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The patent EP2855612 was granted to Tesa on Jun 22, 2022. The application was filed on May 15, 2013 under application number EP13724225A. 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 |
|---|---|---|---|
| M INNOVATIVE PROPERTIES | Jun 4, 2020 | HETTSTEDT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102008059050 |
| DESCRIPTION | DE102010062669 |
| DESCRIPTION | EP0384598 |
| DESCRIPTION | EP0679123 |
| DESCRIPTION | EP0752435 |
| DESCRIPTION | EP1262532 |
| DESCRIPTION | EP1308492 |
| DESCRIPTION | EP1469024 |
| DESCRIPTION | EP1469055 |
| DESCRIPTION | EP1791921 |
| DESCRIPTION | EP1791922 |
| DESCRIPTION | EP1802722 |
| DESCRIPTION | EP1849811 |
| DESCRIPTION | EP1978069 |
| DESCRIPTION | EP2046855 |
| DESCRIPTION | EP2119735 |
| DESCRIPTION | EP2276784 |
| DESCRIPTION | EP2325220 |
| DESCRIPTION | US4199646 |
| DESCRIPTION | US4248748 |
| DESCRIPTION | US5593759 |
| DESCRIPTION | US6124032 |
| INTERNATIONAL-SEARCH-REPORT | EP1262532 |
| INTERNATIONAL-SEARCH-REPORT | WO2012152712 |
| INTERNATIONAL-SEARCH-REPORT | WO2012152713 |
| OPPOSITION | EP1262532 |
| OPPOSITION | US2009048398 |
| OPPOSITION | US2010104864 |
| OPPOSITION | US2010137524 |
| OPPOSITION | US2011274843 |
| OPPOSITION | US2011281964 |
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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May 27, 2022
May 27, 2022
May 20, 2022
May 13, 2022
May 13, 2022
May 13, 2022
May 13, 2022
Apr 12, 2022
Apr 8, 2022
Apr 8, 2022
Mar 25, 2022
Mar 25, 2022
Authorisation
OPPO
Mar 25, 2022
Mar 23, 2022
Mar 22, 2022
Mar 22, 2022
Mar 17, 2022
Mar 15, 2022
Mar 15, 2022
Mar 15, 2022
Feb 24, 2022
Feb 24, 2022
Feb 23, 2022
Refund of fees
Search/Exam
Feb 11, 2022
(Electronic) Receipt
Appeal
Feb 11, 2022
Feb 11, 2022
Withdrawal of an appeal
Appeal
Feb 7, 2022
Feb 7, 2022
Feb 4, 2022
Refund of fees
Appeal
Jan 26, 2022
(Electronic) Receipt
Appeal
Jan 26, 2022
Jan 26, 2022
Notice of appeal
Appeal
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Nov 18, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Means of redress
OPPO
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Nov 17, 2021
Oct 22, 2021
Sep 15, 2021
Aug 27, 2021
Aug 26, 2021
Aug 23, 2021
Aug 23, 2021
Aug 23, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Jul 8, 2021
Jul 8, 2021
Jun 23, 2021
Jun 23, 2021
Jun 23, 2021
Jun 17, 2021
Jun 17, 2021
Authorisation
OPPO
Jun 17, 2021
Jun 17, 2021
Jun 11, 2021
Jun 11, 2021
Authorisation
OPPO
Jun 11, 2021
Jun 11, 2021
Apr 13, 2021
Communication of amended entries
Search/Exam
Mar 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2021
Feb 25, 2021
Feb 23, 2021
Feb 23, 2021
Feb 23, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Feb 19, 2021
Dec 14, 2020
Dec 7, 2020
Oct 30, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Jun 17, 2020
Jun 17, 2020
Jun 9, 2020
Jun 4, 2020
Jun 4, 2020
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Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Sep 16, 2019
Aug 8, 2019
Decision to grant a European patent
Search/Exam
Jul 29, 2019
Jul 23, 2019
(Electronic) Receipt
Search/Exam
Jul 23, 2019
English translation of the claims
Search/Exam
Jul 23, 2019
Filing of the translations of the claims
Search/Exam
Jul 23, 2019
French translation of claims
Search/Exam
Apr 9, 2019
Apr 9, 2019
Apr 9, 2019
Intention to grant (signatures)
Search/Exam
Apr 9, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 9, 2019
Jan 7, 2019
(Electronic) Receipt
Search/Exam
Jan 7, 2019
Amended claims with annotations
Search/Exam
Jan 7, 2019
Amended description with annotations
Search/Exam
Jan 7, 2019
Claims
Search/Exam
Jan 7, 2019
Description
Search/Exam
Jan 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2019
Nov 19, 2018
Nov 9, 2018
(Electronic) Receipt
Search/Exam
Nov 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 9, 2018
Sep 7, 2018
Annex to the communication
Search/Exam
Sep 7, 2018
Communication from the Examining Division
Search/Exam
Jun 22, 2018
Decision to allow further processing
Search/Exam
Jun 11, 2018
(Electronic) Receipt
Search/Exam
Jun 11, 2018
Claims
Search/Exam
Jun 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 11, 2018
Request for further processing
Search/Exam
Apr 18, 2018
Jan 10, 2018
Annex to the communication
Search/Exam
Jan 10, 2018
Communication from the Examining Division
Search/Exam
Jan 4, 2018
Examination started
Search/Exam
Nov 16, 2015
Nov 12, 2015
Nov 6, 2015
Sep 14, 2015
(Electronic) Receipt
Search/Exam
Sep 14, 2015
Priority search results
Search/Exam
Sep 14, 2015
Sep 9, 2015
Jul 22, 2015
Jul 22, 2015
Amendments received before examination
Search/Exam
Jul 17, 2015
Jul 17, 2015
Amendments received before examination
Search/Exam
Mar 30, 2015
Communication to designated inventor
Search/Exam
Mar 30, 2015
Communication to designated inventor
Search/Exam
Mar 20, 2015
Letter concerning the inventor
Search/Exam
Mar 11, 2015
Feb 18, 2015
Feb 18, 2015
Feb 12, 2015
Letter which had not been notified
Search/Exam
Feb 12, 2015
Letter which had not been notified
Search/Exam
Jan 23, 2015
Jan 21, 2015
Communication to designated inventor
Search/Exam
Jan 21, 2015
Communication to designated inventor
Search/Exam
Jan 21, 2015
Communication to designated inventor
Search/Exam
Jan 21, 2015
Communication to designated inventor
Search/Exam
Jan 21, 2015
Communication to designated inventor
Search/Exam
Jan 21, 2015
Communication to designated inventor
Search/Exam
Jan 21, 2015
Communication to designated inventor
Search/Exam
Jan 21, 2015
Communication to designated inventor
Search/Exam
Dec 16, 2014
Nov 4, 2014
(Electronic) Receipt
Search/Exam
Nov 4, 2014
Request for entry into the European phase
Search/Exam
Oct 10, 2014
Information on entry into European phase
Search/Exam
Jan 2, 2014
Dec 5, 2013
Copy of the international search report
Search/Exam
Dec 5, 2013
Copy of the international search report
Search/Exam
Dec 5, 2013
Published international application - A1
Search/Exam
Aug 22, 2013
Aug 22, 2013
Aug 22, 2013
May 15, 2013
(Electronic) Receipt
PCTRO
May 15, 2013
Abstract
PCTRO
May 15, 2013
Claims
PCTRO
May 15, 2013
Description
PCTRO
May 15, 2013
Drawings
PCTRO