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Saturday, July 19, 2025

Which patent granted in Rosemont in week ending Aug. 7 took the longest?

The longest time between a patent being filed and granted in the week ending Aug. 7 in Rosemont was 862 days, according to the United States Patent and Trademark Office.

The patent application was filed by Riddell, Inc. for a football helmet. It was filed on March 25, 2019 before being approved on Aug. 3, 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 Rosemont inventors in the week ending Aug. 7.

Longest patent application period in Rosemont for week ending Aug. 7
Applicant NameFiling DateGranted Date
Standard Car Truck Company2019-09-112021-08-03
Riddell, Inc.2019-03-252021-08-03

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