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The patent EP1993702 was granted to Alfa Laval Corporate on Nov 2, 2022. The application was originally filed on Jan 12, 2007 under application number EP07701158A. 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 |
|---|---|---|---|
| REINZ DICHTUNGS | Dec 21, 2018 | PFENNING | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1745833 |
| INTERNATIONAL-SEARCH-REPORT | SE454954 |
| INTERNATIONAL-SEARCH-REPORT | SE505471 |
| INTERNATIONAL-SEARCH-REPORT | US2004040442 |
| INTERNATIONAL-SEARCH-REPORT | US6821319 |
| OPPOSITION | DE224425 |
| OPPOSITION | EP0340087 |
| OPPOSITION | EP0553022 |
| OPPOSITION | EP1745833 |
| OPPOSITION | FR2267153 |
| OPPOSITION | FR2305237 |
| OPPOSITION | FR2317967 |
| OPPOSITION | FR2378555 |
| OPPOSITION | FR2666031 |
| OPPOSITION | FR2714850 |
| OPPOSITION | GB186631 |
| OPPOSITION | JP2003080114 |
| OPPOSITION | JPH11141802 |
| OPPOSITION | SE454954 |
| OPPOSITION | SE505471 |
| OPPOSITION | US1006622 |
| OPPOSITION | US2004040442 |
| OPPOSITION | US2031734 |
| OPPOSITION | US3234716 |
| OPPOSITION | US5637217 |
| OPPOSITION | US5851396 |
| OPPOSITION | US6821319 |
| OPPOSITION | WO2004024297 |
| OPPOSITION | WO2005032723 |
| SEARCH | EP1745833 |
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.
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Description
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Apr 10, 2018
Mar 1, 2018
Decision to grant a European patent
Search/Exam
Feb 15, 2018
(Electronic) Receipt
Search/Exam
Feb 15, 2018
French translation of claims
Search/Exam
Feb 15, 2018
German translation of the claims
Search/Exam
Feb 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2018
New French translation of the claims
Search/Exam
Feb 15, 2018
New German translation of the claims
Search/Exam
Dec 14, 2017
Dec 14, 2017
Dec 11, 2017
(Electronic) Receipt
Search/Exam
Dec 11, 2017
Authorisation
Search/Exam
Dec 11, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2017
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Intention to grant (signatures)
Search/Exam
Dec 1, 2017
Text intended for grant
Search/Exam
Nov 30, 2017
Nov 23, 2017
(Electronic) Receipt
Search/Exam
Nov 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 23, 2017
Matter concerning the application
Search/Exam
Nov 15, 2017
Nov 15, 2017
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Intention to grant (signatures)
Search/Exam
Nov 15, 2017
Text intended for grant
Search/Exam
Sep 29, 2017
Examination started
Search/Exam
Jun 16, 2017
Apr 25, 2012
(Electronic) Receipt
Search/Exam
Apr 25, 2012
Apr 25, 2012
Apr 25, 2012
Apr 25, 2012
Amendments received before examination
Search/Exam
Apr 25, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2011
Oct 13, 2011
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European search opinion
Search/Exam
Oct 13, 2011
Supplementary European search report
Search/Exam
May 27, 2011
May 26, 2011
Submission concerning representation
Search/Exam
Oct 31, 2008
Annex
Search/Exam
Oct 31, 2008
Letter concerning the inventor
Search/Exam
Oct 29, 2008
Oct 28, 2008
Letter accompanying subsequently filed items
Search/Exam
Oct 28, 2008
Matter concerning the application
Search/Exam
Oct 28, 2008
Notification of the recording of a change
Search/Exam
Oct 15, 2008
Sep 11, 2008
(Electronic) Receipt
Search/Exam
Sep 11, 2008
Sep 11, 2008
Annex
Search/Exam
Sep 11, 2008
Request for entry into the European phase
Search/Exam
Sep 2, 2008
Jun 27, 2008
Information on entry into European phase
Search/Exam
Nov 14, 2007
Notification of the recording of a change
Search/Exam
Sep 12, 2007
Aug 23, 2007
Copy of the international search report
Search/Exam
Aug 23, 2007
Published international application - A1
Search/Exam