Answer: Realnetworks has 683 patents for the period 2009 - 2023.
There are 142 patent families with 267 granted patents and 416 applications patents.
The key filing countries are US: 427 | EP: 78 | WO: 70 | CN: 41 | JP: 25 | KR: 19 | RoW: 17 | GB: 6.