Patent No. EP3624549 (titled "Method And Device For Controlling Rrc State, And Computer Storage Medium") was filed by Guangdong OPPO Mobile Telecommunications Corp., Ltd. on Apr 2, 2018. The application was issued on Mar 24, 2021.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
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