Excellence. Integrity. Success.

Carey J. Prill


Pepperdine University, J.D., Certificate in Alternative Dispute Resolution

  • Editor-in-Chief, Pepperdine Dispute Resolution Law Journal
  • CALI Excellence for the Future Award: Negotiation Theory and Practice

Johns Hopkins University, M.S., Biotechnology, summa cum laude

Saginaw Valley State University, B.A., Biology, magna cum laude


“Best Lawyers: Ones to Watch” (2023)

“Illinois Super Lawyers Rising Star Attorney in Intellectual Property Law” (2013-present) 


California; Illinois; U.S. Patent and Trademark Office

Carey Prill joined Irwin IP in January 2022. Carey is a registered patent attorney, and her practice includes all areas of intellectual property law with a particular emphasis on patent litigation and due diligence. By having an in-depth understanding of her clients’ needs, Carey helps her clients create IP programs, expand their intellectual property portfolios through mergers and acquisitions, and enforce and defend their intellectual property rights in litigation.

Carey has considerable experience with a wide range of technologies, including automotive products, medical devices and methods, pharmaceuticals, nutritional beverages, and biotechnology. Prior to joining the firm in 2022, Carey was a patent litigation associate, partner, and then shareholder at McAndrews, Held & Malloy, Ltd. Carey was also an intellectual property litigation associate at Tressler LLP’s Los Angeles and Chicago offices. Her professional experience includes examining pharmaceutical and biotechnology patents for the United States Patent and Trademark Office. Carey has been selected as an Illinois Super Lawyers Rising Star Attorney in Intellectual Property Law from 2013 through 2022.

As a practitioner, Carey is known by her clients for her passion for science and technology and her excitement for litigation. Additionally, she is personable, organized and exceptionally detail-oriented, characteristics clients also appreciate.

Carey graduated from Pepperdine University School of Law, where she was the Editor-in-Chief of the Pepperdine Dispute Resolution Law Journal. She was awarded the CALI Excellence for the Future Award for earning the highest grade in her Negotiation Theory and Practice course. While attending law school, Carey completed a judicial externship with the Honorable Thomas B. Donovan of the United States District Court for the Central District of California. She also served as a legal intern with the United States Department of Justice Office of the United States Trustee. In addition to earning her law degree, Carey trained with scholars from Pepperdine’s Straus Institute, the top dispute resolution program in the country, to earn her Certificate in Alternative Dispute Resolution. As part of the program, Carey gained valuable mediation experience while serving as a mediator in Los Angeles Superior Court. 

Carey completed her Master of Science in Biotechnology from Johns Hopkins University with the highest distinction. She also earned her B.A. in Biology from Saginaw Valley State University, where she graduated with honors. Her undergraduate Honors thesis research involved studying the developmental effects of chemicals on the learning ability and reproductive behavior of rats. She also partnered with the Department of Chemistry to conduct research on chemical and material interactions in Formula SAE racecars as part of her role on the Cardinal Formula Racing Team. During her undergraduate studies, she worked for Dow Corning as part of its Specialty Chemicals research team in developing and improving leather and paper coatings. She also spent time working for Mercedes-Benz Research and Development in its emissions testing compliance program.

Carey is the first person in her family to attend college, and she is a proponent of women in science, technology, engineering and mathematics. Carey is also a fitness enthusiast. She is a National Academy of Sports Medicine Certified Personal Trainer, a Box ‘N Burn Academy Certified Boxing Trainer, a Pregnancy and Postpartum Athleticism Certified Coach, and an avid long-distance runner and fan of endurance sports.


Abbott Laboratories, AbbVie Inc., Accord BioPharma, Aledade, Inc., Dunkin’ Donuts LLC, Illinois Tool Works Inc., LKQ Corporation, Miller Electric Manufacturing, Sterno Home, Inc., Stryker Communications, Inc., Stryker Corporation, Thoreck Memorial Hospital


Member, Chicago Women in Intellectual Property
Member, Intellectual Property Law Association of Chicago
Board Member, Pepperdine University Chicago Alumni Chapter


Roundtable on Intellectual Property/Patent Law—Keeping Ideas and Technology Secure, Crain’s Chicago Business (November 2021)

The Impact of the Virnetx Decision on the Smallest Salable Patent-Practicing Unit, ABA TIPS Intellectual Property Law Committee Newsletter (Spring 2016)

Foreword to Arbitrating Sports: Reflections on USADA/Landis, the Olympic Games, and the Future of Sports Dispute Resolution, 10 Pepp. Disp. Resol. L. J. 1 (2009)

Prenatal and Juvenile Exposure to Perfluorooctanes: Effects on Pup Morphology, Learning Ability and Reproductive Behaviors of the Norway Rat (Rattus Norvegicus), Saginaw Valley State University Undergraduate Honors Thesis (2005)

Chemical and Material Interactions in a Formula SAE Racecar, Formula SAE Racecar Design Competition, Saginaw Valley State University Cardinal Formula Racing Team (2004)


Associate, Partner, and Shareholder, McAndrews, Held & Malloy, Ltd. (2015-2022)

Associate, Tressler LLP (2010-2015)

Patent Extern, United States Patent and Trademark Office

Judicial Extern, United States District Court for the Central District of California, Honorable Thomas B. Donovan

Legal Intern, United States Department of Justice

Mediator, Los Angeles Superior Court

Research Technician, Mercedes-Benz Research and Development

Laboratory Technician, Dow Corning Corporation