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The patent EP3052131 was granted to Mayo Foundation FOR Medical Education And Research on Dec 5, 2018. The application was filed on Sep 3, 2014 under application number EP14850189A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| PFIZER | Sep 5, 2019 | MASCHIO & SOAMES | ADMISSIBLE |
| MERCK PATENT | Sep 4, 2019 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4816567 |
| DESCRIPTION | US4935496 |
| DESCRIPTION | US5502167 |
| DESCRIPTION | US5530101 |
| DESCRIPTION | US5558864 |
| DESCRIPTION | US5565332 |
| DESCRIPTION | US5585089 |
| DESCRIPTION | US5639641 |
| DESCRIPTION | US5693493 |
| DESCRIPTION | US5693761 |
| DESCRIPTION | US5693762 |
| DESCRIPTION | US5698417 |
| DESCRIPTION | US5705154 |
| DESCRIPTION | US5733743 |
| DESCRIPTION | US5750078 |
| DESCRIPTION | US5770403 |
| DESCRIPTION | WO2013090552 |
| INTERNATIONAL-SEARCH-REPORT | US2009304711 |
| INTERNATIONAL-SEARCH-REPORT | US2010285039 |
| OPPOSITION | WO2014144666 |
| SEARCH | WO2013090552 |
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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Means of redress
OPPO
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Dec 17, 2018
Nov 8, 2018
Decision to grant a European patent
Search/Exam
Oct 25, 2018
(Electronic) Receipt
Search/Exam
Oct 25, 2018
Filing of the translations of the claims
Search/Exam
Oct 25, 2018
French translation of claims
Search/Exam
Oct 25, 2018
German translation of the claims
Search/Exam
Oct 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2018
Jun 28, 2018
Jun 28, 2018
Intention to grant (signatures)
Search/Exam
Jun 28, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 28, 2018
Text intended for grant (sequence listing)
Search/Exam
Jun 28, 2018
Apr 24, 2018
(Electronic) Receipt
Search/Exam
Apr 24, 2018
Amended claims with annotations
Search/Exam
Apr 24, 2018
Amended description with annotations
Search/Exam
Apr 24, 2018
Claims
Search/Exam
Apr 24, 2018
Description
Search/Exam
Apr 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2018
Mar 9, 2018
Mar 5, 2018
(Electronic) Receipt
Search/Exam
Mar 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2018
Oct 26, 2017
Annex to the communication
Search/Exam
Oct 26, 2017
Communication from the Examining Division
Search/Exam
Oct 4, 2017
(Electronic) Receipt
Search/Exam
Oct 4, 2017
Amended claims with annotations
Search/Exam
Oct 4, 2017
Claims
Search/Exam
Oct 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 4, 2017
Oct 4, 2017
Oct 4, 2017
Aug 7, 2017
Jul 31, 2017
(Electronic) Receipt
Search/Exam
Jul 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2017
May 4, 2017
Apr 18, 2017
Mar 24, 2017
Annex to the communication
Search/Exam
Mar 24, 2017
Communication from the Examining Division
Search/Exam
Feb 27, 2017
Feb 27, 2017
Information on Search Strategy
Search/Exam
Feb 27, 2017
Supplementary European search report
Search/Exam
Jul 13, 2016
May 13, 2016
May 10, 2016
Communication to designated inventor
Search/Exam
May 10, 2016
Communication to designated inventor
Search/Exam
May 10, 2016
Communication to designated inventor
Search/Exam
May 10, 2016
Communication to designated inventor
Search/Exam
May 10, 2016
Communication to designated inventor
Search/Exam
Apr 26, 2016
(Electronic) Receipt
Search/Exam
Apr 26, 2016
Apr 26, 2016
Amended claims with annotations
Search/Exam
Apr 26, 2016
Converted Sequence Listing
Search/Exam
Apr 26, 2016
Request for entry into the European phase
Search/Exam
Apr 19, 2016
Apr 11, 2016
Notification of the recording of a change
Search/Exam
Feb 12, 2016
Information on entry into European phase
Search/Exam
Apr 28, 2015
Apr 9, 2015
Converted Sequence Listing
Search/Exam
Apr 9, 2015
Copy of the international search report
Search/Exam
Apr 9, 2015
Published international application - A1
Search/Exam