Liane H. Rousseau

Of Counsel

Liane regularly advises established businesses, startups, and individuals on the development, protection, and commercialization of intellectual property assets. Her work includes negotiating and drafting licenses and agreements across a wide range of industries, with a particular focus on software and technology agreements. She also has significant experience with healthcare, manufacturing, and distribution agreements, as well as general service agreements and intellectual property licenses.

Liane also works with clients to navigate the different legal challenges associated with marketing and branding strategies. She regularly negotiates advertising and marketing agreements, agreements for artist services, influencer contracts, and music and other art licenses. She advises clients regarding developments in entertainment and branding law, including FCC disclosure requirements, SAG-AFTRA rules, and the different aspects of performance rights.

In addition to advising clients regarding their corporate and business matters, Liane’s practice also involves trademark and copyright prosecution and enforcement. She helps manage domestic and foreign trademark portfolios for clients and provides counsel on trademark selection, clearance, and global strategy. Liane has experience defending her clients’ trademark rights through intellectual property litigation in both federal court and in front of the Trademark Trial and Appeal Board.

In addition to her law firm experience, Liane brings a valuable perspective from her time working in-house at a clinical research organization, where she advised on complex software, technology, and data agreements and regulatory-related matters in the healthcare and life sciences space. This experience informs her practical, business-focused approach to working with all clients. Liane provides clear, strategic guidance tailored to each client’s business objectives, combining legal rigor with a collaborative and solutions-oriented outlook.

Credentials

Education

The Ohio State University Moritz College of Law (J.D., 2015)

University of Chicago (B.A., 2012)

  • English

Bar admissions

  • Ohio

Affiliations and memberships

  • Pro Bono Partnership, Volunteer
  • Queen City Cabaret, Board Member

Distinctions

  • Best Lawyers®
    • Ones to Watch – Litigation – Intellectual Property, 2021
    • Ones to Watch – Litigation – Intellectual Property, 2022

Publications
  • January 20, 2026

    Streaming May Have Killed the Radio Star, But It Might Bolster Public Performance Rights

  • November 10, 2025

    Breaking Down Brexit: The Lasting Impact on Trademark Use

News
  • August 20, 2020

    Best Lawyers® Recognizes 52 Up-and-Coming Dinsmore Attorneys