Ranked by Chambers USA as a leader in construction law for 11 consecutive years, Sarah represents owners, contractors, developers, architects and engineers, both in the United States and abroad, in all stages of the construction process. Co-chair of the firm’s national construction law and international arbitration groups, she focuses her practice on large, capital-intensive construction projects, with a particular emphasis on drafting and negotiating contracts for complex and unique construction and infrastructure, as well as litigating disputes involving such projects both in the courtroom and in domestic and international arbitration.

"(A) true construction attorney with a tremendous command of construction law; she can take complex issues and distill them down to the facts."

~ Chambers USA confidential interview of construction industry client

Internationally, she represents one of the joint venture partners who constructed the expansion of the Panama Canal, and the EPC contractor who designed and constructed a 220-megawatt hydroelectric plant in Changuinola, Panama. Sarah, who also co-chairs the firm’s Israel Practice Group, represented Technion-Israel Institute of Technology in connection with the Technion-Cornell joint venture, in the construction of a new applied science university and related facilities on Roosevelt Island that is expected to be the largest development of the decade in New York City. She was involved in the construction of InterActive Corporation’s futuristic headquarters and AOL’s headquarters, including the CNN newsroom, in the Time Warner building.

Sarah has also been involved in the construction of industrial smelters, waste ammonia recovery systems, solar power installations, museums, educational institutions, health care facilities, and other commercial and infrastructure projects. She is currently defending a European construction company in connection with Defense Base Act claims arising out of the 1968 crash of a B-52 bomber carrying four nuclear warheads at an airbase in Thule, Greenland.


  • Sarah is co-author of the leading treatise on New York construction law, the New York Construction Law Manual.
  • She authors the chapter on New York law in Fifty State Construction Lien and Bond Law (3rd Edition) and the New York chapter in State-by-State Guide to Architect, Engineer and Contractor Licensing.
  • Sarah co-authored the chapter on “Legal Relationships” in Temporary Structures in Construction (3rd Edition).

Before Fox Rothschild

Prior to joining Fox, Sarah was a partner at an East Coast-based law firm.

Beyond Fox Rothschild

Sarah is a frequent lecturer on construction issues. She serves as an adjunct professor, teaching a course on high-growth corporate transactions, in Cornell Law School’s Technology Law LL.M. program. She is a member of the New Jersey Israel Commission, by appointment of New Jersey Gov. Chris Christie, and is fluent in conversational Hebrew.

Honors & Awards

  • Named to the "Notable Women in Law" list by Crain's New York Business (2021)
  • Recognized by Chambers USA for Construction - New York (2009-2020)
  • Named a "Local Litigation Star" in New York by Benchmark Litigation (2020)
  • Named to the "Super Lawyers" list for Construction Litigation in New York (2010-2020)
  • Named in Practical Law Company, Construction and Projects (2010-2012)
  • Named among “The Top Women Attorneys in the New York Metro Area” by Super Lawyers (2012, 2014-2020)

          Chambers Logo 2020 Sarah Biser

*Awards Methodology