Patrick C. Gallagher, Ph.D. practices in the area of intellectual property and regulatory law assisting generic pharmaceutical companies, compounding pharmacies, and others in the agricultural, chemical, and biotechnology industries with intellectual property and regulatory matters. Dr. Gallagher assists clients with prevention and resolution of disputes and advises on best strategies for intellectual property and regulatory compliance. On behalf of generic pharmaceutical companies, Dr. Gallagher has been involved in all aspects Hatch-Waxman practice, including advising on Abbreviated New Drug Application (ANDA) filings, development of noninfringement and invalidity arguments for FDA-required notice letters, and involvement in every phase of litigation through trial and appeal to the Federal Circuit Court of Appeals. Dr. Gallagher also provides guidance with respect to development of the regulatory pathway for approval of biosimilars through an abbreviated biologics license application (aBLA). Dr. Gallagher counsels both generic pharmaceutical companies and compounding pharmacies on compliance with applicable Food and Drug Administration (FDA) regulations as well as applicable state laws and regulations enforced by State Boards of Pharmacy. Dr. Gallagher also advises veterinary compounding pharmacies with respect to differences in applicable regulations for compounded medications intended for veterinary use, and development of business practices to comply with applicable regulations understanding the nature of veterinary medical practice served by compounding pharmacies.

Prior to entering the practice of law, Dr. Gallagher was the president of PCG Equine Research, Inc., spearheading a research project to investigate the genetic basis of spinal skeletal deformities in horses.

Dr. Gallagher is a 2007 cum laude graduate of DePaul University College of Law, where he was on the editorial board and business manager of the DePaul Law Review, and a graduate of the University of Kentucky (Ph.D., Molecular Genetics) and the University of Wisconsin (B.S., Genetics).

Areas of Practice

  • Intellectual Property Law
  • Pharmaceuticals


  • Illinois
  • Florida
  • U.S. Patent and Trademark Office
  • U.S. District Court for the Northern District of Illinois
  • U.S. Court of Appeals for the Federal Circuit


  • DePaul University College of Law, J.D., cum laude, 2007
    - Executive Editorial Board — Business Manager, DePaul Law Review
  • University of Kentucky, Ph.D., Molecular Genetics, 2001
  • University of Wisconsin, B.S., Genetics, 1997


  • Duane Morris LLP
    - Partner, 2016-present
    - Associate, 2013-2015
  • Locke Lord LLP
    - Associate, 2006-2013
  • PCG Equine Research, Inc.
    - President, 2003-2004

Professional Activities

  • Food and Drug Law Institute
    - Global Committee
  • American Bar Association
    - Young Lawyer's Division
    -- Vice-chair, Intellectual Property Committee, 2011-2012
  • Illinois State Bar Association

Honors and Awards

  • Listed in Illinois Super Lawyers Rising Stars, 2016 and 2017
  • Selected as an Emerging Lawyer, Emerging Lawyers, 2015
  • Received Chicago Volunteer Legal Services Distinguished Service Award, 2010

Civic and Charitable Activities

  • Health and Disability Advocates
    - Board Member, 2012-present
  • Public Interest Law Initiative
    - Board Member, 2007-2010
  • Old St. Patrick's Church
    - Social Justice Committee, 2006-2009
  • First Light Tutoring Program
    - Tutor, 2004-2007

Selected Publications

Selected Speaking Engagements

  • Speaker, "BPCIA Litigation: Latest Developments for 2015 and Beyond Webcast," The Knowledge Group, September 1, 2015
  • "Position Your Biosimilar in Global Markets," CBI's 10th Annual Summit on Biosimilars, January 29, 2015
  • "FDA's New Clinical Biosimilars Guidance: Best Practices to Preparing a Successful 351(k) Application," FDAnews, Webinar, June 27, 2014
  • Co-presenter, TexasBar CLE: Advanced Appellate Course, September 2011
  • Co-presenter, TexasBar CLE: Advanced Patent Litigation Course, July 2011
  • "On simplifying technical subject matter," 2011 Global Legal Skills Conference, The John Marshall Law School, May 2011
  • Co-presenter, "How to Make Technical Briefs I=Understandable, and Maybe even Enjoyable, for Generalist Judges," 26th Annual Intellectual Property Law Conference, American Bar Association, Section of Intellectual Property Law, April 2011
  • "Patentability of Isolated and Purified DNA Molecules: Implications of Recent Court Decisions for Agricultural Genomics Researchers," Seminar at Plant and Animal Genome Conference: Cattle/Swine/Sheep Workshop, January 2011
  • "Owning a piece of Secretariat?: Patenting DNA Molecules for Equine Genomics Research and Improvement of Horse Health and Performance," Plant and Animal Genome Conference: Horse Workshop, January 2011
  • "How to Make IP Technical Briefs Understandable," BNA Webinar, December 2010
  • "Simplifying Complicated Briefs," Annual Meeting of Illinois Creditors' Bar Association, November 2010
  • "Lordosis Research Update," American Saddlebred Horse Association Convention, February 2005
  • "Lordosis in the American Saddlebred," American Saddlebred Horse Association Convention, February 2003
  • "Lordosis in Horses," University of Kentucky, January 2001
  • Guest Lecturer, Animal Science 410G: Horse Science, University of Kentucky, April 2001 and April 2000
  • "Horse Genetics," Boyd County, Kentucky Agricultural Extension Meeting, March 2001
  • Guest Lecturer, Veterinary Science 351: Animal Hygiene and Disease Control, University of Kentucky, March 2000
  • Guest Lecturer, Graduate Animal Genetics Course, The Ohio State University, March 1998
  • "SINEs in the Horse Genome," University of Kentucky, February 1998