The patent EP2637506 was granted to Fritsch on Nov 28, 2018. The application was originally filed on Oct 11, 2011 under application number EP11817294A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe 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
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
May 6, 2025
(Electronic) Receipt
Appeal
May 6, 2025
May 6, 2025
Mar 19, 2025
Apr 5, 2024
Apr 5, 2024
Apr 2, 2024
Mar 18, 2024
(Electronic) Receipt
Appeal
Mar 18, 2024
Mar 18, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Oct 12, 2023
Oct 12, 2023
Sep 11, 2023
Sep 11, 2023
Aug 24, 2023
Aug 21, 2023
(Electronic) Receipt
Appeal
Aug 21, 2023
Mar 28, 2023
Mar 23, 2023
(Electronic) Receipt
Appeal
Mar 23, 2023
Mar 23, 2023
Mar 21, 2023
Mar 16, 2023
(Electronic) Receipt
Appeal
Mar 16, 2023
Feb 13, 2023
Feb 8, 2023
(Electronic) Receipt
Appeal
Feb 8, 2023
Feb 8, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 6, 2023
Feb 3, 2023
(Electronic) Receipt
Appeal
Feb 3, 2023
Feb 3, 2023
Feb 3, 2023
Feb 2, 2023
Jan 9, 2023
Nov 9, 2022
Nov 4, 2022
(Electronic) Receipt
Appeal
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Reply to appeal
Appeal
Nov 2, 2022
Oct 27, 2022
(Electronic) Receipt
Appeal
Oct 27, 2022
Oct 27, 2022
Reply to appeal
Appeal
Jun 29, 2022
Jun 29, 2022
Jun 24, 2022
(Electronic) Receipt
Appeal
Jun 24, 2022
Jun 24, 2022
Jun 7, 2022
(Electronic) Receipt
Appeal
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
May 2, 2022
May 2, 2022
Apr 27, 2022
(Electronic) Receipt
Appeal
Apr 27, 2022
Apr 27, 2022
Notice of appeal
Appeal
Apr 7, 2022
Apr 7, 2022
Apr 3, 2022
(Electronic) Receipt
Appeal
Apr 3, 2022
Apr 3, 2022
Notice of appeal
Appeal
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Means of redress
OPPO
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 17, 2022
Feb 8, 2022
Feb 8, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Dec 9, 2021
Nov 16, 2021
Nov 16, 2021
Oct 13, 2021
Oct 12, 2021
Oct 8, 2021
Oct 8, 2021
Oct 8, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Sep 30, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Sep 7, 2021
Sep 7, 2021
Aug 19, 2021
Aug 13, 2021
Aug 13, 2021
Aug 13, 2021
Jul 12, 2021
Jul 2, 2021
Jul 2, 2021
Mar 29, 2021
Mar 29, 2021
Mar 29, 2021
Mar 29, 2021
Mar 29, 2021
Mar 29, 2021
Mar 29, 2021
Feb 24, 2021
Feb 23, 2021
Feb 23, 2021
Feb 22, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 16, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 14, 2021
Feb 11, 2021
Feb 11, 2021
Feb 10, 2021
Feb 10, 2021
Feb 10, 2021
Feb 10, 2021
Feb 10, 2021
Feb 10, 2021
Feb 10, 2021
Feb 10, 2021
Feb 3, 2021
Feb 3, 2021
Feb 3, 2021
Feb 3, 2021
Jan 28, 2021
Jan 28, 2021
Jan 28, 2021
Jan 28, 2021
Jan 28, 2021
Jan 28, 2021
Oct 12, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Jun 24, 2020
Jun 24, 2020
Jun 19, 2020
Jun 17, 2020
Jun 11, 2020
Jun 11, 2020
Jun 11, 2020
Jun 2, 2020
Jun 2, 2020
May 6, 2020
Apr 29, 2020
Apr 29, 2020
Apr 29, 2020
Oct 25, 2019
Oct 25, 2019
Oct 25, 2019
Oct 10, 2019
Annex
OPPO
Oct 10, 2019
Annex
OPPO
Oct 10, 2019
Annex
OPPO
Oct 10, 2019
Annex
OPPO
Oct 10, 2019
Annex
OPPO
Oct 10, 2019
Annex
OPPO
Oct 10, 2019
