Patent No. EP3193261 (titled "Method And System For Editing Virtual Documents") was filed by Smartwork Solutions on Mar 18, 2014. The application was issued on Nov 4, 2020.

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 |
|---|---|---|
| BUNDESREPUBLIK DEUTSCHLAND | Aug 4, 2021 | S SCHRAMM SCHNEIDER BERTAGNOLL PATENT UND RECHTSANWALTE PART 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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