Jordan M.Baumann


Columbus + 1.614.281.3800

Jordan Baumann represents clients in complex commercial litigation in state and federal courts, as well as in arbitrations and administrative proceedings. She has represented multiple Fortune 100 companies including those in the health care, insurance, and retail industries.

Jordan has significant experience defending companies facing government lawsuits and investigations relating to the distribution and dispensing of opioid medications. She has defended multiple mergers from antitrust challenges brought by the Federal Trade Commission or the Department of Justice. She has experience representing corporations, directors, and officers in securities, shareholder, and derivative litigation. She has initiated and defended adversary proceedings related to chapter 11 bankruptcy, including obtaining a $20 million judgment in a contract dispute at the center of an adversary proceeding.

Jordan maintains an active pro bono practice. She was the lead lawyer at an evidentiary hearing held in connection with a client's habeas petition. She was part of a team that obtained a favorable outcome for a family from Venezuela seeking withholding of removal. She has also filed clemency petitions on behalf of multiple clients, represented a client in a landlord-tenant dispute, and worked extensively with a recently released habeas client on reentry into society.

Jordan clerked for the Honorable Chief Judge R. Guy Cole of the U.S. Court of Appeals for the Sixth Circuit and for the Honorable Algenon L. Marbley of the U.S. District Court for the Southern District of Ohio.


  • Ohio corporation obtains dismissal of shareholder lawsuits seeking inspection of books and records under Ohio statutory and common lawJones Day's client, FirstEnergy Corp., secured dismissal of lawsuits by beneficial shareholders seeking to inspect corporate books and records.
  • FirstEnergy defends against securities suitJones Day represented FirstEnergy Corp. in a securities lawsuit in which plaintiffs alleged misstatements relating to corporate political activities and compliance.
  • Cardinal Health acquires rights to Lymphoseek® from Navidea BiopharmaceuticalsJones Day advised Cardinal Health in its acquisition of Navidea Biopharmaceuticals' rights to Lymphoseek® in North America for lymphatic mapping, lymph node biopsy, and the diagnosis of metastatic spread to lymph nodes for the staging of cancer.