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The patent EP3247228 was granted to Pfeifer & Langen on Dec 23, 2020. The application was filed on Jan 22, 2016 under application number EP16701349A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| PAJARO | Sep 3, 2021 | BIRD & BIRD | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2025233 |
| INTERNATIONAL-SEARCH-REPORT | JP2004321068 |
| INTERNATIONAL-SEARCH-REPORT | JP2011026411 |
| INTERNATIONAL-SEARCH-REPORT | US2014005139 |
| OPPOSITION | DE202014103048U |
| OPPOSITION | US2004170723 |
| OPPOSITION | US2014005139 |
| OPPOSITION | US6287610 |
| OPPOSITION | WO2016116622 |
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
Nov 25, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 19, 2024
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Reply to appeal
Appeal
Oct 12, 2023
Oct 6, 2023
(Electronic) Receipt
Appeal
Oct 6, 2023
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(Electronic) Receipt
Appeal
Aug 11, 2023
Aug 11, 2023
Notice of appeal
Appeal
Jun 19, 2023
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Jun 9, 2023
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Means of redress
OPPO
Jun 9, 2023
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Refund of fees
OPPO
Oct 7, 2021
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Sep 28, 2021
Sep 22, 2021
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Nov 26, 2020
Decision to grant a European patent
Search/Exam
Nov 16, 2020
(Electronic) Receipt
Search/Exam
Nov 16, 2020
English translation of the claims
Search/Exam
Nov 16, 2020
Filing of the translations of the claims
Search/Exam
Nov 16, 2020
French translation of claims
Search/Exam
Nov 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2020
Jul 27, 2020
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Intention to grant (signatures)
Search/Exam
Jul 27, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 27, 2020
Jul 17, 2020
Annex to the communication
Search/Exam
Jul 17, 2020
Consultation by telephone/in person
Search/Exam
Jul 17, 2020
Sep 16, 2019
(Electronic) Receipt
Search/Exam
Sep 16, 2019
Claims
Search/Exam
Sep 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2019
May 6, 2019
Annex to the communication
Search/Exam
May 6, 2019
Communication from the Examining Division
Search/Exam
Apr 30, 2019
Examination started
Search/Exam
Nov 19, 2018
Submission concerning representation
Search/Exam
Apr 5, 2018
Mar 27, 2018
(Electronic) Receipt
Search/Exam
Mar 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2018
Mar 9, 2018
(Electronic) Receipt
Search/Exam
Mar 9, 2018
Mar 9, 2018
Amendments received before examination
Search/Exam
Mar 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2017
Sep 1, 2017
Aug 30, 2017
Communication to designated inventor
Search/Exam
Aug 30, 2017
Communication to designated inventor
Search/Exam
Aug 30, 2017
Communication to designated inventor
Search/Exam
Aug 30, 2017
Communication to designated inventor
Search/Exam
Aug 30, 2017
Communication to designated inventor
Search/Exam
Aug 30, 2017
Communication to designated inventor
Search/Exam
Aug 25, 2017
Priority search results copy provided by EPO
Search/Exam
Aug 8, 2017
Jul 4, 2017
(Electronic) Receipt
Search/Exam
Jul 4, 2017
Request for entry into the European phase
Search/Exam
Jun 2, 2017
Information on entry into European phase
Search/Exam
Aug 15, 2016
Jul 28, 2016
Copy of the international search report
Search/Exam
Jul 28, 2016
Copy of the international search report
Search/Exam
Jul 28, 2016
Published international application - A1
Search/Exam
Jun 17, 2016
ISR: cited documents
PCTISA
Jun 17, 2016
Jun 15, 2016
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Feb 2, 2016
Jan 29, 2016
Jan 28, 2016
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(Electronic) Receipt
PCTRO
Jan 22, 2016
Abstract
PCTRO
Jan 22, 2016
Claims
PCTRO
Jan 22, 2016
Description
PCTRO
Jan 22, 2016
Jan 22, 2016
Drawings
PCTRO