Oct 9, 2019
Oct 7, 2019
Sep 27, 2019
Sep 27, 2019
Sep 23, 2019
Sep 20, 2019
Sep 20, 2019
Sep 18, 2019
Sep 17, 2019
Sep 16, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 6, 2019
Aug 27, 2019
Aug 27, 2019
Aug 27, 2019
Aug 27, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Dec 10, 2018
Nov 2, 2018
Decision to grant a European patent
Search/Exam
Oct 19, 2018
Oct 19, 2018
Oct 19, 2018
Intention to grant (signatures)
Search/Exam
Oct 19, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 19, 2018
Sep 26, 2018
(Electronic) Receipt
Search/Exam
Sep 26, 2018
Description
Search/Exam
Sep 26, 2018
English translation of the claims
Search/Exam
Sep 26, 2018
French translation of claims
Search/Exam
Sep 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 26, 2018
May 24, 2018
May 24, 2018
May 24, 2018
Intention to grant (signatures)
Search/Exam
May 24, 2018
Text intended for grant (clean copy)
Search/Exam
May 24, 2018
Dec 8, 2017
Amended claims with annotations
Search/Exam
Dec 8, 2017
Amended description with annotations
Search/Exam
Dec 8, 2017
Claims
Search/Exam
Dec 8, 2017
Description
Search/Exam
Dec 8, 2017
Dec 1, 2017
Amended claims with annotations
Search/Exam
Dec 1, 2017
Amended description with annotations
Search/Exam
Dec 1, 2017
Claims
Search/Exam
Dec 1, 2017
Description
Search/Exam
Dec 1, 2017
Aug 2, 2017
Annex to the communication
Search/Exam
Aug 2, 2017
Communication from the Examining Division
Search/Exam
Mar 17, 2017
Amended claims with annotations
Search/Exam
Mar 17, 2017
Amended description with annotations
Search/Exam
Mar 17, 2017
Claims
Search/Exam
Mar 17, 2017
Description
Search/Exam
Mar 17, 2017
Jan 4, 2017
Annex to the communication
Search/Exam
Jan 4, 2017
Jan 4, 2017
Oct 21, 2016
Payment of fees and costs
Search/Exam
Oct 20, 2016
Payment of fees and costs
Search/Exam
Jul 22, 2016
Jul 21, 2016
May 17, 2016
Annex to the communication
Search/Exam
May 17, 2016
Communication from the Examining Division
Search/Exam
Apr 29, 2016
Examination started
Search/Exam
Oct 21, 2015
Payment of fees and costs
Search/Exam
Oct 20, 2015
Payment of fees and costs
Search/Exam
Oct 25, 2014
Payment of fees and costs
Search/Exam
Oct 23, 2014
Payment of fees and costs
Search/Exam
Feb 13, 2014
Priority search results
Search/Exam
Feb 13, 2014
Feb 11, 2014
Priority search results
Search/Exam
Feb 11, 2014
Feb 5, 2014
Aug 21, 2013
Jun 18, 2013
Jun 14, 2013
Communication to designated inventor
Search/Exam
May 30, 2013
Apr 12, 2013
(Electronic) Receipt
Search/Exam
Apr 12, 2013
Apr 12, 2013
Amended claims with annotations
Search/Exam
Apr 12, 2013
Amendments received before examination
Search/Exam
Apr 12, 2013
Request for entry into the European phase
Search/Exam
Mar 22, 2013
Information on entry into European phase
Search/Exam
Jul 12, 2012
Copy of the international search report
Search/Exam
Jul 12, 2012
Copy of the international search report
Search/Exam
Jul 12, 2012
Jun 5, 2012
Jun 5, 2012
May 18, 2012
Published international application - A2
Search/Exam
May 9, 2012
May 9, 2012
May 9, 2012
Feb 22, 2012
Feb 10, 2012
Abstract
PCTISA
Feb 10, 2012
Claims
PCTISA
Feb 10, 2012
Description
PCTISA
Feb 10, 2012
Drawings
PCTISA