Excellence. Integrity. Success.

Mike Bregenzer


University of Illinois Urbana-Champaign, Champaign, Illinois

J.D., 1994

Graduated Cum Laude

Articles Editor—The Elder Law Journal

University of Notre Dame, Notre Dame, Indiana

B.A., History and Philosophy, 1991

Honors Program—Graduated with Distinction

Phi Alpha Theta—History Honors Fraternity

Mike Bregenzer serves as Counsel for Irwin IP. Mike has over 25 years of experience in intellectual property and complex commercial litigation; transactional matters, including mergers and acquisitions, and IP licensing negotiations. Mike is a client-focused, entrepreneurial, results-driven Senior Legal Executive with extensive experience in intellectual property, litigation management, negotiation, business development, mergers and acquisitions, risk management, contract management, and patents, copyrights, and trademarks.  


States of Illinois, Michigan, and Nevada (inactive)

U.S. District Court for Northern District of Illinois, including Trial Bar

U.S. District Court for Western District of Michigan

Federal Circuit Court of Appeals


Served as General Counsel and Corporate Secretary responsible for all aspects of legal affairs for Perrigo Company plc and Ranir, LLC. Mike was also a Partner at Reed Smith LLP with practice focused on intellectual property litigation and complex commercial litigation, including patent litigation, contractual disputes, Lanham Act claims, and other claims involving business torts.  He has also worked at Kirkland & Ellis LLP as a Partner for seven years.  


Recent Trends in Patent Infringement Lawsuits, Chapter No. 1: “False Marking Claims,” Thomson Reuters, 2011

Protective Orders Line By Line: A Detailed Look at Protective Orders and How to Change Them to Meet Your Needs, Aspatore Books, 2009

“Have Made Rights: A Trap for the Unwary,” Intellectual Property Today, July 2003