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The patent EP3157816 was granted to RP Scherer on Apr 15, 2020. The application was filed on Jun 23, 2015 under application number EP15812867A. 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 |
|---|---|---|---|
| KOCHER PLASTIK MASCHINENBAU | Jan 12, 2021 | BARTELS UND PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2008018968 |
| INTERNATIONAL-SEARCH-REPORT | JPH08198204 |
| INTERNATIONAL-SEARCH-REPORT | US2009200191 |
| INTERNATIONAL-SEARCH-REPORT | US2013255827 |
| INTERNATIONAL-SEARCH-REPORT | US5169470 |
| OPPOSITION | US2010262114 |
| OPPOSITION | US2011109018 |
| OPPOSITION | US2011154785 |
| OPPOSITION | US2014348700 |
| OPPOSITION | US2014352260 |
| OPPOSITION | US3460198 |
| OPPOSITION | US6214282 |
| SEARCH | DE2924814 |
| SEARCH | US2011154785 |
| SEARCH | US6214282 |
| SEARCH | WO9726126 |
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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Refund of fees
Appeal
Nov 20, 2024
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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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Advice of delivery
Appeal
Jan 22, 2024
Advice of delivery
Appeal
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Nov 7, 2023
(Electronic) Receipt
Appeal
Nov 7, 2023
Nov 7, 2023
Reply to appeal
Appeal
Jul 11, 2023
Jul 5, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
May 4, 2023
May 4, 2023
Notice of appeal
Appeal
Mar 9, 2023
Mar 7, 2023
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Means of redress
OPPO
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Apr 27, 2020
Mar 26, 2020
Payment submission rejected
Search/Exam
Mar 19, 2020
Decision to grant a European patent
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Mar 4, 2020
(Electronic) Receipt
Search/Exam
Mar 4, 2020
Filing of the translations of the claims
Search/Exam
Mar 4, 2020
French translation of claims
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Mar 4, 2020
German translation of the claims
Search/Exam
Nov 29, 2019
Nov 29, 2019
Nov 29, 2019
Intention to grant (signatures)
Search/Exam
Nov 29, 2019
Text intended for grant (clean copy)
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Nov 29, 2019
Nov 7, 2019
(Electronic) Receipt
Search/Exam
Nov 7, 2019
Claims
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Nov 7, 2019
Letter accompanying subsequently filed items
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Nov 7, 2019
Oct 24, 2019
Oct 24, 2019
Oct 24, 2019
Intention to grant (signatures)
Search/Exam
Oct 24, 2019
Text intended for grant (clean copy)
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Oct 24, 2019
Sep 11, 2019
Sep 4, 2019
(Electronic) Receipt
Search/Exam
Sep 4, 2019
Claims
Search/Exam
Sep 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2019
Aug 7, 2019
(Electronic) Receipt
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Aug 7, 2019
(Electronic) Receipt
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Aug 7, 2019
Claims
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Aug 7, 2019
Claims
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Aug 7, 2019
Claims
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Aug 7, 2019
Claims
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Aug 7, 2019
Claims
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Aug 7, 2019
Claims
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Aug 7, 2019
Claims
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Aug 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 7, 2019
Aug 7, 2019
Aug 7, 2019
Jun 18, 2019
Advice of delivery
Search/Exam
May 27, 2019
Acknowledgement of a document
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May 27, 2019
Annex to the communication
Search/Exam
May 27, 2019
Summons to attend oral proceedings
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Feb 28, 2019
(Electronic) Receipt
Search/Exam
Feb 28, 2019
Amended claims with annotations
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Feb 28, 2019
Claims
Search/Exam
Feb 28, 2019
Description
Search/Exam
Feb 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 28, 2019
Nov 14, 2018
Annex to the communication
Search/Exam
Nov 14, 2018
Communication from the Examining Division
Search/Exam
Oct 26, 2018
Examination started
Search/Exam
Sep 21, 2018
Jun 11, 2018
(Electronic) Receipt
Search/Exam
Jun 11, 2018
Jun 11, 2018
Amended claims with annotations
Search/Exam
Jun 11, 2018
Jun 11, 2018
Amended description with annotations
Search/Exam
Jun 11, 2018
Amendments received before examination
Search/Exam
Jun 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2018
Dec 22, 2017
Dec 22, 2017
European search opinion
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Dec 22, 2017
Information on Search Strategy
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Dec 22, 2017
Supplementary European search report
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Dec 7, 2017
Search started
Search/Exam
Aug 1, 2017
(Electronic) Receipt
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Aug 1, 2017
Aug 1, 2017
Amended claims with annotations
Search/Exam
Aug 1, 2017
Amendments received before examination
Search/Exam
Aug 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 29, 2017
Jan 31, 2017
Jan 27, 2017
Communication to designated inventor
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Jan 11, 2017
Nov 21, 2016
(Electronic) Receipt
Search/Exam
Nov 21, 2016
Request for entry into the European phase
Search/Exam
Nov 4, 2016
Information on entry into European phase
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Jan 19, 2016
Dec 30, 2015
Copy of the international search report
Search/Exam
Dec 30, 2015
Published international application - A1
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