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Tuesday, June 3, 2025

Long haul: longest wait for Buffalo Grove inventor’s patents approved in week ending Aug. 28

The longest time between a patent being filed and granted in the week ending Aug. 28 in Buffalo Grove was 784 days, according to the United States Patent and Trademark Office.

The patent application was filed by Orimtech, Ltd. for a systems and methods for X-ray computed tomography. It was filed on July 2, 2019 before being approved on Aug. 24, 2021.

Though patents are required for inventions and products, the granting of a patent is not a guarantee for success. Dennis Crouch, co-director of the Center for Intellectual Property & Entrepreneurship said roughly 50 percent of patents expire prematurely due to costs.

There were two patents granted for Buffalo Grove inventors in the week ending Aug. 28.

Longest patent application period in Buffalo Grove for week ending Aug. 28
Applicant NameFiling DateGranted Date
Orimtech, Ltd.2019-07-022021-08-24
Delphian Systems, LLC2020-01-062021-08-24

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