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Dan Weidner handles complex commercial litigation on a national scale for clients with disputes in state and federal court as well as private arbitration.

His practice focuses primarily on construction disputes, contract disputes, business torts, and intellectual property litigation. As the leader of Koley Jessen's Construction practice group, Dan handles all matters facing the construction industry from delay claims to construction defect claims.

The opportunity to represent numerous clients on a national scale in a multitude of judicial districts and states has provided Dan with the opportunity to learn the nuances of litigating matters in a variety of jurisdictions.

Dan practices with an eye towards obtaining the best business result for his clients. In this regard, Dan evaluates disputes early in the process and advises clients on his assessment of the case and possible business risks involved with the dispute. After the initial assessment, Dan works with his clients to determine their objectives and to design a litigation strategy that will allow his clients to achieve their objectives. Dan’s proactive approach to the practice of law allows him to deliver the results his clients want while maintaining focus on the economic realities of litigation.




  • Manages national litigation practice for one of the country’s largest roofing contractors
  • Represented national energy company in numerous lawsuits involving multimillion-dollar complex contract disputes
  • Successfully defended multiple class action lawsuits
  • Represented numerous contractors and homeowners in a wide array of construction disputes
  • Represented various clients in disputes over trademark matters
  • Recovered $450,000 in principal, $65,000 in interest and 100% of the attorneys’ fees a commercial roofing contractor incurred in a complex condominium dispute

News & Publications


Speaking Engagements

Honors & Affiliations

Honors & Awards

The Best Lawyers in America®, Commercial Litigation, 2024
Midlands Business Journal "40 Under 40" honoree, 2021
Omaha Magazine Top Lawyers of Omaha, Construction Law
, 2021
Super Lawyers, 2024

Community & Professional

American Heart Association Heart and Stroke Ball Omaha Executive Leadership Team, 2022 to Present
Nebraska and Omaha Bar Associations

Robert M. Spire Inns of Court
Completely KIDS Board Member, 2016 to Present
Completely KIDS Executive Committee
Nebraska State Bar Association Leadership Academy Class of 2013


J.D., Creighton University, 2007 (magna cum laude)

B.S., University of Nebraska - Lincoln, 2004

  • Business Administration


  • State of Nebraska
    State of Iowa

    U.S. District Court, District of Nebraska
    U.S. District Court, Northern District of Iowa

    U.S. District Court, Eastern District of Michigan
    U.S. District Court, Northern District of Illinois
    U.S. District Court, District of Colorado
    U.S. Court of Appeals, Tenth Circuit
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