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The patent EP3066188 was granted to UTS Biogastechnik on May 22, 2024. The application was filed on Nov 7, 2014 under application number EP14802828A. 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 |
|---|---|---|---|
| ERICH STALLKAMP ESTA | Jun 29, 2018 | SIEKMANN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | KR100970137B |
| DESCRIPTION | US2012039721 |
| EXAMINATION | EP0771586 |
| INTERNATIONAL-SEARCH-REPORT | DE2624991 |
| INTERNATIONAL-SEARCH-REPORT | EP0469302 |
| INTERNATIONAL-SEARCH-REPORT | EP0711586 |
| INTERNATIONAL-SEARCH-REPORT | EP1876229 |
| INTERNATIONAL-SEARCH-REPORT | US2006092762 |
| INTERNATIONAL-SEARCH-REPORT | US2012039721 |
| INTERNATIONAL-SEARCH-REPORT | US2794628 |
| INTERNATIONAL-SEARCH-REPORT | US6334705 |
| INTERNATIONAL-SEARCH-REPORT | US7473025 |
| OPPOSITION | DE2624991 |
| OPPOSITION | EP0469302 |
| OPPOSITION | EP0771586 |
| OPPOSITION | EP1876229 |
| OPPOSITION | KR100970137B |
| OPPOSITION | US2006092762 |
| OPPOSITION | US2012039721 |
| OPPOSITION | US2794628 |
| OPPOSITION | US6334705 |
| OPPOSITION | US7473025 |
| OTHER | DE2624991 |
| OTHER | KR0097013B |
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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OPPO
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OPPO
May 9, 2023
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Advice of delivery
Appeal
Feb 21, 2023
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Advice of delivery
Appeal
Jan 23, 2023
Refund of fees
Search/Exam
Jan 19, 2023
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Advice of delivery
Appeal
Oct 10, 2022
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Advice of delivery
Appeal
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Appeal
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(Electronic) Receipt
Appeal
Jun 4, 2021
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(Electronic) Receipt
Appeal
May 20, 2021
May 20, 2021
Jan 28, 2021
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Reply to appeal
Appeal
Jan 21, 2021
Reply to appeal
Appeal
Dec 3, 2020
Nov 26, 2020
(Electronic) Receipt
Appeal
Nov 26, 2020
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Notice of appeal
Appeal
Sep 14, 2020
Notice of appeal
Appeal
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OPPO
Jul 16, 2020
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General enquiry
OPPO
Jun 5, 2020
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OPPO
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OPPO
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OPPO
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OPPO
Nov 5, 2019
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OPPO
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May 9, 2018
Submission concerning representation
Search/Exam
May 9, 2018
Submission concerning representation
Search/Exam
Oct 19, 2017
Sep 14, 2017
Decision to grant a European patent
Search/Exam
Aug 14, 2017
English translation of the claims
Search/Exam
Aug 14, 2017
Filing of the translations of the claims
Search/Exam
Aug 14, 2017
French translation of claims
Search/Exam
Aug 14, 2017
Letter concerning fees and payments
Search/Exam
Aug 11, 2017
English translation of the claims
Search/Exam
Aug 11, 2017
Filing of the translations of the claims
Search/Exam
Aug 11, 2017
French translation of claims
Search/Exam
Aug 11, 2017
Letter concerning fees and payments
Search/Exam
May 4, 2017
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Intention to grant (signatures)
Search/Exam
May 4, 2017
Text intended for grant (clean copy)
Search/Exam
May 4, 2017
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Apr 26, 2017
Non-patent literature filed by a third party
Search/Exam
Apr 26, 2017
Observations by third parties
Search/Exam
Mar 29, 2017
Annex to the communication
Search/Exam
Mar 29, 2017
Consultation by telephone/in person
Search/Exam
Mar 29, 2017
Mar 24, 2017
(Electronic) Receipt
Search/Exam
Mar 24, 2017
Amended claims with annotations
Search/Exam
Mar 24, 2017
Amended claims with annotations
Search/Exam
Mar 24, 2017
Amended description with annotations
Search/Exam
Mar 24, 2017
Claims
Search/Exam
Mar 24, 2017
Description
Search/Exam
Mar 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2017
Mar 22, 2017
Annex to the communication
Search/Exam
Mar 22, 2017
Communication from the Examining Division
Search/Exam
Mar 17, 2017
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Mar 13, 2017
Observations by third parties
Search/Exam
Mar 10, 2017
Observations by third parties
Search/Exam
Mar 1, 2017
Examination started
Search/Exam
Feb 27, 2017
Annex
Search/Exam
Feb 27, 2017
Priority search results
Search/Exam
Feb 27, 2017
Feb 23, 2017
Annex
Search/Exam
Feb 23, 2017
Priority search results
Search/Exam
Feb 23, 2017
Feb 1, 2017
Dec 1, 2016
(Electronic) Receipt
Search/Exam
Dec 1, 2016
Dec 1, 2016
Amended claims with annotations
Search/Exam
Dec 1, 2016
Amendments received before examination
Search/Exam
Dec 1, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 18, 2016
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Submission concerning representation
Search/Exam
Jun 16, 2016
Jun 14, 2016
Communication to designated inventor
Search/Exam
May 24, 2016
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May 14, 2016
Annex
Search/Exam
May 14, 2016
Annex
Search/Exam
May 14, 2016
Annex
Search/Exam
May 14, 2016
Matter concerning the application
Search/Exam
May 14, 2016
Request for entry into the European phase
Search/Exam
May 11, 2016
Annex
Search/Exam
May 11, 2016
Annex
Search/Exam
May 11, 2016
Annex
Search/Exam
May 11, 2016
Request for entry into the European phase
Search/Exam
Mar 18, 2016
Information on entry into European phase
Search/Exam
Jun 1, 2015
May 14, 2015
Copy of the international search report
Search/Exam
May 14, 2015
Copy of the international search report
Search/Exam
May 14, 2015
Published international application - A1
Search/Exam
Feb 18, 2015
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Dec 16, 2014
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Dec 12, 2014
Nov 7, 2014
(Electronic) Receipt
PCTRO
Nov 7, 2014
Abstract
PCTRO
Nov 7, 2014
Claims
PCTRO
Nov 7, 2014
Description
PCTRO
Nov 7, 2014
Drawings
PCTRO