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Mark Ekse

Mark Ekse

Hagen Wilka & Archer, LLP

20 years of experience

Intellectual Property, Patents, Trademarks, Business Law

South Dakota


Mark Ekse - Registered Patent Attorney and Member of the State Bar of South Dakota. Mark’s practice focus includes licensing, trademark and copyright law. He also represents clients involved in patent disputes, infringement cases and intellectual property cases. Mark represents clients needing legal guidance with registering and protecting software and computer technology, electronic commerce and digital enterprise, as well as trade secret protection and disputes. Mark is registered to practice before the U.S. Patent and Trademark Office. Mark currently serves as an adjunct professor of Patent Law and Intellectual Property at the University of South Dakota. He received his undergraduate degree from South Dakota State University in electrical engineering in 1988. He also holds a Masters of Business Administration from St. Ambrose University and a Juris Doctorate, with honors, from the University of South Dakota. Previously he worked in a variety of engineering and business development roles for Rockwell-Collins, and in advanced technology development for Motorola. Education: BSEE, South Dakota State University, 1988 MBA, St. Ambrose University, 1998 JD, University of South Dakota School of Law, 2002 Sterling Honors Teaching: Adjunct Professor, University of South Dakota School of Law Patent Law: 2002, 2004, 2006, 2008, 2010, 2012, 2014 Intellectual Property Law: 2007, 2009, 2011, 2013 View More ›

Practice Area

Intellectual Property
Patent Appeals, Patent Litigation, Patent Prosecution,
Trademark Litigation, Trademark Registration,
Business Law
Business Contracts, Business Dissolution, Business Finance, Business Formation, Business Litigation, Franchising, Mergers & Acquisitions, Partnership & Shareholder Disputes,

Professional Experience

Patent Attorney
Hagen Wilka & Archer, LLP
2010 - Current


University of South Dakota School of Law


University of South Dakota School of Law
St. Ambrose University


St. Ambrose University
South Dakota State University

B.S | Electrical Engineering

South Dakota State University

Professional Associations

South Dakota State Bar



South Dakota State Bar

Websites & Blogs



600 S. Main Avenue Suite 102 Sioux Falls, SD 57104
Telephone: (605) 334-0005
Fax: (605) 334-4814

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