Katherine A. Rasmussen

Partner

Kat is a commercial litigator, who has a broad range of experience in financial services litigation, business and employment disputes, and white collar criminal defense. She has represented clients in a wide array of cases, including those involving government investigations and enforcement, breach of contract, consumer and commercial loan disputes, lender liability, non-compete and employment disputes, discrimination claims, insurance coverage disputes, transportation related disputes, and personal injury and wrongful death claims. Kat also has extensive experience assisting clients with SEC investigations and subpoena responses.

Kat counsels her clients through all phases of litigation, including initial case assessment, pre-litigation resolution, pleadings, discovery, dispositive motion practice, settlement, trial, and post-judgment proceedings. She has second-chaired both bench and jury trials, including a breach of contract trial involving a commercial construction loan where the court rendered a full defense verdict for her client. Clients and colleagues call upon Kat when they need someone likeable and persuasive –she has the ability to build strong working relationships with opposing counsel and judges, alike, and a knack for finding creative and efficient solutions for clients.

Credentials

Education

University of Michigan Law School (J.D., 2015)

  • Michigan Journal of Private Equity & Venture Capital Law, notes editor

University of Toledo (B.A., summa cum laude, 2012)

  • Biopsychology, Women's Studies

Bar admissions

  • Ohio
  • Michigan

Court admissions

  • U.S. District Court for the Southern District of Ohio
  • U.S. District Court for the Northern District of Ohio

Distinctions

  • Best Lawyers®
    • “Ones to Watch” in Columbus for Commercial Litigation (2021-2024)

News
  • August 21, 2025

    260 Dinsmore Attorneys Listed as 2026 Best Lawyers®, Ones to Watch

  • December 17, 2024

    35 Dinsmore Attorneys Named 2025 Ohio Super Lawyers and Rising Stars

  • August 15, 2024

    250+ Dinsmore Attorneys Named 2025 Best Lawyers ®, Ones to Watch

  • January 3, 2024

    Dinsmore Elevates 13 Attorneys to Partnership

  • December 29, 2023

    Ohio Super Lawyers Recognizes 30 Dinsmore Attorneys on 2024 List

  • August 17, 2023

    200+ Dinsmore Attorneys Named 2024 Best Lawyers®, “Ones to Watch”

  • December 29, 2022

    Ohio Super Lawyers Honors 36 Dinsmore Attorneys

  • August 18, 2022

    Best Lawyers® 2023 Names 63 Dinsmore Attorneys “Ones to Watch”

  • December 30, 2021

    44 Dinsmore Attorneys Named Ohio Super Lawyers and Rising Stars

  • August 19, 2021

    Best Lawyers® Recognizes 64 Up-and-Coming Dinsmore Attorneys