The weekly litigation news digest is live. Subscribe now
The patent EP3218181 was granted to JH Ziegler on Jan 4, 2023. The application was filed on Oct 23, 2015 under application number EP15794093A. 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 |
|---|---|---|---|
| TENOWO | May 28, 2019 | MEISSNER BOLTE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2014150336 |
| INTERNATIONAL-SEARCH-REPORT | DE19845735 |
| INTERNATIONAL-SEARCH-REPORT | DE202009015059U |
| INTERNATIONAL-SEARCH-REPORT | DE9415040U |
| INTERNATIONAL-SEARCH-REPORT | EP1039005 |
| INTERNATIONAL-SEARCH-REPORT | EP2853628 |
| INTERNATIONAL-SEARCH-REPORT | US2004103970 |
| INTERNATIONAL-SEARCH-REPORT | WO2013176176 |
| INTERNATIONAL-SEARCH-REPORT | WO2014150336 |
| OPPOSITION | DE102007004696 |
| OPPOSITION | DE102010047105 |
| OPPOSITION | DE102013104715 |
| OPPOSITION | DE19845735 |
| OPPOSITION | DE202009015059U |
| OPPOSITION | DE202011004408U |
| OPPOSITION | DE9415040U |
| OPPOSITION | EP0469309 |
| OPPOSITION | EP0753402 |
| OPPOSITION | EP1039005 |
| OPPOSITION | EP1270199 |
| OPPOSITION | EP1772258 |
| OPPOSITION | EP2414574 |
| OPPOSITION | JP2003300290 |
| OPPOSITION | JPH09248872 |
| OPPOSITION | US2004103970 |
| OPPOSITION | WO0196639 |
| OPPOSITION | WO2011084670 |
| OPPOSITION | WO2013176176 |
| OPPOSITION | WO2014150336 |
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
Get instant alerts for new documents
Dec 8, 2022
Dec 8, 2022
Dec 2, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Jul 27, 2022
Refund of fees
Appeal
Jul 26, 2022
Jul 26, 2022
Jul 22, 2022
Jul 21, 2022
Jul 18, 2022
(Electronic) Receipt
Appeal
Jul 18, 2022
Jul 18, 2022
Jul 18, 2022
Withdrawal of an appeal
Appeal
Jan 20, 2022
Jan 17, 2022
(Electronic) Receipt
Appeal
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Jan 17, 2022
Reply to appeal
Appeal
Sep 7, 2021
Sep 3, 2021
(Electronic) Receipt
Appeal
Sep 3, 2021
Sep 3, 2021
Sep 3, 2021
Jul 13, 2021
Jul 13, 2021
Jul 5, 2021
(Electronic) Receipt
Appeal
Jul 5, 2021
Jul 5, 2021
Notice of appeal
Appeal
Apr 28, 2021
Apr 27, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Means of redress
OPPO
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Mar 9, 2021
Mar 9, 2021
Mar 5, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Mar 3, 2021
Feb 23, 2021
Feb 23, 2021
Feb 23, 2021
Feb 23, 2021
Feb 23, 2021
Feb 19, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 9, 2021
Feb 9, 2021
Jan 15, 2021
Jan 15, 2021
Jan 13, 2021
Jan 13, 2021
Jan 7, 2021
Jan 7, 2021
Jan 7, 2021
Jan 7, 2021
Jan 7, 2021
Jan 7, 2021
Jan 7, 2021
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Oct 23, 2020
Oct 16, 2020
Oct 16, 2020
Oct 16, 2020
Jun 29, 2020
Jun 29, 2020
Jun 25, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Feb 27, 2020
Feb 21, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Oct 18, 2019
Oct 14, 2019
Oct 14, 2019
Oct 14, 2019
Jun 14, 2019
Jun 14, 2019
Jun 3, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
May 28, 2019
Sep 10, 2018
Aug 2, 2018
Decision to grant a European patent
Search/Exam
Jul 13, 2018
(Electronic) Receipt
Search/Exam
Jul 13, 2018
English translation of the claims
Search/Exam
Jul 13, 2018
Filing of the translations of the claims
Search/Exam
Jul 13, 2018
French translation of claims
Search/Exam
Jul 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 22, 2018
Mar 22, 2018
Mar 22, 2018
Intention to grant (signatures)
Search/Exam
Mar 22, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 22, 2018
Feb 16, 2018
Examination started
Search/Exam
Oct 24, 2017
(Electronic) Receipt
Search/Exam
Oct 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 23, 2017
Jun 19, 2017
Jun 14, 2017
Communication to designated inventor
Search/Exam
May 18, 2017
(Electronic) Receipt
Search/Exam
May 18, 2017
May 18, 2017
Amended description with annotations
Search/Exam
May 18, 2017
Priority search results
Search/Exam
May 18, 2017
Request for entry into the European phase
Search/Exam
May 15, 2017
May 15, 2017
Mar 24, 2017
Information on entry into European phase
Search/Exam
Nov 29, 2016
Nov 29, 2016
Nov 29, 2016
Nov 29, 2016
Nov 29, 2016
Oct 5, 2016
Notification of election of EPO
Search/Exam
Sep 19, 2016
Sep 8, 2016
Sep 8, 2016
PCT demand form
PCT2
Sep 8, 2016
Sep 8, 2016
Sep 8, 2016
Sep 8, 2016
Jun 7, 2016
May 19, 2016
Copy of the international search report
Search/Exam
May 19, 2016
Copy of the international search report
Search/Exam
May 19, 2016
Published international application - A1
Search/Exam
Jan 18, 2016
Jan 18, 2016
Jan 18, 2016
Nov 10, 2015
Oct 28, 2015
Oct 23, 2015
(Electronic) Receipt
PCTRO
Oct 23, 2015
Abstract
PCTRO
Oct 23, 2015
Claims
PCTRO
Oct 23, 2015
Description
PCTRO
Oct 23, 2015
Oct 23, 2015
Drawings
PCTRO
Oct 23, 2015