The weekly litigation news digest is live. Subscribe now
The patent EP2696974 was granted to DOW Technology Investments on Nov 14, 2018. The application was filed on Apr 3, 2012 under application number EP12716846A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SCIENTIFIC DESIGN | Aug 14, 2019 | HOEFER & PARTNER | - |
| SCIENTIFIC DESIGN | Aug 14, 2019 | HOEFER & PARTNER PATENTANWALTE MBB | - |
| SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ | Aug 13, 2019 | SHELL LEGAL SERVICES | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0352849 |
| INTERNATIONAL-SEARCH-REPORT | US2007225511 |
| INTERNATIONAL-SEARCH-REPORT | US5155242 |
| INTERNATIONAL-SEARCH-REPORT | US5698719 |
| INTERNATIONAL-SEARCH-REPORT | US5856534 |
| INTERNATIONAL-SEARCH-REPORT | WO2004002972 |
| INTERNATIONAL-SEARCH-REPORT | WO2008140714 |
| INTERNATIONAL-SEARCH-REPORT | WO2011079056 |
| OPPOSITION | CN1426835 |
| OPPOSITION | EP0352850 |
| OPPOSITION | US2004049061 |
| OPPOSITION | US2008281118 |
| OPPOSITION | US2009082584 |
| OPPOSITION | US4761394 |
| OPPOSITION | US4766105 |
| OPPOSITION | US4874879 |
| OPPOSITION | US5155242 |
| OPPOSITION | US5801259 |
| OPPOSITION | US6455713 |
| OPPOSITION | WO2004002971 |
| OPPOSITION | WO2008140714 |
| OPPOSITION | WO2008141027 |
| OPPOSITION | WO2008141032 |
| OPPOSITION | WO2011079056 |
| OPPOSITION | WO2011084600 |
| OPPOSITION | WO2012078615 |
| OPPOSITION | WO9505896 |
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
Sep 20, 2023
Refund of fees
Appeal
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 13, 2023
Aug 28, 2023
Aug 28, 2023
Aug 28, 2023
Aug 25, 2023
Aug 25, 2023
Aug 24, 2023
Aug 23, 2023
(Electronic) Receipt
Appeal
Aug 23, 2023
Aug 23, 2023
Withdrawal of an appeal
Appeal
Aug 10, 2023
Aug 10, 2023
Aug 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 5, 2023
Mar 28, 2023
Apr 12, 2022
Apr 12, 2022
Apr 6, 2022
(Electronic) Receipt
Appeal
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Reply to appeal
Appeal
Nov 26, 2021
Nov 26, 2021
Nov 23, 2021
(Electronic) Receipt
Appeal
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Nov 23, 2021
Claims
Appeal
Nov 23, 2021
Nov 23, 2021
Sep 16, 2021
Sep 16, 2021
Sep 16, 2021
Sep 9, 2021
(Electronic) Receipt
Appeal
Sep 9, 2021
Sep 9, 2021
Notice of appeal
Appeal
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Jul 20, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Means of redress
OPPO
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jun 2, 2021
Jun 1, 2021
Jun 1, 2021
May 26, 2021
May 26, 2021
May 26, 2021
Apr 23, 2021
Apr 23, 2021
Apr 13, 2021
Apr 13, 2021
Apr 13, 2021
Apr 13, 2021
Apr 13, 2021
Apr 8, 2021
Apr 8, 2021
Apr 8, 2021
Apr 6, 2021
Apr 6, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Mar 1, 2021
Mar 1, 2021
Mar 1, 2021
Nov 2, 2020
Oct 30, 2020
Oct 26, 2020
Oct 26, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 25, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 9, 2020
Sep 9, 2020
Sep 9, 2020
Sep 8, 2020
Sep 8, 2020
Sep 3, 2020
Sep 3, 2020
Sep 2, 2020
Sep 2, 2020
Sep 2, 2020
Aug 27, 2020
Aug 27, 2020
Aug 27, 2020
Jul 20, 2020
Jul 20, 2020
Jul 20, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 27, 2020
Mar 26, 2020
Mar 23, 2020
Mar 23, 2020
Mar 23, 2020
Mar 23, 2020
Mar 23, 2020
Mar 23, 2020
Mar 23, 2020
Mar 23, 2020
Mar 12, 2020
