Patent No. EP3286857 (titled "Preamble And Payload For High Efficiency (He) Transmission") was filed by Atlas on Apr 22, 2016. The application was issued on Apr 14, 2021.

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 |
|---|---|---|
| DELL | Aug 28, 2023 | SAMSON & PARTNER PATENTANWALTE MBB |
| HP | Aug 21, 2023 | FAHNDRICH |
| ASUS COMPUTER | Aug 14, 2023 | HOFFMANN EITLE |
| TP LINK | Aug 14, 2023 | RICHTER |
| ACER COMPUTER | Aug 10, 2023 | LYNKER |
| DILG | Jan 14, 2022 | DILG |
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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