Daniel A. Boehnen, JD
Daniel A. Boehnen is a founding partner of McDonnell Boehnen Hulbert & Berghoff LLP. His practice focuses primarily on trials, appeals, and inters partes proceedings. Clients often seek his counsel on general IP, business, and legal problems because of his keen insight and his ability to create understanding, simplify problems, and innovate solutions.
Mr. Boehnen’s litigation experience encompasses a wide range of high-tech industries in all levels of the federal court system. He has been involved in many notable and precedent-setting cases, such as: (i) the landmark biotechnology patent litigation (Amgen v. Chugai Pharmaceuticals and Genetics Institute), (ii) the first decision by any U.S. court ruling that the act of maintaining frozen recombinant host cells comprises an infringing use under 35 U.S.C. §271(a) (Amgen Inc. v. Elanex Pharmaceuticals); and (iii) a decision by the Federal Circuit Court of Appeals, establishing that district courts lack the authority to order patentees to file papers on behalf of third parties during Patent Office reexamination proceedings (Emerson Electric v. Davoil), to name only a few.
Mr. Boehnen was chosen by: (i) Chambers & Partners as one of the best intellectual property attorneys in the United States based upon client recommendations and the publisher’s independent research; (ii) the "Best Lawyers in America" publication based upon peer recommendations; (iii) the IAM 1000 list and the IAM Patent Litigation 250 list of the world’s leading patent lawyers, (iv) the Legal 500 guide to the U.S. legal profession, (v) the Leading Lawyers Network as a founding member of its list of intellectual property lawyers; (vi) Chicago Magazine as one of the top patent trial attorneys in Illinois; (vii) Crain’s Chicago Business as one of the top intellectual property lawyers in Illinois; (viii) Who’s Who Legal, and (ix) The Illinois Super Lawyers network. He has also been selected by the ABA as a Fellow of the ABA Foundation, reserved for the top 1/3 of 1% of all U.S. lawyers. Mr. Boehnen is frequently invited as a guest speaker to corporate and professional groups.
Mr. Boehnen has a B.S. in chemical engineering from the University of Notre Dame and a J.D. from Cornell University Law School. He has been admitted to practice before the U.S. Supreme Court and many federal courts, and is registered to practice before the U.S. Patent & Trademark Office. Mr. Boehnen was a founder and an officer of the Association of Patent Law Firms, a governor for the Federal Circuit Bar Association, and former chair of the Cornell Law Alumni Association of Greater Chicago.