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The patent EP3165635 was granted to Trtzschler on Mar 19, 2025. The application was filed on Sep 9, 2016 under application number EP16188023A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Opposition Status |
|---|---|---|---|
| MASCHINENFABRIK RIETER | Mar 30, 2022 | CANZLER & BERGMEIER PATENTANWALTE PARTNERSCHAFT MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE10055026 |
| OPPOSITION | DE102008000920 |
| OPPOSITION | DE1130336 |
| OPPOSITION | EP2463416 |
| OPPOSITION | US2719333 |
| SEARCH | DE102008000920 |
| SEARCH | EP0799916 |
| SEARCH | US3295170 |
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.
Date
Description
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OPPO
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Refund of fees
Search/Exam
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Jul 13, 2021
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Decision to grant a European patent
Search/Exam
May 19, 2021
(Electronic) Receipt
Search/Exam
May 19, 2021
English translation of the claims
Search/Exam
May 19, 2021
Filing of the translations of the claims
Search/Exam
May 19, 2021
French translation of claims
Search/Exam
May 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2021
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Intention to grant (signatures)
Search/Exam
Feb 18, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 18, 2021
Oct 22, 2020
(Electronic) Receipt
Search/Exam
Oct 22, 2020
Letter accompanying subsequently filed items
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Oct 22, 2020
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Annex to the communication
Search/Exam
Jul 22, 2020
Communication from the Examining Division
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Jul 14, 2020
Examination started
Search/Exam
Jan 19, 2018
(Electronic) Receipt
Search/Exam
Jan 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 19, 2018
Nov 28, 2017
Nov 27, 2017
Decision to allow further processing
Search/Exam
Nov 13, 2017
(Electronic) Receipt
Search/Exam
Nov 13, 2017
Abstract
Search/Exam
Nov 13, 2017
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Amended description with annotations
Search/Exam
Nov 13, 2017
Nov 13, 2017
Amendments received before examination
Search/Exam
Nov 13, 2017
Letter accompanying subsequently filed items
Search/Exam
May 15, 2017
Apr 12, 2017
Notification of forthcoming publication
Search/Exam
Mar 14, 2017
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European search opinion
Search/Exam
Mar 14, 2017
European search report
Search/Exam
Mar 14, 2017
Information on Search Strategy
Search/Exam
Feb 24, 2017
Search started
Search/Exam
Dec 2, 2016
Communication to designated inventor
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Sep 10, 2016
Letter concerning the priority
Search/Exam
Sep 10, 2016
Priority document
Search/Exam
Sep 9, 2016
Abstract
Search/Exam
Sep 9, 2016
Sep 9, 2016
Claims
Search/Exam
Sep 9, 2016
Description
Search/Exam
Sep 9, 2016
Designation of inventor
Search/Exam
Sep 9, 2016
Drawings
Search/Exam
Sep 9, 2016
Request for grant of a European patent
Search/Exam