The weekly litigation news digest is live. Subscribe now
The patent EP2676779 was granted to Mitsubishi Heavy Industries Machinery Technology on Feb 24, 2021. The application was filed on May 2, 2011 under application number EP11858598A. 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 |
|---|---|---|---|
| HARBURG FREUDENBERGER MASCHINENBAU | Jan 26, 2018 | GROSSE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP3474725B |
| INTERNATIONAL-SEARCH-REPORT | DE3426442 |
| INTERNATIONAL-SEARCH-REPORT | EP0272338 |
| INTERNATIONAL-SEARCH-REPORT | JPH01262934 |
| INTERNATIONAL-SEARCH-REPORT | JPH0316628 |
| INTERNATIONAL-SEARCH-REPORT | JPH0847922 |
| INTERNATIONAL-SEARCH-REPORT | JPH10211616 |
| OPPOSITION | DE3426442 |
| OPPOSITION | EP0272338 |
| SEARCH | DE3426442 |
| SEARCH | EP0272338 |
| SEARCH | JP3474725B |
| SEARCH | JPH01262934 |
| SEARCH | US3202062 |
| SEARCH | US3314336 |
| SEARCH | US4318572 |
| SEARCH | US4877328 |
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
Jan 28, 2021
Jan 28, 2021
Jan 22, 2021
Jan 20, 2021
Jan 18, 2021
Jan 18, 2021
Jan 15, 2021
Jan 13, 2021
Jan 13, 2021
Jan 13, 2021
Jan 13, 2021
Jan 13, 2021
Oct 8, 2020
Oct 8, 2020
Oct 5, 2020
Jul 7, 2020
Jul 7, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
General enquiry
OPPO
Jun 23, 2020
Jun 23, 2020
May 8, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
Means of redress
OPPO
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
Dec 2, 2019
Nov 4, 2019
Oct 25, 2019
Oct 25, 2019
Oct 25, 2019
Oct 25, 2019
Oct 11, 2019
Oct 10, 2019
Oct 9, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Description
OPPO
Oct 1, 2019
Oct 1, 2019
Sep 30, 2019
Sep 16, 2019
Sep 10, 2019
Sep 10, 2019
Sep 10, 2019
Aug 29, 2019
Aug 28, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
May 17, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 2, 2019
Apr 30, 2019
Apr 29, 2019
Apr 26, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 25, 2019
Apr 24, 2019
Apr 24, 2019
Feb 27, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Jan 28, 2019
Jan 28, 2019
Jan 28, 2019
Jan 28, 2019
Jan 28, 2019
Jan 25, 2019
Jan 24, 2019
Jan 24, 2019
Jan 24, 2019
Jan 24, 2019
Jun 29, 2018
Jun 22, 2018
Jun 22, 2018
Jun 22, 2018
Feb 14, 2018
Feb 14, 2018
Feb 1, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Apr 26, 2017
Mar 30, 2017
Decision to grant a European patent
Search/Exam
Mar 10, 2017
Filing of the translations of the claims
Search/Exam
Mar 10, 2017
French translation of claims
Search/Exam
Mar 10, 2017
German translation of the claims
Search/Exam
Mar 10, 2017
Payment of fees and costs
Search/Exam
Dec 2, 2016
Dec 2, 2016
Dec 2, 2016
Intention to grant (signatures)
Search/Exam
Dec 2, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 2, 2016
Sep 13, 2016
Sep 5, 2016
Amended claims with annotations
Search/Exam
Sep 5, 2016
Amended claims with annotations
Search/Exam
Sep 5, 2016
Amended description with annotations
Search/Exam
Sep 5, 2016
Amended description with annotations
Search/Exam
Sep 5, 2016
Claims
Search/Exam
Sep 5, 2016
Claims
Search/Exam
Sep 5, 2016
Claims
Search/Exam
Sep 5, 2016
Description
Search/Exam
Sep 5, 2016
Letter dealing with oral proceedings
Search/Exam
Sep 5, 2016
Aug 25, 2016
Annex to the communication
Search/Exam
Aug 25, 2016
Consultation by telephone/in person
