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The Advanced Guide to Understanding the Unified Patent Court (UPC) and Unitary Patent (UP) Under the European Patent System
Later this year the Unified Patent Court (UPC) and Unitary Patent (UP) will come into effect, which will impact all users of the European patent system. This webinar will provide an overview of the new legal system and strategic considerations.
Prior Art & White Space Analytics
Prior art and white space analytics are a lesser known analytics discipline, but are very powerful when executed correctly. This program will discuss these and how they are prepared.
5 Patent Prosecution Tips for Polymer Tech
Obtaining patent protection for inventions including chemical features has important differences from other subject matter. Learn how to maximize your chances of obtaining broad protection.

Schwegman Lundberg & Woessner

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Areas of Practice
  • Electrical & Computers
  • Mechanical & Electromechanical
  • Medical Devices
  • Software & E-Commerce
IP Services
  • Acquisition Due Diligence
  • Freedom To Operate
  • Opinions
  • Patent Analytics
  • Patent Prosecution
  • Portfolio Management & Analysis
Bar Admissions

Nathan Ellefson is a registered patent attorney providing patent prosecution, freedom to operate analysis, opinions, and portfolio management and analysis in electrical, computer, networking, software and mechanical technologies.  Previously, Nathan has worked as a design engineer in the medical device and electronic data storage industries.  There, Nathan designed analog and digital integrated circuits, printed circuit boards, radio frequency systems, test systems and performed failure analysis activities.  Nathan earned his Juris Doctor Magna Cum Laude from William Mitchell College of Law and his Bachelor of Science with Honors in Electrical Engineering from Iowa State University.


William Mitchell College of Law 
St. Paul, MN, 2008
J.D., Magna Cum Laude

Iowa State University 
Ames, IA, 2001
B.S.E.E., Honors

Bar Admissions
Bar Admissions
U.S. Patent and Trademark Office