PRINCIPAL ATTORNEYS

Marianne C. Holzhall – Marianne’s practice focuses on federal civil and intellectual property litigation. She has handled all aspects of litigation, from prefiling investigation through discovery, trial and appeal, as well as the negotiation of complex settlements. She has assisted clients in a variety of industries, including media and entertainment, pharmaceuticals, consumer electronics, manufacturing, sporting goods, financial products and services, and consumer products. Prior to joining McGarry & McGarry LLC, Marianne was a partner in the intellectual property litigation practice group of a national law firm.


Marianne has a Bachelor Degree in Science and Journalism from Northwestern University and a Law Degree from Loyola University of Chicago, School of Law.

John T. McGarry, Sr. – John McGarry has been practicing law since 1965.

John has a Bachelor Degree in Arts from Siena College and a Law Degree from The John Marshall Law School.

Marianne C. Holzhall

John T. McGarry, Sr.

Annette M. McGarry - After being a partner in a national law firm for a number of years, Annette decided to open McGarry and McGarry, LLC in order to have the flexibility to assist clients with all of their legal needs in a personal, timely and cost-effective manner. Annette concentrates her practice in federal civil litigation and counseling of clients, with particular emphasis on intellectual property, license and contract issues. She has experience in numerous industries including consumer products, pharmaceutical, medical device, sports equipment, publishing and consumer electronics. Annette also assists the media and entertainment industry in negotiation of contracts and protecting original works with patent, trademark and copyrights. She has experience litigating these issues when necessary. Annette is a licensed patent attorney.


Annette has a Bachelor Degree in Engineering from the University of Dayton and a Law Degree from The John Marshall Law School.

Annette M. McGarry