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Context: MediaTek used to be one of the most vocal proponents of exhaustive chipset-level licenses to standard-essential patents (SEPs), but took the opposite position in a dispute with Huawei. MediaTek’s hold-out strategy involved UK FRAND (fair, reasonable and non-discriminatory licensing) litigation (April 15, 2025 ip fray article). Cases were pending in various jurisdictions, but Brazil was ahead of the crowd with a couple of preliminary injunctions (PIs) that issued in the spring, one over a 4G SEP and one over an Enhanced Voice Services (EVS) SEP.

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