Screen Shot 2018-05-11 at 4.46.54 PM.png



Phone: (202) 596-5291

Steven’s practice focuses on complex high stakes litigation and appellate work. He represents clients in both federal and state courts on a broad range of matters with emphasis on private commercial litigation.

Examples of recent cases include:

  • United States District Court for the Northern District of California, employment litigation (favorable settlement for plaintiff)

  • United States District Court for the Middle District of Florida, jury trial regarding fraudulent real estate transaction (plaintiff)

  • United States District Court for the District of Maryland, jury trial regarding a breach of contract, fraud involving developer (defendant)

  • United States District Court for the District of Columbia, jury trial regarding fraudulent credentialed health care provider (plaintiff)

  • Superior Court District of Columbia, jury trial involving personal injury and trust matters (plaintiff)

  • District of Columbia Court of Appeals (several cases)

  • US Court of Appeals,Eleventh Circuit, case regarding attorneys' fees (appellant)

  • United States District Court for the District of Columbia appeal, DC Consumer Protection Procedures Act (appellant)

Steven also has represented broker dealers and financial advisors in FINRA arbitrations, NYSE and FINRA investigations and counseled Fortune 50 companies on matters of environmental compliance, including Superfund, RCRA, CWA and state analogues.  

Steven works closely with Steve Gremminger on firm litigation matters.  They have collaborated on many cases in four different jurisdictions. They represented a client in a white collar, federal criminal investigation following the execution of a search warrant by the FBI.  All potential criminal charges were finally dropped. Steven also frequently provides expert research and writing for firm clients in a very wide range of legal areas. 

Steven Oster is a terrific litigator with vast experience. Steven was formerly a partner with Wilkie, Farr & Gallagher as well as  Steptoe & Johnson. Steven frequently handles many types of litigation with Steve Gremminger. He is very capable in any litigation.


Practice Areas and Experience


  • Impact of Environmental Law on Real Estate Transactions, in the Environmental Laws & Real Estate Handbook (3rd edition, 1991)


  • J.D., Columbia University School of Law -Harlan Fiske Stone Scholar

  • B.A., State University of New York at Albany - magna cum laude

Bar & Court Admissions:

  • United States Supreme Court

  • District of Columbia

  • US District Courts for the Middle District of Florida, Northern District of California, District of Pennsylvania, District of New Jersey and District of New York

  • US Court of Appeals , Fourth and Eleventh Circuits, and the District of Columbia

Practice Areas:

  • Appellate Litigation

  • Trial Practice

  • Litigation Management

  • Electronic Discovery

  • Environmental Risk Management

  • FINRA Arbitration