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Mr. Tietz's practice focuses on preparing and prosecuting patent applications in the U.S. and abroad. His patent prosecution experience covers a broad range of technologies including industrial processes, green technology, agri-chemicals, catalysts, materials, pollution control technology, medicinal chemistry, pharmaceuticals, and animal health. Mr. Tietz also has experience handling complex patent prosecution matters such as appeals, re-examinations, and re-issue proceedings. In addition to patent prosecution, Mr. Tietz's practice includes conducting patentability studies, clearance work for new products and processes, and freedom-to-operate opinions. He represents a wide range of clients from large corporations to small businesses, startup companies, universities, and individual inventors.
Mr. Tietz is a member of the Missouri Bar Association and Bar Association of Metropolitan St. Louis.
Mr. Tietz has also been a Missouri Professional Engineer since 2008. Before practicing patent law, Mr. Tietz was an engineer in the environmental engineering field where he advised clients on environmental issues as well as managed environmental remediation of industrial facilities.
Mr. Tietz was an Officer of the Patent, Trademark, Copyright section of the Bar Association of Metropolitan St. Louis from 2011 to 2014, Chair in 2014.
He was also a member of the Industrial Advisory Board for the Chemical Engineering Department of the University of Missouri-Columbia from 2009 to 2012.
Mr. Tietz currently serves as a Trustee of Ridgemont Subdivision.
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