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The patent EP3297764 was granted to Alfred Krcher on Aug 21, 2024. The application was filed on May 21, 2015 under application number EP15723711A. 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 |
|---|---|---|---|
| ANDREAS STIHL | Dec 22, 2020 | WITTE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102006009855 |
| INTERNATIONAL-SEARCH-REPORT | DE102006009855 |
| INTERNATIONAL-SEARCH-REPORT | DE102014112585 |
| INTERNATIONAL-SEARCH-REPORT | US2006108449 |
| INTERNATIONAL-SEARCH-REPORT | US2013214059 |
| OPPOSITION | DE102004063201 |
| OPPOSITION | DE102006009855 |
| OPPOSITION | DE102010053583 |
| OPPOSITION | DE102014112585 |
| OPPOSITION | EP1043080 |
| OPPOSITION | EP1367958 |
| OPPOSITION | EP1663533 |
| OPPOSITION | EP2177322 |
| OPPOSITION | EP2716368 |
| OPPOSITION | EP2839885 |
| OPPOSITION | EP3212341 |
| OPPOSITION | JP2014046284 |
| OPPOSITION | US2006108449 |
| OPPOSITION | US2013214059 |
| OPPOSITION | WO2007107169 |
| OPPOSITION | WO2012049011 |
| OPPOSITION | WO2016066209 |
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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Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 17, 2024
Jul 17, 2024
General enquiry
OPPO
Jul 17, 2024
Mar 20, 2024
Mar 20, 2024
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Mar 20, 2024
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Jan 2, 2024
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Dec 18, 2023
Dec 6, 2023
Advice of delivery
Appeal
Dec 5, 2023
Refund of fees
Appeal
Dec 1, 2023
Dec 1, 2023
Dec 1, 2023
Dec 1, 2023
Nov 28, 2023
Nov 27, 2023
(Electronic) Receipt
Appeal
Nov 27, 2023
Nov 27, 2023
Withdrawal of an appeal
Appeal
Nov 2, 2023
Nov 2, 2023
Oct 31, 2023
Oct 26, 2023
(Electronic) Receipt
Appeal
Oct 26, 2023
Advice of delivery
Appeal
Oct 26, 2023
Oct 26, 2023
Oct 20, 2023
Oct 20, 2023
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Oct 17, 2023
(Electronic) Receipt
Appeal
Oct 17, 2023
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(Electronic) Receipt
Appeal
Oct 10, 2023
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Sep 21, 2023
Advice of delivery
Appeal
Sep 18, 2023
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(Electronic) Receipt
Appeal
Apr 24, 2023
Apr 24, 2023
Reply to appeal
Appeal
Dec 16, 2022
Dec 12, 2022
(Electronic) Receipt
Appeal
Dec 12, 2022
Dec 12, 2022
Oct 17, 2022
Oct 17, 2022
Oct 12, 2022
(Electronic) Receipt
Appeal
Oct 12, 2022
Oct 12, 2022
Notice of appeal
Appeal
Aug 8, 2022
Aug 4, 2022
Aug 4, 2022
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Means of redress
OPPO
Aug 4, 2022
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Apr 15, 2020
Mar 5, 2020
Decision to grant a European patent
Search/Exam
Feb 20, 2020
(Electronic) Receipt
Search/Exam
Feb 20, 2020
English translation of the claims
Search/Exam
Feb 20, 2020
Filing of the translations of the claims
Search/Exam
Feb 20, 2020
French translation of claims
Search/Exam
Feb 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 31, 2019
Oct 31, 2019
Oct 31, 2019
Intention to grant (signatures)
Search/Exam
Oct 31, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 31, 2019
Aug 2, 2019
Examination started
Search/Exam
Jul 19, 2018
Jul 18, 2018
Refund of fees
Search/Exam
Jul 16, 2018
Jul 4, 2018
(Electronic) Receipt
Search/Exam
Jul 4, 2018
Jul 4, 2018
Amended claims with annotations
Search/Exam
Jul 4, 2018
Jul 4, 2018
Amended description with annotations
Search/Exam
Jul 4, 2018
Jul 4, 2018
Amended drawings with annotations
Search/Exam
Jul 4, 2018
Amendments received before examination
Search/Exam
Jul 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2018
Communication to designated inventor
Search/Exam
Mar 2, 2018
(Electronic) Receipt
Search/Exam
Mar 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2018
Letter concerning the inventor
Search/Exam
Feb 28, 2018
Feb 23, 2018
Feb 15, 2018
Letter which had not been notified
Search/Exam
Jan 5, 2018
Jan 3, 2018
Communication to designated inventor
Search/Exam
Jan 3, 2018
Communication to designated inventor
Search/Exam
Jan 3, 2018
Communication to designated inventor
Search/Exam
Jan 3, 2018
Communication to designated inventor
Search/Exam
Dec 6, 2017
Nov 16, 2017
(Electronic) Receipt
Search/Exam
Nov 16, 2017
Request for entry into the European phase
Search/Exam
Sep 29, 2017
Information on entry into European phase
Search/Exam
Nov 24, 2016
Copy of the international search report
Search/Exam
Nov 24, 2016
Copy of the international search report
Search/Exam
Nov 24, 2016
Published international application - A1
Search/Exam
Feb 4, 2016
Feb 4, 2016
Feb 4, 2016
May 21, 2015
(Electronic) Receipt
PCTRO
May 21, 2015
Abstract
PCTRO
May 21, 2015
Claims
PCTRO
May 21, 2015
Description
PCTRO
May 21, 2015
Drawings
PCTRO