Gregory Eichorn

Gregory Eichorn


Peckar & Abramson PC

Recognized since 2025

Chicago, Illinois

Practice Areas

Construction Law

Litigation - Construction

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Gregory A. Eichorn serves as a Partner at the firm’s Chicago office. His primary area of practice is construction law. This includes representing general contractors, construction managers, owners/ developers, subcontractors and other construction professionals. Greg has extensive experience in negotiating complex construction contracts for sports stadia, office buildings, hospitals, residential high-rises, airports, roads, rail, infrastructure, specialty construction, renovations, and all levels of public and private schools and universities.

Greg currently represents some of the nation’s largest contractors, and his practice involves the resolution of complex constructiondisputes through negotiations, mediation, and, when necessary, arbitration and litigation for issues including breach of contract, liens, delays, wrongful termination, impacts, defective work and design, governmental audits, inefficiencies, bonds and insurance claims.

Greg’s background in construction and the law has afforded him with a unique ability to troubleshoot difficult issues before they become formal disputes through counseling, best practices, innovation, strategic solutions, and risk assessment and management.

Greg has a bachelor of science degree in civil engineering from the University of Illinois. His law degree at John Marshall Law School was earned while he worked full time for the nation’s largest general building contractor and construction manager in a variety of roles, ranging from cost and scheduling engineer, project accountant, senior engineer, project superintendent, and then serving as Corporate Counsel. Greg is admitted to practice in the State of Illinois. He serves as an adjunct professor of construction contracts and disputes at Northwestern University. He also serves as the Chairman, an American Society of Civil Engineer’s delegate, and a drafting committee member for the Engineering Joint Contract Documents Committee (EJCDC).

Contact & Links
Location
  • 30 North LaSalle Street, Suite 4126
    Chicago, IL 60602
Languages
  • English
Education
  • University of Illinois Chicago, John Marshall Law School, J.D., graduated 1998
  • University of Illinois - Chicago, B.S.
Bar Admissions
  • Illinois, Illinois State Bar Association
Affiliations
  • Northwestern University - Adjunct Professor
  • Northwestern University MPM Program, - Advisory Board Member
  • Engineering Joint Contract Documents Committee (EJCDC) - Chairman
  • Engineering Joint Contract Documents Committee (EJCDC) - ASCE Delegate
  • Engineering Joint Contract Documents Committee (EJCDC) - Drafting Committee Member

Peckar & Abramson PC
Headquarters: River Edge, New Jersey

44 The Best Lawyers in America® awards

19 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2026 for work in:
  • Construction Law
  • Litigation - Construction
Awards:
  • Best Lawyers, 2025

  • Chambers USA, 2022-2025

  • Illinois Super Lawyers - Rising Stars, 2008-2009

Publications

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