Michael S. Greenfield, Ph.D.

P: 312.913.2135
F: 312.913.0002
Michael S. Greenfield is a partner with McDonnell Boehnen Hulbert & Berghoff LLP. Dr. Greenfield's practice primarily comprises patent procurement, client counseling (rendering patent validity, infringement, and clearance opinions), and due diligence, all with special emphasis in the chemical and biotechnology arts. Dr. Greenfield has had primary responsibility for managing and prosecuting several patent portfolios of hundreds of patent applications filed worldwide. These portfolios have been licensed or sold for more than $2 billion (cumulative). Dr. Greenfield has advised his clients on technologies ranging from pharmaceutical chemistry, including small molecules, oligopeptides (both antisense and siRNA), and recombinant protein chemistry, to analyte detection and quantification using surface plasmon emission and absorption as well as immunoassays, NMR techniques, mass spectrometry, vaccines, recombinant DNA technologies, polymer chemistry and manufacture, business methods and mechanical devices. Dr. Greenfield's work has appeared in several articles in leading legal and scientific journals.


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