How long did Paradise Valley inventors wait for patents granted in December?

By PHX Reporter

The longest time between a patent being filed and granted in December in Paradise Valley was 844 days, according to the United States Patent and Trademark Office.

The patent application was filed by Daniel Zasso for a lighting fixture. It was filed on Aug. 30, 2019 before being approved on Dec. 21, 2021.

It was the only patent approved in December from Paradise Valley.

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.

Longest patent application period in Paradise Valley for December