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The patent EP3012102 was granted to Ewald Drken on Nov 7, 2018. The application was filed on Jul 12, 2001 under application number EP15003132A. 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 |
|---|---|---|---|
| BMI STEILDACH | Aug 5, 2019 | GRUNDMANN | ADMISSIBLE |
| RKW | Dec 3, 2018 | BUSCH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DD297744 |
| OPPOSITION | DE19815045 |
| OPPOSITION | DE19920627 |
| OPPOSITION | DE29623295U |
| OPPOSITION | DE3882187T |
| OPPOSITION | DE69716744T |
| OPPOSITION | DE7727560 |
| OPPOSITION | EP0155595 |
| OPPOSITION | EP0492942 |
| OPPOSITION | EP0607031 |
| OPPOSITION | EP0668321 |
| OPPOSITION | EP0982431 |
| OPPOSITION | GB1044028 |
| OPPOSITION | GB1044502 |
| OPPOSITION | GB1044503 |
| OPPOSITION | JPH01139257 |
| OPPOSITION | JPH06107507 |
| OPPOSITION | JPH07123875 |
| OPPOSITION | US3896585 |
| OPPOSITION | US4157992 |
| OPPOSITION | US5732745 |
| OPPOSITION | US5854327 |
| OPPOSITION | US5859083 |
| OPPOSITION | US6028019 |
| OPPOSITION | WO0069965 |
| OPPOSITION | WO9308232 |
| OPPOSITION | WO9805502 |
| OPPOSITION | WO9961529 |
| SEARCH | EP0155595 |
| SEARCH | EP0607031 |
| SEARCH | EP0668321 |
| SEARCH | JPH01139257 |
| SEARCH | JPH06107507 |
| SEARCH | JPH07123875 |
| SEARCH | US3896585 |
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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Decision to grant a European patent
Search/Exam
Sep 26, 2018
(Electronic) Receipt
Search/Exam
Sep 26, 2018
English translation of the claims
Search/Exam
Sep 26, 2018
Filing of the translations of the claims
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Sep 26, 2018
French translation of claims
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Sep 26, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Aug 30, 2018
Text intended for grant (clean copy)
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Aug 30, 2018
Aug 1, 2018
(Electronic) Receipt
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Aug 1, 2018
Amended claims with annotations
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Aug 1, 2018
Claims
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Aug 1, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
Jun 27, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 27, 2018
Mar 19, 2018
(Electronic) Receipt
Search/Exam
Mar 19, 2018
Amended description with annotations
Search/Exam
Mar 19, 2018
Description
Search/Exam
Mar 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2018
Mar 2, 2018
Annex to the communication
Search/Exam
Mar 2, 2018
Communication from the Examining Division
Search/Exam
Nov 27, 2017
Amended claims with annotations
Search/Exam
Nov 27, 2017
Claims
Search/Exam
Nov 27, 2017
Nov 24, 2017
Amended claims with annotations
Search/Exam
Nov 24, 2017
Claims
Search/Exam
Nov 24, 2017
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Annex to the communication
Search/Exam
Oct 10, 2017
Consultation by telephone/in person
Search/Exam
Oct 10, 2017
Sep 21, 2017
Annex to the communication
Search/Exam
Sep 21, 2017
Communication from the Examining Division
Search/Exam
Aug 22, 2017
Amended claims with annotations
Search/Exam
Aug 22, 2017
Claims
Search/Exam
Aug 22, 2017
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Amended claims with annotations
Search/Exam
Aug 21, 2017
Claims
Search/Exam
Aug 21, 2017
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Payment of fees and costs
Search/Exam
Jul 20, 2017
Payment of fees and costs
Search/Exam
Jun 30, 2017
Annex to the communication
Search/Exam
Jun 30, 2017
Communication from the Examining Division
Search/Exam
Apr 19, 2017
Amended claims with annotations
Search/Exam
Apr 19, 2017
Amended claims with annotations
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Amended claims with annotations
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Amended description with annotations
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Claims
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Apr 19, 2017
Claims
Search/Exam
Apr 19, 2017
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Apr 19, 2017
Description
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Apr 19, 2017
Apr 18, 2017
Amended claims with annotations
Search/Exam
Apr 18, 2017
Amended claims with annotations
Search/Exam
Apr 18, 2017
Amended claims with annotations
Search/Exam
Apr 18, 2017
Amended description with annotations
Search/Exam
Apr 18, 2017
Claims
Search/Exam
Apr 18, 2017
Claims
Search/Exam
Apr 18, 2017
Claims
Search/Exam
Apr 18, 2017
Description
Search/Exam
Apr 18, 2017
Mar 6, 2017
Annex to the communication
Search/Exam
Mar 6, 2017
Communication from the Examining Division
Search/Exam
Feb 28, 2017
Examination started
Search/Exam
Feb 6, 2017
Decision to allow further processing
Search/Exam
Jan 23, 2017
Jan 23, 2017
Amendments received before examination
Search/Exam
Jan 23, 2017
Request for further processing
Search/Exam
Jan 20, 2017
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Amendments received before examination
Search/Exam
Jan 20, 2017
Payment of fees and costs
Search/Exam
Jan 20, 2017
Payment of fees and costs
Search/Exam
Jan 20, 2017
Request for further processing
Search/Exam
Dec 9, 2016
Dec 9, 2016
Dec 6, 2016
Dec 5, 2016
(Electronic) Receipt
Search/Exam
Dec 5, 2016
Citation filed by a third party
Search/Exam
Dec 5, 2016
Citation filed by a third party
Search/Exam
Dec 5, 2016
Citation filed by a third party
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Dec 5, 2016
Citation filed by a third party
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Dec 5, 2016
Citation filed by a third party
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Dec 5, 2016
Citation filed by a third party
Search/Exam
Dec 5, 2016
Citation filed by a third party
Search/Exam
Dec 5, 2016
Citation filed by a third party
Search/Exam
Dec 5, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2016
Observations by third parties
Search/Exam
Jul 21, 2016
Payment of fees and costs
Search/Exam
Jul 21, 2016
Payment of fees and costs
Search/Exam
May 3, 2016
Letter concerning fees and payments
Search/Exam
May 3, 2016
Payment of fees and costs
Search/Exam
May 3, 2016
Payment of fees and costs
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May 2, 2016
Mar 31, 2016
Notification of forthcoming publication
Search/Exam
Mar 16, 2016
Refund of fees
Search/Exam
Mar 8, 2016
Mar 8, 2016
European search opinion
Search/Exam
Mar 8, 2016
European search report
Search/Exam
Mar 8, 2016
Information on Search Strategy
Search/Exam
Feb 29, 2016
Payment of fees and costs
Search/Exam
Feb 29, 2016
Payment of fees and costs
Search/Exam
Feb 29, 2016
Payment of fees and costs
Search/Exam
Feb 29, 2016
Payment of fees and costs
Search/Exam
Feb 26, 2016
Search started
Search/Exam
Jan 22, 2016
Communication to designated inventor
Search/Exam
Jan 22, 2016
Communication to designated inventor
Search/Exam
Jan 22, 2016
Communication to designated inventor
Search/Exam
Nov 30, 2015
Payment of fees and costs
Search/Exam
Nov 30, 2015
Payment of fees and costs
Search/Exam
Nov 2, 2015
Abstract
Search/Exam
Nov 2, 2015
Claims
Search/Exam
Nov 2, 2015
Description
Search/Exam
Nov 2, 2015
Designation of inventor
Search/Exam
Nov 2, 2015
Request for grant of a European patent
Search/Exam
Jul 14, 2001
Priority document
Search/Exam