor of ScienceUndergraduate1975