Patent No. EP4240298 (titled "Phacoemulsification Probe Stroke Length Maximization System") was filed by Johnson & Johnson Surgical Vision on Oct 26, 2021. The application was issued on Feb 11, 2026.

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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