Bethany R. Lahmann

Partner

Bethany provides clients with insight and guidance through the many facets of the patent law, both domestic and foreign. She collaborates with clients to facilitate idea generation and provides tailored strategies for innovation protection. Her other services include patentability opinions, freedom to operate studies, landscape studies, and review of licensing portfolios. Additionally, Bethany serves clients by providing support for intellectual property due diligence for mergers and acquisitions.

Her practice encompasses a wide range of technologies including automotive, medical devices, artificial intelligence, manufacturing, and consumer appliances/devices. Bethany manages patent portfolios for clients which range from single inventors to Fortune 500 companies.

Having previously served in house as an intern in the Intellectual Property division at the Rolls Royce Corporation, Bethany has a unique perspective of intellectual property issues from both a legal and business perspective, enabling her to provide well-rounded insight to clients.

Credentials

Education

Michigan State University College of Law (J.D., magna cum laude, 2015)

  • International Law Review
  • Dean's List

The Ohio State University (B.S., 2012)

  • Mechanical Engineering

Bar admissions

  • Ohio
  • U.S. Patent & Trademark Office

Court admissions

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

Affiliations and memberships

  • American Lung Association, local board member
  • Society of Women Engineer — South Ohio Section, vice president
  • Intellectual Property Owners Association, Women in IP Law Committee
  • CincyIP, programming committee

Distinctions

  • Best Lawyers®
    • “Ones to Watch” in Cincinnati for Intellectual Property Law, Patent Law (2024)

Publications
  • December 6, 2024

    Christmas Came Early – USPTO Withdraws Proposed Rule on Terminal Disclaimers

  • June 12, 2023

    Defeating Obviousness Rejections by Arguing Against Improper Prior Art Modifications

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”

  • March 24, 2023

    31 Dinsmore Attorneys Featured on 2023 Cincy Leading Lawyers List

  • 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