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The patent EP3250681 was granted to The Trustees OF The University OF Pennsylvania on May 3, 2023. The application was filed on Oct 30, 2015 under application number EP15880617A. 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 |
|---|---|---|---|
| JAMES POOLE | Feb 5, 2024 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2014172584 |
| INTERNATIONAL-SEARCH-REPORT | US2009055944 |
| INTERNATIONAL-SEARCH-REPORT | US2011280878 |
| INTERNATIONAL-SEARCH-REPORT | US2014050709 |
| INTERNATIONAL-SEARCH-REPORT | WO2014011988 |
| OPPOSITION | WO2012138858 |
| OPPOSITION | WO2014172584 |
| OPPOSITION | WO2016061574 |
| OTHER | EP3207147 |
| OTHER | US6265138 |
| OTHER | WO2014172584 |
| OTHER | WO2016061574 |
| SEARCH | US2014219975 |
| SEARCH | WO2014165707 |
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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May 16, 2023
Apr 6, 2023
Decision to grant a European patent
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Mar 23, 2023
(Electronic) Receipt
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Mar 23, 2023
Filing of the translations of the claims
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Mar 23, 2023
French translation of claims
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Mar 23, 2023
German translation of the claims
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Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Intention to grant (signatures)
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Dec 1, 2022
Text intended for grant (clean copy)
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Dec 1, 2022
Nov 28, 2022
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Nov 18, 2022
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Intention to grant (signatures)
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Nov 18, 2022
Non-patent literature filed by a third party
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Nov 18, 2022
Non-patent literature filed by a third party
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Nov 18, 2022
Observations by third parties
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Nov 18, 2022
Observations by third parties
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Nov 18, 2022
Text intended for grant (clean copy)
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Nov 18, 2022
Text intended for grant (sequence listing)
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Nov 18, 2022
Oct 26, 2022
(Electronic) Receipt
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Oct 26, 2022
Amended claims with annotations
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Oct 26, 2022
Claims
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Oct 26, 2022
Letter accompanying subsequently filed items
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Oct 26, 2022
Oct 26, 2022
Jun 17, 2022
Annex to the communication
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Jun 17, 2022
Communication from the Examining Division
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Jun 9, 2022
(Electronic) Receipt
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Jun 9, 2022
Amended claims with annotations
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Jun 9, 2022
Claims
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Jun 9, 2022
Letter accompanying subsequently filed items
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Jun 9, 2022
Feb 1, 2022
Annex to the communication
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Feb 1, 2022
Communication from the Examining Division
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Aug 10, 2021
Aug 4, 2021
Non-patent literature filed by a third party
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Aug 4, 2021
Non-patent literature filed by a third party
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Aug 4, 2021
Observations by third parties
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Aug 4, 2021
Observations by third parties
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May 19, 2021
(Electronic) Receipt
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May 19, 2021
Amended claims with annotations
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May 19, 2021
Claims
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May 19, 2021
Letter accompanying subsequently filed items
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May 19, 2021
Mar 23, 2021
Mar 18, 2021
(Electronic) Receipt
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Mar 18, 2021
Letter accompanying subsequently filed items
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Mar 18, 2021
Nov 30, 2020
Nov 23, 2020
Observations by third parties
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Nov 23, 2020
Observations by third parties
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Nov 13, 2020
Annex to the communication
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Nov 13, 2020
Communication from the Examining Division
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Nov 11, 2020
Nov 5, 2020
Observations by third parties
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Jul 3, 2020
(Electronic) Receipt
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Jul 3, 2020
Amended claims with annotations
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Jul 3, 2020
Claims
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Jul 3, 2020
Letter accompanying subsequently filed items
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Jul 3, 2020
Feb 24, 2020
Annex to the communication
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Feb 24, 2020
Communication from the Examining Division
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Jan 14, 2020
Jan 13, 2020
Amended claims with annotations
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Jan 13, 2020
Claims
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Jan 13, 2020
Dec 13, 2019
Annexes in respect of a client data request
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Dec 11, 2019
Letter accompanying subsequently filed items
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Dec 11, 2019
Nov 21, 2019
Nov 13, 2019
Jul 3, 2019
Annex to the communication
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Jul 3, 2019
Communication from the Examining Division
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Jun 27, 2019
Examination started
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Jan 23, 2019
Jan 23, 2019
Amended claims with annotations
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Jan 23, 2019
Amendments received before examination
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Jan 23, 2019
Annex
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Jul 13, 2018
Jun 27, 2018
Jun 27, 2018
European search opinion
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Jun 27, 2018
Information on Search Strategy
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Jun 27, 2018
Supplementary European search report
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Jun 5, 2018
Search started
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Apr 25, 2018
Refund of fees
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Apr 3, 2018
Apr 3, 2018
Amended claims with annotations
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Apr 3, 2018
Amendments received before examination
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Apr 3, 2018
Amendments received before examination
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Nov 8, 2017
Oct 25, 2017
Refund of fees
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Sep 22, 2017
Sep 20, 2017
Communication to designated inventor
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Sep 20, 2017
Communication to designated inventor
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Sep 20, 2017
Communication to designated inventor
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Aug 29, 2017
(Electronic) Receipt
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Aug 29, 2017
Aug 29, 2017
Amendments received before examination
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Aug 29, 2017
Converted Sequence Listing
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Aug 29, 2017
Request for entry into the European phase
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Aug 14, 2017
Jun 9, 2017
Information on entry into European phase
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Aug 24, 2016
Aug 4, 2016
Converted Sequence Listing
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Aug 4, 2016
Copy of the international search report
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Aug 4, 2016
Published international application - A1
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