Philip O'Keefe -, LLC

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Philip O'Keefe, LLC

Winona, MN 55987


Expert Witness
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Mr. O'Keefe provides forensic engineering and engineering expert witness services to attorneys and insurance professionals all over the US in matters involving patent infringement, trade secret misappropriation, product liability, personal injury, property damage, and professional malpractice.  He works for clients all across the United States. Clients include: Merchant and Gould PC; Cantor Colburn, LLP; Helms Mulliss Wicker, PLLC;  Middleton Reutlinger; Cantor Colburn;  Brooks Kushman; The Hartford; St. Paul Travelers; Colony Insurance; and others.

As a licensed Professional Engineer (PE) and Model Law Engineer (MLE), Mr. O'Keefe's  mechanical and electrical engineering experience spans more than 28 years in the design, testing, and operation of:

*  Medical Devices
*  Electric Power Tools
*  Gasoline Engine Powered Tools
*  Hand Tools
*  Electrical Appliances
*  Electronic Devices
*  Electric Utility Power Plants
*  Manufacturing Processes and Equipment
*  Process Control Systems and Safety Interlocks
*  Railroads

Mr. O'Keefe has been providing engineering expert witness services and litigation support since 2000.  He has been retained to provide opinions supporting the positions of plaintiffs and defendants. He is experienced at providing expert witness testimony in depositions and in the courtroom.

As a certified instructor in private industry, Mr. O'Keefe has years of experience teaching technical subject matter to diverse audiences.   As an engineering expert witness, he uses this experience to capture and retain the listener's attention. He aims to be understood, whatever the technical proficiency level.

Visit Mr. O'Keefe's website at  to learn more about his background and experience, or call him at: 612-756-3273.  Skype users can call: pokeefe6963.  Also, please feel free to visit Mr. O'Keefe's LinkedIn Personal Profile page.

Philip J. O'Keefe, PE
Telephone:  612-756-3273
Skype:           pokeefe6963

Visit Mr. O'Keefe's Engineering Expert Witness Blog


Undergraduate: Illinois Institute of Technology
Law School:
Practice Areas: Expert > Engineering
Organizations: Minnesota Society of Professional Engineers, National Society of Professional Engineers, Intellectual Property Owners Association, American Bar Association
Gender: Male
City of Residence: Winona, MN
Home Town: Chicago, IL
Home State: MN
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No Reviews

Next time you consider retaining an engineering expert witness, consider the unique qualifications of a Licensed Professional Engineer (PE) and how they can help build your case. Professional Engineering licensure is the engineering profession's highest standard of competence. It’s a symbol of achievement and an assurance of quality.
Posted by Philip O'Keefe on 3.17.09 in Expert Witness. (MN)

I am a licensed Professional Engineer with over 27 years of mechanical and electrical engineering design experience. I provide expert witness services to attorneys in matters involving patent infringement, trade secret misappropriation, personal injury, product liability, and professional malpractice.
Posted by Philip O'Keefe on 6.15.09 in Expert Witness.