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The patent EP3049073 was granted to The Regents OF The University OF Michigan on Nov 4, 2020. The application was filed on Sep 24, 2014 under application number EP14847319A. 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 |
|---|---|---|---|
| COLGATE PALMOLIVE | Aug 3, 2021 | SONNENHAUSER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4642104 |
| INTERNATIONAL-SEARCH-REPORT | US2003170184 |
| INTERNATIONAL-SEARCH-REPORT | US2005207995 |
| INTERNATIONAL-SEARCH-REPORT | US2011318282 |
| INTERNATIONAL-SEARCH-REPORT | WO2013063695 |
| INTERNATIONAL-SEARCH-REPORT | WO2013089735 |
| OPPOSITION | US2012141588 |
| OPPOSITION | WO2011162756 |
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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Reply to appeal
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Non-scannable object
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(Electronic) Receipt
Search/Exam
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Letter accompanying subsequently filed items
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Decision to grant a European patent
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Sep 25, 2020
(Electronic) Receipt
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Sep 25, 2020
Filing of the translations of the claims
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Sep 25, 2020
French translation of claims
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German translation of the claims
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Sep 23, 2020
Payment submission rejected
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Intention to grant (signatures)
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May 27, 2020
Text intended for grant (clean copy)
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May 27, 2020
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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May 8, 2019
(Electronic) Receipt
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May 8, 2019
Amended claims with annotations
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Claims
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May 8, 2019
Letter accompanying subsequently filed items
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Mar 22, 2019
Annex to the communication
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Mar 22, 2019
Communication from the Examining Division
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Oct 15, 2018
Refund of fees
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Sep 6, 2018
(Electronic) Receipt
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Sep 6, 2018
Amended claims with annotations
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Amended description with annotations
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Claims
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
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May 9, 2018
Communication from the Examining Division
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Apr 27, 2018
Examination started
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Aug 30, 2017
(Electronic) Receipt
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Aug 30, 2017
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Amended claims with annotations
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Aug 30, 2017
Amendments received before examination
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Aug 30, 2017
Letter accompanying subsequently filed items
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Mar 3, 2017
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European search opinion
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Feb 15, 2017
Information on Search Strategy
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Feb 15, 2017
Supplementary European search report
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Jan 31, 2017
Search started
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Jul 6, 2016
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(Electronic) Receipt
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Amended claims with annotations
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Jun 13, 2016
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Jun 13, 2016
Letter accompanying subsequently filed items
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May 18, 2016
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Submission concerning representation
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Submission concerning representation
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May 9, 2016
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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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Apr 21, 2016
(Electronic) Receipt
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Apr 21, 2016
Request for entry into the European phase
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Apr 13, 2016
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Information on entry into European phase
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Apr 21, 2015
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Apr 2, 2015
Copy of the international search report
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Apr 2, 2015
Published international application - A1
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