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The patent EP2752081 was granted to Watlow Electric Manufacturing on Mar 16, 2022. The application was filed on Aug 30, 2012 under application number EP12772556A. 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 |
|---|---|---|---|
| BALS & VOGEL PATENTANWALTE | Dec 5, 2019 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20060475534 |
| DESCRIPTION | US6073577 |
| DESCRIPTION | US7196295 |
| INTERNATIONAL-SEARCH-REPORT | EP1303168 |
| INTERNATIONAL-SEARCH-REPORT | EP2203028 |
| INTERNATIONAL-SEARCH-REPORT | US2011092072 |
| INTERNATIONAL-SEARCH-REPORT | US3752956 |
| OPPOSITION | DE69807918T |
| OPPOSITION | EP1303168 |
| OPPOSITION | EP2203028 |
| OPPOSITION | JP2010065662 |
| OPPOSITION | JPH11111823 |
| OPPOSITION | US2005109767 |
| OPPOSITION | US2009059461 |
| OPPOSITION | US2011092072 |
| OPPOSITION | US3752956 |
| OPPOSITION | US5714739 |
| OPPOSITION | US6392205 |
| OPPOSITION | WO2011107324 |
| OPPOSITION | WO2013033336 |
| OPPOSITION | WO2013033350 |
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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Decision to grant a European patent
Search/Exam
Jan 22, 2019
(Electronic) Receipt
Search/Exam
Jan 22, 2019
Filing of the translations of the claims
Search/Exam
Jan 22, 2019
French translation of claims
Search/Exam
Jan 22, 2019
German translation of the claims
Search/Exam
Jan 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2018
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Intention to grant (signatures)
Search/Exam
Nov 13, 2018
Text intended for grant (clean copy)
Search/Exam
Nov 13, 2018
Feb 26, 2018
(Electronic) Receipt
Search/Exam
Feb 26, 2018
Amended claims with annotations
Search/Exam
Feb 26, 2018
Amended description with annotations
Search/Exam
Feb 26, 2018
Claims
Search/Exam
Feb 26, 2018
Description
Search/Exam
Feb 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 26, 2018
Oct 27, 2017
Annex to the communication
Search/Exam
Oct 27, 2017
Communication from the Examining Division
Search/Exam
Oct 18, 2017
Examination started
Search/Exam
Jul 26, 2017
Nov 10, 2014
(Electronic) Receipt
Search/Exam
Nov 10, 2014
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Amended claims with annotations
Search/Exam
Nov 10, 2014
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Amended description with annotations
Search/Exam
Nov 10, 2014
Amendments received before examination
Search/Exam
Nov 10, 2014
Letter accompanying subsequently filed items
Search/Exam
Jun 12, 2014
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Apr 29, 2014
Communication to designated inventor
Search/Exam
Apr 29, 2014
Communication to designated inventor
Search/Exam
Mar 28, 2014
(Electronic) Receipt
Search/Exam
Mar 28, 2014
Annex
Search/Exam
Mar 28, 2014
Mar 28, 2014
Matter concerning the application
Search/Exam
Mar 28, 2014
Request for entry into the European phase
Search/Exam
Mar 4, 2014
Jan 10, 2014
Information on entry into European phase
Search/Exam
Mar 27, 2013
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Mar 7, 2013
Copy of the international search report
Search/Exam
Mar 7, 2013
Published international application - A1
Search/Exam
Dec 5, 2012
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Sep 20, 2012
Abstract
PCTISA
Sep 20, 2012
Claims
PCTISA
Sep 20, 2012
Description
PCTISA
Sep 20, 2012
Drawings
PCTISA