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The patent EP3321498 was granted to Andreas Stihl on Mar 4, 2020. The application was filed on Nov 10, 2016 under application number EP16400051A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| HUSQVARNA | Dec 3, 2020 | INDUSTRIPATENT I VAXJO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102011003645 |
| OPPOSITION | DE102015013052 |
| OPPOSITION | EP1475519 |
| OPPOSITION | EP1502637 |
| OPPOSITION | US2002166809 |
| OPPOSITION | US2005150826 |
| OPPOSITION | US2013133620 |
| OPPOSITION | US2015041565 |
| OPPOSITION | US2016074788 |
| OPPOSITION | US3841489 |
| OPPOSITION | US5441637 |
| OPPOSITION | US6167874 |
| OPPOSITION | US6440305 |
| OPPOSITION | US6482321 |
| SEARCH | DE19860391 |
| SEARCH | DE19953986 |
| SEARCH | DE202013003527U |
| SEARCH | EP2597295 |
| SEARCH | US2005150826 |
| SEARCH | US3841489 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 23, 2024
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Nov 14, 2023
Nov 8, 2023
(Electronic) Receipt
Appeal
Nov 8, 2023
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Jul 31, 2023
(Electronic) Receipt
Appeal
Jul 31, 2023
Jul 31, 2023
Notice of appeal
Appeal
Jul 20, 2023
Jul 17, 2023
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Means of redress
OPPO
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Mar 16, 2020
Feb 6, 2020
Decision to grant a European patent
Search/Exam
Jan 21, 2020
(Electronic) Receipt
Search/Exam
Jan 21, 2020
English translation of the claims
Search/Exam
Jan 21, 2020
French translation of claims
Search/Exam
Jan 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Intention to grant (signatures)
Search/Exam
Oct 8, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 8, 2019
Apr 16, 2019
(Electronic) Receipt
Search/Exam
Apr 16, 2019
Amended claims with annotations
Search/Exam
Apr 16, 2019
Amended description with annotations
Search/Exam
Apr 16, 2019
Claims
Search/Exam
Apr 16, 2019
Description
Search/Exam
Apr 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 16, 2019
Dec 20, 2018
Annex to the communication
Search/Exam
Dec 20, 2018
Communication from the Examining Division
Search/Exam
Dec 14, 2018
Examination started
Search/Exam
Oct 31, 2018
(Electronic) Receipt
Search/Exam
Oct 31, 2018
Oct 31, 2018
Amended claims with annotations
Search/Exam
Oct 31, 2018
Oct 31, 2018
Amended description with annotations
Search/Exam
Oct 31, 2018
Oct 31, 2018
Amendments received before examination
Search/Exam
Oct 31, 2018
Letter accompanying subsequently filed items
Search/Exam
May 22, 2018
Apr 18, 2018
Notification of forthcoming publication
Search/Exam
Mar 17, 2017
Communication to designated inventor
Search/Exam
Mar 17, 2017
Communication to designated inventor
Search/Exam
Mar 17, 2017
Communication to designated inventor
Search/Exam
Feb 20, 2017
Authorisation
Search/Exam
Feb 20, 2017
Designation of inventor
Search/Exam
Feb 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2017
Feb 10, 2017
European search opinion
Search/Exam
Feb 10, 2017
European search report
Search/Exam
Feb 10, 2017
Information on Search Strategy
Search/Exam
Jan 31, 2017
Search started
Search/Exam
Dec 16, 2016
Deficiency in designation of inventor
Search/Exam
Nov 18, 2016
Matter concerning the application
Search/Exam
Nov 18, 2016
Request for grant of a European patent
Search/Exam
Nov 10, 2016
Abstract
Search/Exam
Nov 10, 2016
Annex
Search/Exam
Nov 10, 2016
Claims
Search/Exam
Nov 10, 2016
Description
Search/Exam
Nov 10, 2016
Drawings
Search/Exam
Nov 10, 2016
Payment of fees and costs
Search/Exam
Nov 10, 2016
Request for grant of a European patent
Search/Exam
Nov 10, 2016
Submission concerning representation
Search/Exam