The weekly litigation news digest is live. Subscribe now
The patent EP2806926 was granted to Vapotherm on Dec 25, 2019. The application was filed on Jan 23, 2013 under application number EP13740914A. 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 |
|---|---|---|---|
| STAMFORD DEVICES | Feb 16, 2018 | OBRIEN | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | RU2432190 |
| INTERNATIONAL-SEARCH-REPORT | US2004237178 |
| INTERNATIONAL-SEARCH-REPORT | US2010258114 |
| OPPOSITION | EP1317941 |
| OPPOSITION | US2002053346 |
| OPPOSITION | US2004221846 |
| OPPOSITION | US2004237178 |
| OPPOSITION | US2005229926 |
| OPPOSITION | US2005229927 |
| OPPOSITION | US2005229928 |
| OPPOSITION | US2005229929 |
| OPPOSITION | US2009241948 |
| OPPOSITION | US2010089395 |
| OPPOSITION | US2010258114 |
| OPPOSITION | US2011073116 |
| OPPOSITION | US2011271962 |
| OPPOSITION | US4912105 |
| OPPOSITION | US4915105 |
| OPPOSITION | US5584285 |
| OPPOSITION | WO03035141 |
| OPPOSITION | WO2009078805 |
| OPPOSITION | WO2009149336 |
| OPPOSITION | WO2012020004 |
| OPPOSITION | WO8909565 |
| SEARCH | US2005229927 |
| SEARCH | US2005229928 |
| SEARCH | US2006078506 |
| SEARCH | US2010089395 |
| SEARCH | US2010258114 |
| SEARCH | US2011000487 |
| SEARCH | US5335656 |
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
Jul 2, 2021
Nov 28, 2019
Nov 22, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Nov 15, 2019
Sep 23, 2019
Sep 23, 2019
Sep 12, 2019
May 30, 2019
May 29, 2019
May 29, 2019
May 29, 2019
May 29, 2019
May 29, 2019
May 29, 2019
May 29, 2019
Means of redress
OPPO
May 7, 2019
May 7, 2019
May 6, 2019
May 3, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 29, 2019
Apr 26, 2019
Apr 5, 2019
Mar 29, 2019
Mar 29, 2019
Authorisation
OPPO
Mar 29, 2019
Mar 29, 2019
Mar 14, 2019
Mar 14, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Claims
OPPO
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Nov 6, 2018
Oct 24, 2018
Oct 23, 2018
Oct 23, 2018
Oct 23, 2018
Oct 23, 2018
Oct 23, 2018
Oct 23, 2018
Oct 23, 2018
Oct 18, 2018
Jul 16, 2018
Jul 10, 2018
Jul 10, 2018
Jul 10, 2018
Jul 10, 2018
Jul 10, 2018
Jul 10, 2018
Jul 10, 2018
Jul 10, 2018
Jul 10, 2018
Claims
OPPO
Jul 10, 2018
Drawings
OPPO
Jul 10, 2018
Jul 10, 2018
Apr 6, 2018
Mar 29, 2018
Mar 1, 2018
Mar 1, 2018
Feb 21, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Nov 16, 2017
Nov 14, 2017
Annexes in respect of a client data request
Search/Exam
Nov 10, 2017
Oct 24, 2017
Aug 21, 2017
Aug 16, 2017
Aug 10, 2017
(Electronic) Receipt
Search/Exam
Aug 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2017
Request for correction of the publication
Search/Exam
Jun 26, 2017
(Electronic) Receipt
Search/Exam
Jun 26, 2017
Authorisation
Search/Exam
Jun 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2017
Jun 9, 2017
May 18, 2017
Apr 21, 2017
Decision to grant a European patent
Search/Exam
Apr 10, 2017
(Electronic) Receipt
Search/Exam
Apr 10, 2017
Filing of the translations of the claims
Search/Exam
Apr 10, 2017
French translation of claims
Search/Exam
Apr 10, 2017
German translation of the claims
Search/Exam
Apr 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2016
Dec 7, 2016
Dec 7, 2016
Dec 7, 2016
Intention to grant (signatures)
Search/Exam
Dec 7, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 7, 2016
Nov 7, 2016
Examination started
Search/Exam
Aug 15, 2016
Mar 4, 2016
(Electronic) Receipt
Search/Exam
Mar 4, 2016
Mar 4, 2016
Mar 4, 2016
Amended claims with annotations
Search/Exam
Mar 4, 2016
Amended claims with annotations
Search/Exam
Mar 4, 2016
Amendments received before examination
Search/Exam
Mar 4, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2015
Oct 19, 2015
Aug 25, 2015
Aug 7, 2015
Aug 7, 2015
European search opinion
Search/Exam
Aug 7, 2015
Supplementary European search report
Search/Exam
Jul 29, 2015
Search started
Search/Exam
Mar 6, 2015
Nov 13, 2014
Nov 5, 2014
Oct 6, 2014
Letter which had not been notified
Search/Exam
Sep 18, 2014
Sep 16, 2014
Communication to designated inventor
Search/Exam
Sep 16, 2014
Communication to designated inventor
Search/Exam
Sep 16, 2014
Communication to designated inventor
Search/Exam
Aug 21, 2014
(Electronic) Receipt
Search/Exam
Aug 21, 2014
Aug 21, 2014
Amended claims with annotations
Search/Exam
Aug 21, 2014
Request for entry into the European phase
Search/Exam
Aug 13, 2014
Jun 6, 2014
Information on entry into European phase
Search/Exam
Aug 20, 2013
Aug 1, 2013
Copy of the international search report
Search/Exam
Aug 1, 2013
Published international application - A1
Search/Exam