Search/Exam
Aug 25, 2016
Aug 18, 2016
Amended claims with annotations
Search/Exam
Aug 18, 2016
Amended claims with annotations
Search/Exam
Aug 18, 2016
Claims
Search/Exam
Aug 18, 2016
Claims
Search/Exam
Aug 18, 2016
Claims
Search/Exam
Aug 18, 2016
Aug 17, 2016
Amended claims with annotations
Search/Exam
Aug 17, 2016
Amended claims with annotations
Search/Exam
Aug 17, 2016
Amended claims with annotations
Search/Exam
Aug 17, 2016
Claims
Search/Exam
Aug 17, 2016
Claims
Search/Exam
Aug 17, 2016
Claims
Search/Exam
Aug 17, 2016
Mar 15, 2016
Advice of delivery
Search/Exam
Mar 10, 2016
Acknowledgement of a document
Search/Exam
Mar 10, 2016
Annex to the communication
Search/Exam
Mar 10, 2016
Preparation for oral proceedings
Search/Exam
Mar 10, 2016
Summons to attend oral proceedings
Search/Exam
Dec 28, 2015
Amended claims with annotations
Search/Exam
Dec 28, 2015
Claims
Search/Exam
Dec 28, 2015
Description
Search/Exam
Dec 28, 2015
Nov 27, 2015
Annex to the communication
Search/Exam
Nov 27, 2015
Oct 15, 2015
Amended claims with annotations
Search/Exam
Oct 15, 2015
Claims
Search/Exam
Oct 15, 2015
Oct 12, 2015
Annex to the communication
Search/Exam
Oct 12, 2015
Consultation by telephone/in person
Search/Exam
Oct 12, 2015
Oct 9, 2015
Amended claims with annotations
Search/Exam
Oct 9, 2015
Amended description with annotations
Search/Exam
Oct 9, 2015
Claims
Search/Exam
Oct 9, 2015
Description
Search/Exam
Oct 9, 2015
Jun 1, 2015
Annex to the communication
Search/Exam
Jun 1, 2015
Communication from the Examining Division
Search/Exam
Feb 3, 2015
Feb 3, 2015
Amended claims with annotations
Search/Exam
Feb 3, 2015
Feb 3, 2015
Amended description with annotations
Search/Exam
Feb 3, 2015
Amendments received before examination
Search/Exam
Feb 3, 2015
Maintenance of the application
Search/Exam
Aug 12, 2014
Jul 25, 2014
Jul 25, 2014
European search opinion
Search/Exam
Jul 25, 2014
Supplementary European search report
Search/Exam
Jan 24, 2014
Dec 27, 2013
Matter concerning the application
Search/Exam
Nov 27, 2013
Notification of forthcoming publication
Search/Exam
Sep 24, 2013
Sep 20, 2013
Communication to designated inventor
Search/Exam
Sep 20, 2013
Communication to designated inventor
Search/Exam
Sep 20, 2013
Communication to designated inventor
Search/Exam
Sep 20, 2013
Communication to designated inventor
Search/Exam
Sep 20, 2013
Communication to designated inventor
Search/Exam
Sep 20, 2013
Communication to designated inventor
Search/Exam
Sep 20, 2013
Communication to designated inventor
Search/Exam
Sep 3, 2013
Sep 3, 2013
Jan 22, 2013
Annex
Search/Exam
Jan 22, 2013
Jan 22, 2013
Information regarding early processing
Search/Exam
Jan 22, 2013
Matter concerning the application
Search/Exam
Jan 3, 2013
Notification of the recording of a change
Search/Exam
Jan 3, 2013
Notification of the recording of a change
Search/Exam
Dec 7, 2012
(Electronic) Receipt
Search/Exam
Dec 7, 2012
Abstract
Search/Exam
Dec 7, 2012
Amendments received before examination
Search/Exam
Dec 7, 2012
Claims
Search/Exam
Dec 7, 2012
Description
Search/Exam
Dec 7, 2012
Drawings
Search/Exam
Dec 7, 2012
Request for entry into the European phase
Search/Exam
Sep 11, 2012
Aug 23, 2012
Copy of the international search report
Search/Exam
Aug 23, 2012
Aug 23, 2012
International publication pamphlet
Search/Exam