Thank you for reaching out. You will be able to manage your projects regardless of the license expiration date but you will no longer have support for the license. Also, Kendo will not affect sites that were released after the expiration of the license. Please click the License Agreement link below to learn more.
If you would like more information on how to renew your license, please let me know.
License Agreements: http://www.telerik.com/purchase/license-agreements
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Feedback Portal
and vote to affect the priority of the items