Find a Professional

Daniel J. McMullen Partner

Dan chairs the firm’s Information Technology practice and advises both public and closely-held companies on matters of information technology and intellectual property law. His skilled counsel covers computer software and content development, license, acquisition, cloud computing and SaaS subscriptions, service level agreements and various other Internet, website and e-commerce matters.

Dan also handles intellectual property matters across traditional business, new media and entertainment sectors and represents clients in all forms of intellectual property negotiations, and occasionally, dispute resolution, including patent, copyright and trademark infringement actions, as well as complex computer system litigation. He uses intellectual property law, contracting practices and dispute resolution techniques to help clients – creators and users, buyers and sellers, licensors and licensees – to protect and grow their businesses.

Active in the community, Dan serves as an adjunct faculty member at Case Western Reserve University School of Law and Cleveland-Marshall College of Law, where he teaches courses on Internet business, intellectual property and information technology.  In 2016 Dan was appointed to the Government Affairs Council of the Greater Cleveland Partnership for a 2-year term. Dan also published an article on the Defend Trade Secrets Act of 2016 in Intellectual Property Magazine.  He is a board member of the Greater Cleveland Film Commission and NEOSA (né the Northeast Ohio Software Association), a member of the Cleveland Metropolitan, Ohio and American Bar Associations, and a graduate of Leadership Cleveland.  In addition, Dan is the author of “Supreme Court Upholds ‘First Sale’ Doctrine in Importation of Textbooks,” Impact IP, an Intellectual Property Law Newsletter, March 2013.

Before law school, Dan worked as a systems analyst for General Motors. He served as a law clerk to Chief U.S. District Judge Frank J. Battisti, was admitted to the Attorney General’s Honors Program and practiced as a trial attorney with the U.S. Justice Department. He later served as Director of the Office of School Monitoring and a Special Master for the U.S. District Court for the Northern District of Ohio. He now serves on that Court’s ADR panel and has mediated multiple software and intellectual property disputes to settlement. Dan has an “AV Preeminent Rating” from Martindale-Hubbell and is listed in Corporate Counsel’s “2012 Top Rated Lawyers Guide to Intellectual Property Law.” Dan began his tenure with Calfee in 1994, becoming a partner in 1998.