Jonathan M. Rixen

Jonathan M. Rixen is a registered patent attorney at Lemaire Patent Law Firm, P.L.L.C. in Burnsville, Minnesota. He practices in patent preparation, patent prosecution, and related opinions, with a primary technical focus on mechanical, optical, laser, magnetic, non-destructive testing, epitaxial crystal synthesis, multilayer composite armor, and chemical engineering technologies. Rixen also assists clients with trademark prosecution, searches, licensing, and broader intellectual property strategy.

Rixen earned his J.D. from William Mitchell College of Law in 2007, where he was active in the Student Intellectual Property Law Association. He received his undergraduate degree in chemical engineering from Iowa State University, graduating with distinction. His legal education and engineering background provide a strong foundation for evaluating complex inventions, understanding technical disclosures, and helping clients protect intellectual property with careful legal and technical judgment.

Rixen’s technical experience includes work as a lab technician for the Center for Sustainable Environmental Technologies and a process engineering position at Cambrex Charles City, Inc. In that role, he created and executed validation protocols, monitored pilot plant facilities, and prepared operating procedures for pilot plant equipment. He also worked as an undergraduate research assistant examining anaerobic fermentation of glycerol in E. coli and applying miniature fermentation systems.

Jonathan M. Rixen is admitted to practice before the U.S. District Court for the District of Minnesota and the Supreme Court of the State of Minnesota. He has been licensed as a registered patent agent since 2005 and as a registered patent attorney since 2007. His background helps clients address patent and trademark matters with practical insight, technical fluency, and a clear focus on protecting valuable innovation.

Law Office Affiliations

• Attorney, Lemaire Patent Law Firm PLLC
• Member, Minnesota Intellectual Property Law Association
• Member, American Intellectual Property Law Association

Licensed State

• Minnesota

Education

• William Mitchell College of Law
  Juris Doctor (JD)
• Iowa State University
  Bachelor of Science in Chemical Engineering (B.S.ChE)

Awards & Badges