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The patent EP2059771 was granted to Endress Hauser Flowtec on Mar 1, 2017. The application was filed on Aug 31, 2007 under application number EP07803122A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| ABB SCHWEIZ | Nov 30, 2017 | MARKS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102005003332 |
| INTERNATIONAL-SEARCH-REPORT | DE10340056 |
| INTERNATIONAL-SEARCH-REPORT | DE2332594 |
| INTERNATIONAL-SEARCH-REPORT | DE612609 |
| INTERNATIONAL-SEARCH-REPORT | EP1519160 |
| INTERNATIONAL-SEARCH-REPORT | US4098118 |
| INTERNATIONAL-SEARCH-REPORT | US4253340 |
| INTERNATIONAL-SEARCH-REPORT | US4422339 |
| OPPOSITION | DE102004057695 |
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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Means of redress
OPPO
Dec 18, 2019
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Authorisation
OPPO
Feb 12, 2019
Feb 6, 2019
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Aug 14, 2018
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Jul 31, 2018
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Apr 23, 2018
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Claims
OPPO
Apr 16, 2018
Claims
OPPO
Apr 16, 2018
Claims
OPPO
Apr 16, 2018
Claims
OPPO
Apr 16, 2018
Apr 16, 2018
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Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Claims
OPPO
Apr 12, 2018
Claims
OPPO
Apr 12, 2018
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Feb 1, 2018
Feb 1, 2018
Jan 18, 2018
Dec 18, 2017
Dec 18, 2017
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Dec 4, 2017
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Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Mar 20, 2017
Mar 8, 2017
(Electronic) Receipt
Search/Exam
Mar 8, 2017
Amended description with annotations
Search/Exam
Mar 8, 2017
Description
Search/Exam
Mar 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 8, 2017
Mar 1, 2017
Feb 2, 2017
Decision to grant a European patent
Search/Exam
Jan 13, 2017
(Electronic) Receipt
Search/Exam
Jan 13, 2017
English translation of the claims
Search/Exam
Jan 13, 2017
Filing of the translations of the claims
Search/Exam
Jan 13, 2017
French translation of claims
Search/Exam
Jan 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2016
Oct 12, 2016
Oct 12, 2016
Intention to grant (signatures)
Search/Exam
Oct 12, 2016
Text intended for grant (clean copy)
Search/Exam
Oct 12, 2016
May 31, 2016
(Electronic) Receipt
Search/Exam
May 31, 2016
Amended claims with annotations
Search/Exam
May 31, 2016
Claims
Search/Exam
May 31, 2016
Letter accompanying subsequently filed items
Search/Exam
May 31, 2016
May 20, 2016
Annex to the communication
Search/Exam
May 20, 2016
May 20, 2016
Jan 27, 2016
Amended claims with annotations
Search/Exam
Jan 27, 2016
Claims
Search/Exam
Jan 27, 2016
Description
Search/Exam
Jan 27, 2016
Jan 18, 2016
Amended claims with annotations
Search/Exam
Jan 18, 2016
Claims
Search/Exam
Jan 18, 2016
Description
Search/Exam
Jan 18, 2016
Dec 5, 2015
Dec 3, 2015
Nov 30, 2015
Jul 29, 2015
Annex to the communication
Search/Exam
Jul 29, 2015
Communication from the Examining Division
Search/Exam
Jul 16, 2015
Examination started
Search/Exam
Jul 2, 2009
Letter concerning the priority
Search/Exam
Jul 2, 2009
Priority document
Search/Exam
Jun 2, 2009
Invitation to file priority document
Search/Exam
May 22, 2009
Reply by International Bureau
Search/Exam
May 12, 2009
Enquiry with the International Bureau
Search/Exam
Apr 22, 2009
Apr 16, 2009
Mar 26, 2009
Feb 5, 2009
(Electronic) Receipt
Search/Exam
Feb 5, 2009
Request for entry into the European phase
Search/Exam
Jan 16, 2009
Information on entry into European phase
Search/Exam
Mar 13, 2008
Copy of the international search report
Search/Exam
Mar 13, 2008
Published international application - A1
Search/Exam
Aug 31, 2007
Abstract
PCTRO
Aug 31, 2007
Annex
PCTRO
Aug 31, 2007
Claims
PCTRO
Aug 31, 2007
Description
PCTRO
Aug 31, 2007
Drawings
PCTRO