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William Charles Seligman

William Charles Seligman

Practice areas:

Real Estate, Energy & Utilities

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Practice Areas

Licensed since 1990

  1. Real Estate: 95%
    26 years, 1.5 thousand cases
  2. Energy & Utilities: 5%
    8 years

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Contact Info

Cassin & Cassin LLP

711 Third Avenue, 20th Floor
New York, NY, 10017

Cassin & Cassin LLP

1880 Century Park East
Suite 510
Los Angeles, CA, 90067




NYCurrently registered 199003/13/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.

Avvo Contributions

Legal Answers

Work Experience

TitleCompany NameDuration
PartnerCassin & Cassin LLP2009 - Present
PartnerWinston & Strawn LLP2000 - 2009
PartnerOrrick Herrington & Sutcliffe1996 - 2000
AssociateDewey Ballantine1989 - 1996


Association NamePosition NameDuration
American Bar Association, Real Property, Trust and Estate Law Section, Commercial Real Estate Asset Management SectionVice-Chair1995 - 2000
Columbia Journal of Environmental LawManaging Editor1988 - 1989


Publication NameTitleDate
Briefings In Real Estate FinanceSingle-Purpose Entities in US Real Estate Transactions: Are they worth the hassle?2004


School NameMajorDegreeGraduated
Columbia University School of LawLawJD - Juris Doctor1989
Columbia CollegePolitical ScienceBA - Bachelor of Arts1986