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The patent EP2720526 was granted to Husqvarna on Mar 20, 2024. The application was filed on Jun 20, 2011 under application number EP11749480A. 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 | Oct 22, 2019 | KARZEL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2007098227 |
| INTERNATIONAL-SEARCH-REPORT | EP2030710 |
| INTERNATIONAL-SEARCH-REPORT | EP2128734 |
| INTERNATIONAL-SEARCH-REPORT | EP2281650 |
| INTERNATIONAL-SEARCH-REPORT | US2008089673 |
| OPPOSITION | DE102007015991 |
| OPPOSITION | DE19631555 |
| OPPOSITION | DE19809988 |
| OPPOSITION | DE3214482 |
| OPPOSITION | EP2030710 |
| OPPOSITION | EP2128734 |
| OPPOSITION | EP2281650 |
| OPPOSITION | US2008089673 |
| OPPOSITION | WO2007098227 |
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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Feb 22, 2024
Feb 22, 2024
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Description
OPPO
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(Electronic) Receipt
Appeal
Oct 23, 2023
(Electronic) Receipt
Appeal
Oct 23, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
Oct 5, 2022
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Mar 28, 2022
Mar 22, 2022
(Electronic) Receipt
Appeal
Mar 22, 2022
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Reply to appeal
Appeal
Nov 25, 2021
Nov 22, 2021
(Electronic) Receipt
Appeal
Nov 22, 2021
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Claims
Appeal
Nov 22, 2021
Claims
Appeal
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Claims
Appeal
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Claims
Appeal
Nov 22, 2021
Claims
Appeal
Nov 22, 2021
Claims
Appeal
Nov 22, 2021
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(Electronic) Receipt
Appeal
Aug 11, 2021
Aug 11, 2021
Notice of appeal
Appeal
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Means of redress
OPPO
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OPPO
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Feb 4, 2019
Jan 7, 2019
Decision to grant a European patent
Search/Exam
Dec 13, 2018
(Electronic) Receipt
Search/Exam
Dec 13, 2018
French translation of claims
Search/Exam
Dec 13, 2018
German translation of the claims
Search/Exam
Dec 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 15, 2018
Aug 15, 2018
Aug 15, 2018
Intention to grant (signatures)
Search/Exam
Aug 15, 2018
Text intended for grant (clean copy)
Search/Exam
Aug 15, 2018
Dec 13, 2017
(Electronic) Receipt
Search/Exam
Dec 13, 2017
Amended claims with annotations
Search/Exam
Dec 13, 2017
Claims
Search/Exam
Dec 13, 2017
Description
Search/Exam
Dec 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 13, 2017
Sep 5, 2017
Annex to the communication
Search/Exam
Sep 5, 2017
Communication from the Examining Division
Search/Exam
Aug 30, 2017
Examination started
Search/Exam
Mar 11, 2015
Refund of fees
Search/Exam
Aug 21, 2014
Aug 21, 2014
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Amendments received before examination
Search/Exam
Jul 7, 2014
Jun 26, 2014
Payment of fees and costs
Search/Exam
Jun 26, 2014
Mar 26, 2014
Feb 12, 2014
Feb 3, 2014
Communication to designated inventor
Search/Exam
Jan 23, 2014
Jan 20, 2014
(Electronic) Receipt
Search/Exam
Jan 20, 2014
Request for entry into the European phase
Search/Exam
Nov 4, 2013
Information on entry into European phase
Search/Exam
Dec 27, 2012
Copy of the international search report
Search/Exam
Dec 27, 2012
Published international application - A1
Search/Exam
Mar 30, 2012
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Jul 22, 2011
Abstract
PCTISA
Jul 22, 2011
Claims
PCTISA
Jul 22, 2011
Description
PCTISA
Jul 22, 2011
Drawings
PCTISA