Patent No. EP2848356 (titled "A Method For Repairing A Turbine Component Wherein Damaged Material Is Removed And A Plug With Improved Material Properties Is Inserted And A Corresponding Repaired Component") was filed by General Electric on Sep 2, 2014. The application was issued on May 21, 2025.

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 |
|---|---|---|
| RAYTHEON | Aug 14, 2019 | DEHNS |
| SIEMENS | Feb 1, 2019 | PAUL & ALBRECHT 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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