Patent No. EP3156117 (titled "Method For Protection Of Scr Catalyst And Control Of Multiple Emissions") was filed by The Babcock & Wilcox on Oct 19, 2011. The application was issued on Jan 23, 2019.

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 |
|---|---|---|
| FLETCHER | Oct 23, 2019 | ABEL & IMRAY |
| ORSTED BIOENERGY & THERMAL POWER | Oct 22, 2019 | AWA DENMARK |
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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