Karen’s practice focuses on First Amendment litigation and regulatory law in the areas of charitable, political, and religious speech. She regularly represents nonprofit and commercial entities engaged in charitable fundraising in public policy matters, civil rights litigation, and appellate practice in federal and state courts. Karen also oversees federal trademark litigation, state attorney general investigations, multi-state investigations, Federal Trade Commission investigations, congressional investigations or inquiries, and IRS examinations through appeals.

In 2024, Karen argued before the U.S. Court of Appeals for the Fifth Circuit in two First Amendment cases involving statutory bans on charitable fundraising. In 2025, Karen argued before the Missouri Supreme Court in a case involving First Amendment issues and drafted an amicus brief on behalf of 52 nonprofit organizations before the U.S. Court of Appeals for the Sixth Circuit in a critical donor privacy case.

In 2022 and 2023, Karen obtained wins in the U.S. District Court for the Northern District of Texas on behalf of nonprofit clients soliciting charitable contributions in Texas.

In 2021, Karen coordinated and filed an amicus brief before the U.S. Supreme Court in Americans for Prosperity v. Bonta on behalf of The Nonprofit Alliance (TNPA), People for the Ethical Treatment of Animals (PETA), Association of Fundraising Professionals (AFP) and 123 nonprofit organizations across the ideological spectrum in support of the petitioners. Our brief contributed to a victory for the entire philanthropic sector. The Supreme Court facially invalidated California’s mandatory disclosure of major donors as a condition of soliciting charitable contributions in the State.

In 2019 and 2020, Karen successfully represented nonprofit and commercial organizations in federal trademark matters in federal district court and before the USPTO’s Trademark Trial and Appeal Board.

In 2018, Karen argued before the U.S. Court of Appeals for the D.C. Circuit in a case involving administrative law and First Amendment claims in the charitable speech context.

Karen also counsels on the formation, organization, structuring, and qualification of tax-exempt organizations. She advises clients on nonprofit governance issues, corporate law, regulatory compliance, contracts, mergers and acquisitions, lobbying elections, tax-exempt organizations law, and constitutional law.

She has also worked in the areas of direct marketing and nonprofit fundraising in Washington, D.C.

Karen is President Emeritus of the Kansas City Lawyer Chapter of the Federalist Society and an advisor to the Government Affairs Committee of The Nonprofit Alliance based in Washington, D.C.. Karen serves on the Boards of Donnelly College and Wonderscope. She chairs St. Anthony’s Pastoral Council and serves as a Lector, Eucharistic Minister, and Pre-Cana Minister. In her spare time, she enjoys traveling, running, and spending time with her family.