The patent application was filed by Yigang Cai for a method for delivering dynamic policy rules to an end user, according on his/her account balance and service subscription level, in a telecommunication network. It was filed on Sep. 10, 2010 before being approved on Aug. 10, 2021.
It was the only patent approved in the week ending Aug. 14 from Naperville.
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 Naperville for week ending Aug. 14
| Applicant Name | Filing Date | Granted Date |
|---|---|---|
| Yigang Cai | 2010-09-10 | 2021-08-10 |
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