Qualcomm has asserted that these Raptor code-related patents (an early one of which was filed in 2004) are standards essential, and require to be licensed from Qualcomm.[1][2]
The below-linked patent would expire in 2024. However, there are a slew of continuation applications that expire much later than 2024.
Update: additionally, there is at least one earlier-dated patent filed in 1999, which expired in February. [3]
[1] https://datatracker.ietf.org/ipr/2554/
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