Serving The Greater Twin Cities Area And All The 50 States

Patents, Trademarks, Copyrights, Infringements, And Manufacturing

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David Alan Lingbeck is a Registered Patent Attorney (Reg. No. 34,861) with over 25 years of continued patent and trademark law experience. He is a graduate of the University of Minnesota and William Mitchell College of Law. He is licensed to represent clients in any state or any country before the United States Patent & Trademark Office (USPTO).


Mr. Lingbeck has testified in the Federal Court as a legal claims construction expert regarding patent infringements. He is also a magazine article contributor to Inventor's Digest. He has extensive experience in the field of computer science, including engineering for the Sabre and Apollo computer systems.

David Alan Lingbeck of Lingbeck Patent Law

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"Mr. Lingbeck has been the patent and trademark attorney for us for 25+ years and has successfully drafted and prosecuted patents for all of our inventions and products during those years and has also attended to all our many trademarks. Prior to Mr. Lingbeck, we used several different patent attorneys without the results achieved by Mr. Lingbeck."

- Posi Lock Puller, Inc.; Tamara, Dean, and Cris Somerville


"We have received multiple patents, all of which were drafted by Mr. Lingbeck. We had also used other patent attorneys but those patent applications were rejected by the patent office, and we are having Mr. Lingbeck file more patent applications."

- Brookins Hybrid Drive Systems LLC; Ernie and Gail Brookins


"Mr. Lingbeck's integrity, diligence, and patent drafting have resulted in my company receiving numerous patents."  

- Fast Crab LLC; Godfrey LeBoeuf, Jr., Houma, Louisiana

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The content of this website is intended to convey general information about Lingbeck Patent Law and should not be relied upon as legal advice. It is not an offer to represent you, nor is it intended to create an attorney-client relationship.

We've obtained over 1,000 patents and trademarks for our clients