Practice Areas
We handle utility and design patents, trademarks, and copyrights.
Our Patent Attorneys
Our patent attorneys have technical degrees in chemical engineering, metallurgical engineering and material science, civil and environmental engineering, medicine and the chemistry and biochemistry sciences.
Attorney Biography
Donald E. Hasse
Attorney at Law and U.S. Registered Patent Attorney
Phone: 513-229-0383 x103
Fax: 513-229-0683
Email: deh@hn-iplaw.com
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Donald E. Hasse is a partner in the law firm of Hasse & Nesbitt LLC. His practice concentrates on intellectual property matters, including the preparation and prosecution of patent applications and the preparation of freedom to market and patent infringement/validity opinions. He also advises clients on licensing and enforcement of intellectual property, patent and trade secret litigation, confidentiality and research agreements, and international patent matters.
Mr. Hasse obtained a B.S. degree in Metallurgical Engineering and Material Science from the University of Notre Dame in 1975, and a J.D. degree from the University of South Carolina in 1978. Before entering private practice, he was Associate General Counsel-Patents at The Procter & Gamble Company, where he was employed as a patent attorney from 1978 to 2001.
He has worked in a wide variety of chemical and mechanical fields, including cleaning products, surfactants, enzymes, polymers, lubricants, pharmaceuticals, foods, medical devices, paper products, laminates, films, aircraft engine coatings and components, alloys, conducting/magnetic materials, projection screens, packaging, designs, and manufacturing processes.