Patent No. EP3062949 (titled "A Method Of Brazing A Plate Heat Exchanger Using Screen Printed Brazing Material; A Plate Heat Exchanger Manufactured By Such Method") was filed by Swep on Oct 24, 2014. The application was issued on May 24, 2023.

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 |
|---|---|---|
| ALFA LAVAL CORPORATE | Aug 16, 2019 | GRUNECKER PATENT |
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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