Inquiries after the change of patentee

Hello:

Things like the change of the patentee may not be updated in time on the intellectual property network, but the patent register can definitely be updated, which means that you can definitely find the current patentee by querying the patent register. But it can't be found on this internet. You need to submit an inquiry application to the patent office and pay the fee, and then the patent office will give the result.

I hope the answer will help you.