Jordan M.Baumann


Columbus + 1.614.281.3800

Jordan Baumann is a litigator representing clients in complex commercial litigation in state and federal courts, as well as in arbitrations and administrative proceedings. Jordan has defended multiple mergers from antitrust challenges brought by the Federal Trade Commission or by the Department of Justice. Jordan has significant experience defending companies from lawsuits and investigations relating to the opioid epidemic. 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. She also has experience with investigations into workplace accidents.

Jordan maintains an active pro bono practice. She 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. In addition, she was part of a team that obtained a favorable outcome for a family from Venezuela seeking withholding of removal.

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


  • Wrongfully convicted Michigan woman to face no further charges after U.S. Supreme Court denies petition for certiorariJones Day successfully represented Hattie Mae Tanner in post-conviction proceedings, ultimately obtaining a result from the Supreme Court of the United States ensuring that Ms. Tanner will remain a free woman.
  • 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.