Mar 12, 2020
Mar 9, 2020
Mar 9, 2020
Mar 9, 2020
Mar 9, 2020
Mar 9, 2020
Mar 9, 2020
Mar 9, 2020
Mar 9, 2020
Mar 9, 2020
Jan 17, 2020
Jan 17, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 7, 2020
Jan 7, 2020
Jan 7, 2020
Aug 29, 2019
Aug 29, 2019
Aug 29, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Aug 13, 2019
Mar 28, 2019
Submission concerning representation
Search/Exam
Nov 26, 2018
Oct 18, 2018
Decision to grant a European patent
Search/Exam
Oct 1, 2018
(Electronic) Receipt
Search/Exam
Oct 1, 2018
French translation of claims
Search/Exam
Oct 1, 2018
German translation of the claims
Search/Exam
Oct 1, 2018
Letter accompanying subsequently filed items
Search/Exam
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
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Amended claims with annotations
Search/Exam
Apr 10, 2018
Amended description with annotations
Search/Exam
Apr 10, 2018
Claims
Search/Exam
Apr 10, 2018
Description
Search/Exam
Apr 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2018
Feb 14, 2018
Feb 5, 2018
(Electronic) Receipt
Search/Exam
Feb 5, 2018
Dec 13, 2017
Dec 8, 2017
Oct 5, 2017
Annex to the communication
Search/Exam
Oct 5, 2017
Communication from the Examining Division
Search/Exam
Feb 11, 2016
(Electronic) Receipt
Search/Exam
Feb 11, 2016
Amended claims with annotations
Search/Exam
Feb 11, 2016
Claims
Search/Exam
Feb 11, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 11, 2016
Dec 7, 2015
Annex to the communication
Search/Exam
Dec 7, 2015
Communication from the Examining Division
Search/Exam
Nov 30, 2015
Examination started
Search/Exam
May 22, 2014
(Electronic) Receipt
Search/Exam
May 22, 2014
Letter accompanying subsequently filed items
Search/Exam
May 22, 2014
Reply to Written Opinion prepared by the EPO
Search/Exam
Mar 17, 2014
Mar 7, 2014
Jan 22, 2014
Communication to designated inventor
Search/Exam
Jan 22, 2014
Jan 13, 2014
Letter which had not been notified
Search/Exam
Nov 22, 2013
Nov 20, 2013
Communication to designated inventor
Search/Exam
Nov 20, 2013
Communication to designated inventor
Search/Exam
Nov 20, 2013
Communication to designated inventor
Search/Exam
Nov 20, 2013
Communication to designated inventor
Search/Exam
Nov 20, 2013
Communication to designated inventor
Search/Exam
Oct 22, 2013
Oct 22, 2013
Oct 22, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
Oct 6, 2013
(Electronic) Receipt
Search/Exam
Oct 6, 2013
Request for entry into the European phase
Search/Exam
Aug 23, 2013
Information on entry into European phase
Search/Exam
Jul 3, 2013
Jul 3, 2013
Jul 3, 2013
Jul 3, 2013
Jul 3, 2013
Jul 3, 2013
Jul 3, 2013
Jul 3, 2013
Jul 3, 2013
Mar 20, 2013
Written opinion
PCT2
Mar 20, 2013
Mar 20, 2013
Mar 12, 2013
Notification of election of EPO
Search/Exam
Feb 27, 2013
Feb 15, 2013
Feb 15, 2013
Feb 8, 2013
Feb 8, 2013
Feb 8, 2013
PCT demand form
PCT2
Feb 8, 2013
Feb 8, 2013
Feb 8, 2013
Feb 8, 2013
Feb 7, 2013
Feb 7, 2013
Feb 7, 2013
PCT demand form
PCT2
Feb 7, 2013
Feb 7, 2013
Feb 7, 2013
Feb 7, 2013
Nov 7, 2012
Oct 18, 2012
Copy of the international search report
Search/Exam
Oct 18, 2012
Published international application - A1
Search/Exam
Jun 29, 2012
Jun 29, 2012
Jun 29, 2012
Apr 25, 2012
Abstract
PCTISA
Apr 25, 2012
Claims
PCTISA
Apr 25, 2012
Description
PCTISA
Apr 25, 2012
Drawings
PCTISA
Apr 25, 2012