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Proehl Jeffrey

Jeffrey A. Proehl

  • Shareholder
  • 30 years experience

South Dakota State University, B.S.M.E. William Mitchell College of Law, J.D.

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Jeff practiced in Sioux Falls and Minneapolis before joining Woods Fuller in 2005. Jeff’s more than 25 years of experience add to his extensive capabilities in the areas of intellectual property law. Clients seeking advice in patents, trademarks, and copyrights often rely on Jeff’s broad-based knowledge.

A registered patent attorney, Jeff represents clients before the United States Patent and Trademark Office. He also counsels clients on the use and enforcement of their patents, as well as counseling clients when patents are asserted against them. Additionally, Jeff is a member of the American Intellectual Property Law Association.

Jeff publishes a monthly article for the Sioux Falls Business Journal's Inventor's Corner. Click here to access his latest articles.

View related postings below.

Why should you search for a patent?

The searching of patents and published patent application publications may be performed for a number of purposes, but there are two primary types of searches that are requested by inventors and businesses for their developments. The most common type of patent-related search is the patentability search, which is intended to provide a preliminary indication of whether an invention is likely to be approved for patenting by the U.

Behold, the power of 'patent pending'

One of the benefits of filing a patent application to protect an invention is the ability to use “patent pending” in connection with a product incorporating the invention, and it is not uncommon to see products that are so marked. Patent pending specifically means that a patent application has been filed in the U.

U.S. Patent count hits 10,000,000. How many are still in effect?

On June 19, 2018, the United States Patent and Trademark Office issued U. S.