Patent No. EP3753056 (titled "Electric Cell Potting Compound And Method Of Making") was filed by HB Fuller on Feb 15, 2019. The application was issued on Mar 30, 2022.

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 |
|---|---|---|
| RAMPF POLYMER SOLUTIONS | Dec 30, 2022 | WEICKMANN & WEICKMANN |
| RAMPF POLYMER SOLUTIONS | Dec 30, 2022 | WEICKMANN & WEICKMANN PARTMBB |
| HENKEL | Dec 28, 2022 | KBN |
| HENKEL | Dec 28, 2022 | PATENTANWALTE BAUER VORBERG KAYSER |
| BASF | Dec 23, 2022 | BASF ASSOCIATION |
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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