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Dinsmore & Shohl LLP

Brian S. Sullivan

Brian S. Sullivan


Dinsmore & Shohl LLP
Ohio, U.S.A.

tel: (513) 977-8200
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Brian is the chair of the Litigation department, but more importantly, he is an experienced trial lawyer.  He represents clients in matters involving commercial disputes, discrimination, fiduciary litigation, intellectual property, negligence, and all varieties of insurance-related litigation. He also handles aviation-related litigation, having tried both administrative cases before the National Transportation Safety Board (NTSB), as well as liability cases in courts throughout the region.

He analyzes an issue from every angle and recognizes the course to get his clients from point A to point B – whether via an alternative method to resolution, a settlement or going to trial.  Clients look to Brian for representation due to his perseverance and tenacity.  He approaches his clients’ matters with the strategizing, strength, determination and mental toughness he does in his personal accomplishments – dedicating the same time, effort, pain and joy into cases he did when he completed numerous IronMan competitions.

As a respected leader within the firm, Brian serves on the Board of Directors, as well as the Executive Committee, playing an important role in shaping the firm’s future. He also serves as the firm’s general counsel, and he has experience advising on ethics, lawyer liability issues, state bar investigations and malpractice claims.

Bar Admissions


Court Admissions
    U.S. Court of Appeals for the Sixth Circuit
    U.S. District Court for the Southern District of Ohio
    U.S. District Court for the Northern District of Ohio
    U.S. District Court for the Western District of Michigan
    U.S. District Court for the Eastern District of Michigan


  • University of Cincinnati College of Law (J.D., 1988)
  • University of Cincinnati (B.A., 1985)
Areas of Practice
Professional Career

Significant Accomplishments

  • Peer Review Rated AV in Martindale-Hubbell
  • Best Lawyers© for Commercial Litigation, Insurance Law and Personal Injury Litigation 
    • "Lawyer of the Year" in Cincinnati for Insurance Law (2020)
  • Cincy Leading Lawyer by Cincy Magazine

Professional Associations

  • American Bar Association
  • Cincinnati Bar Association
  • Ohio State Bar Association
  • Aviation Insurance Association
  • Hamilton County Public Defenders Commission
  • Leadership Cincinnati, Class XXXIV
  • National Institute of Trial Advocacy, faculty member
  • Hamilton County Republican Party, Judicial Screening Committee
  • Ohio State Bar Association, Certified Grievance Committee
  • National Business Aviation Association

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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