Langford Intellectual Property Lawyers

Born in South Dakota and raised in NW Iowa, I sought higher education back in South Dakota at SDSU. Following graduation there, I worked for a construction and land development company in the MetroWest area of Boston, MA for 3 years, then returned and obtained a law degree from USD. After a judicial clerkship for the Honorable John B. Jones in the US District Court for the District of South Dakota, I have been in private practice of law in Sioux Falls. My practice involves representing people and companies throughout the region in state and federal courts plus administrative hearings...

South Dakota lawyer David Rezac is a member of the Davenport, Evans, Hurwitz & Smith Transactions and General Business practice group, and his practice covers all aspects of business transactions, as well as federal and state trademark registrations. David advises clients in both large and small business transactions, and his expertise covers entity formation, leasing and financing arrangements, real estate sales, mergers, acquisitions, and general contract preparation and negotiation. David also has extensive experience in obtaining federal and state trademark registrations and can assist clients in determining the advantages of registration, as well as completing the registration process.

David joined...

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...