Patent No. EP2548528 (titled "Method And Apparatus For Patterned Plasma-Mediated Laser Trephination Of The Lens Capsule And Three Dimensional Phaco-Segmentation") was filed by AMO on Jan 10, 2006. The application was issued on Sep 30, 2020.

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.
| Company | Opposition Date | Representative |
|---|---|---|
| GRUNECKER PATENT UND RECHTSANWALTE PARTG MBB | Jun 30, 2021 | - |
| ALCON | Apr 14, 2021 | BREUER FRIEDRICH HAHNER PATENTANWALTE PARTG MBB |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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