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The patent EP2992115 was granted to California Institute OF Technology on Mar 12, 2025. The application was filed on Apr 30, 2014 under application number EP14795452A. 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 |
|---|---|---|---|
| KONIG SZYNKA TILMANN VON RENESSE | Dec 4, 2020 | KONIG SZYNKA TILMANN VON RENESSE PATENTANWALTE PARTNERSCHAFT MBB DUSSELDORF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2012142014 |
| INTERNATIONAL-SEARCH-REPORT | US2010221708 |
| INTERNATIONAL-SEARCH-REPORT | US2012142014 |
| OPPOSITION | EP0611828 |
| OPPOSITION | US7189509 |
| OPPOSITION | WO03083440 |
| OPPOSITION | WO2007001986 |
| OPPOSITION | WO2011038403 |
| OPPOSITION | WO2011048184 |
| OPPOSITION | WO2011112634 |
| OPPOSITION | WO2013096851 |
| OPPOSITION | WO2014182528 |
| SEARCH | WO03102239 |
| SEARCH | WO2010148039 |
| SEARCH | WO2011112634 |
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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Feb 13, 2025
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Refund of fees
Appeal
Jun 14, 2024
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Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2024
Submission concerning representation
Search/Exam
Jun 12, 2024
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Means of redress
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Decision to grant a European patent
Search/Exam
Jan 20, 2020
(Electronic) Receipt
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Jan 20, 2020
Document concerning representation
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Filing of the translations of the claims
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Jan 20, 2020
French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Nov 22, 2019
Submission concerning representation
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Aug 7, 2019
Amended claims with annotations
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Aug 7, 2019
Claims
Search/Exam
Aug 7, 2019
Letter accompanying subsequently filed items
Search/Exam
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Apr 10, 2019
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Intention to grant (signatures)
Search/Exam
Apr 10, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 10, 2019
Dec 17, 2018
(Electronic) Receipt
Search/Exam
Dec 17, 2018
Amended description with annotations
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Dec 17, 2018
Description
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Dec 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 17, 2018
Oct 24, 2018
Annex to the communication
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Oct 24, 2018
Communication from the Examining Division
Search/Exam
Aug 7, 2018
(Electronic) Receipt
Search/Exam
Aug 7, 2018
Amended claims with annotations
Search/Exam
Aug 7, 2018
Claims
Search/Exam
Aug 7, 2018
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Feb 2, 2018
Communication from the Examining Division
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Jan 19, 2018
Examination started
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Oct 24, 2017
Submission concerning representation
Search/Exam
Sep 19, 2017
Sep 7, 2017
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(Electronic) Receipt
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Jun 8, 2017
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Amended claims with annotations
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Jun 8, 2017
Amendments received before examination
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Jun 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2016
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European search opinion
Search/Exam
Nov 11, 2016
Information on Search Strategy
Search/Exam
Nov 11, 2016
Supplementary European search report
Search/Exam
Oct 28, 2016
Search started
Search/Exam
Mar 2, 2016
Feb 18, 2016
Letter which had not been notified
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Feb 10, 2016
Dec 8, 2015
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Dec 4, 2015
Communication to designated inventor
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Dec 4, 2015
Communication to designated inventor
Search/Exam
Nov 16, 2015
Sep 18, 2015
Information on entry into European phase
Search/Exam
Sep 16, 2015
(Electronic) Receipt
Search/Exam
Sep 16, 2015
Sep 16, 2015
Amended claims with annotations
Search/Exam
Sep 16, 2015
Request for entry into the European phase
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Jan 22, 2015
Copy of the international search report
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Jan 22, 2015
Dec 2, 2014
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Nov 13, 2014
Published international application - A2
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Nov 13, 2014
Published international application - A2
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Nov 13, 2014
Published international application - A2
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