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The patent EP2606221 was granted to Technische Universitt Mnchen on Nov 15, 2023. The application was filed on Aug 2, 2011 under application number EP11740850A. 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 |
|---|---|---|---|
| FELLA MASCHINENBAU | Sep 20, 2018 | WALLER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE8916132U |
| INTERNATIONAL-SEARCH-REPORT | DE19515924 |
| INTERNATIONAL-SEARCH-REPORT | DE3926695 |
| INTERNATIONAL-SEARCH-REPORT | DE4241854 |
| INTERNATIONAL-SEARCH-REPORT | EP2206914 |
| OPPOSITION | CH44944 |
| OPPOSITION | CH47505 |
| OPPOSITION | CH47618 |
| OPPOSITION | CH47633 |
| OPPOSITION | CH53903 |
| OPPOSITION | DE19515924 |
| OPPOSITION | DE3926695 |
| OPPOSITION | DE4135707 |
| OPPOSITION | DE4241854 |
| OPPOSITION | EP2206914 |
| OPPOSITION | FR1028681 |
| OPPOSITION | FR1165735 |
| OPPOSITION | FR2865226 |
| OPPOSITION | FR2891286 |
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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Oct 19, 2023
Oct 19, 2023
Oct 12, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 13, 2023
May 23, 2023
Refund of fees
Appeal
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 12, 2023
(Electronic) Receipt
Appeal
May 12, 2023
May 12, 2023
May 12, 2023
Withdrawal of an appeal
Appeal
Mar 21, 2023
Mar 16, 2023
(Electronic) Receipt
Appeal
Mar 16, 2023
Mar 16, 2023
Feb 3, 2023
Feb 3, 2023
Jun 21, 2022
Jun 21, 2022
Jun 21, 2022
Jun 21, 2022
Jun 21, 2022
Jun 15, 2022
May 3, 2022
Feb 16, 2021
Feb 10, 2021
(Electronic) Receipt
Appeal
Feb 10, 2021
Feb 10, 2021
Feb 10, 2021
Dec 16, 2020
Dec 16, 2020
Dec 9, 2020
(Electronic) Receipt
Appeal
Dec 9, 2020
Dec 9, 2020
Notice of appeal
Appeal
Nov 13, 2020
Oct 7, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Means of redress
OPPO
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Aug 21, 2020
Aug 18, 2020
Aug 18, 2020
General enquiry
OPPO
Aug 18, 2020
Jan 20, 2020
Nov 21, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 14, 2019
Nov 8, 2019
Nov 8, 2019
Description
OPPO
Nov 8, 2019
Nov 8, 2019
Apr 12, 2019
Apr 10, 2019
Apr 10, 2019
Apr 9, 2019
Apr 2, 2019
Apr 2, 2019
Apr 2, 2019
Apr 2, 2019
Apr 2, 2019
Apr 2, 2019
Feb 15, 2019
Feb 12, 2019
Feb 12, 2019
Claims
OPPO
Feb 12, 2019
Claims
OPPO
Feb 12, 2019
Claims
OPPO
Feb 12, 2019
Claims
OPPO
Feb 12, 2019
Claims
OPPO
Feb 12, 2019
Claims
OPPO
Feb 12, 2019
Claims
OPPO
Feb 12, 2019
Feb 12, 2019
Oct 2, 2018
Oct 2, 2018
Sep 26, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Jan 5, 2018
Nov 23, 2017
Decision to grant a European patent
Search/Exam
Nov 9, 2017
Nov 9, 2017
Nov 9, 2017
Intention to grant (signatures)
Search/Exam
Nov 9, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 9, 2017
Nov 3, 2017
Sep 18, 2017
(Electronic) Receipt
Search/Exam
Sep 18, 2017
Amended description with annotations
Search/Exam
Sep 18, 2017
Description
Search/Exam
Sep 18, 2017
English translation of the claims
Search/Exam
Sep 18, 2017
French translation of claims
Search/Exam
Sep 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2017
May 8, 2017
May 8, 2017
May 8, 2017
Intention to grant (signatures)
Search/Exam
May 8, 2017
Text intended for grant (clean copy)
Search/Exam
May 8, 2017
Mar 13, 2017
Annex to the communication
Search/Exam
Mar 13, 2017
Consultation by telephone/in person
Search/Exam
Mar 13, 2017
Feb 21, 2017
Jan 25, 2017
(Electronic) Receipt
Search/Exam
Jan 25, 2017
Amended claims with annotations
Search/Exam
Jan 25, 2017
Claims
Search/Exam
Jan 25, 2017
Drawings
Search/Exam
Jan 25, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2017
Oct 5, 2016
Advice of delivery
Search/Exam
Sep 30, 2016
Acknowledgement of a document
Search/Exam
Sep 30, 2016
Annex to the communication
Search/Exam
Sep 30, 2016
Preparation for oral proceedings
Search/Exam
Sep 30, 2016
Summons to attend oral proceedings
Search/Exam
Feb 4, 2016
(Electronic) Receipt
Search/Exam
Feb 4, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2016
Dec 17, 2015
Annex to the communication
Search/Exam
Dec 17, 2015
Communication from the Examining Division
Search/Exam
Jun 23, 2015
Amended claims with annotations
Search/Exam
Jun 23, 2015
Amended description with annotations
Search/Exam
Jun 23, 2015
Claims
Search/Exam
Jun 23, 2015
Description
Search/Exam
Jun 23, 2015
May 28, 2015
Submission concerning representation
Search/Exam
May 7, 2015
Annex to the communication
Search/Exam
May 7, 2015
Communication from the Examining Division
Search/Exam
Apr 21, 2015
Examination started
Search/Exam
Apr 20, 2015
Letter concerning the inventor
Search/Exam
Aug 20, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
May 29, 2013
May 27, 2013
May 21, 2013
Letter which had not been notified
Search/Exam
Mar 22, 2013
Communication to designated inventor
Search/Exam
Mar 22, 2013
Communication to designated inventor
Search/Exam
Mar 22, 2013
Communication to designated inventor
Search/Exam
Mar 22, 2013
Communication to designated inventor
Search/Exam
Mar 22, 2013
Communication to designated inventor
Search/Exam
Mar 22, 2013
Communication to designated inventor
Search/Exam
Mar 22, 2013
Communication to designated inventor
Search/Exam
Mar 6, 2013
Feb 8, 2013
Feb 8, 2013
Amended claims with annotations
Search/Exam
Feb 8, 2013
Annex
Search/Exam
Feb 8, 2013
Matter concerning the application
Search/Exam
Feb 8, 2013
Payment of fees and costs
Search/Exam
Feb 8, 2013
Priority search results
Search/Exam
Feb 8, 2013
Request for entry into the European phase
Search/Exam
Jan 4, 2013
Information on entry into European phase
Search/Exam
Mar 13, 2012
Feb 23, 2012
Copy of the international search report
Search/Exam
Feb 23, 2012
Copy of the international search report
Search/Exam
Feb 23, 2012
Published international application - A1
Search/Exam
Nov 18, 2011
Nov 18, 2011
Nov 18, 2011
Aug 2, 2011
Abstract
PCTRO
Aug 2, 2011
Claims
PCTRO
Aug 2, 2011
Description
PCTRO
Aug 2, 2011
Drawings
PCTRO