The patent EP3352956 was granted to Urschel Laboratories on Jan 6, 2021. The application was originally filed on Sep 26, 2016 under application number EP16849840A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3139127 |
| DESCRIPTION | US3139130 |
| DESCRIPTION | US4937084 |
| DESCRIPTION | WO2015075179 |
| INTERNATIONAL-SEARCH-REPORT | US2004079213 |
| INTERNATIONAL-SEARCH-REPORT | US2015140198 |
| INTERNATIONAL-SEARCH-REPORT | US4523503 |
| INTERNATIONAL-SEARCH-REPORT | US5095875 |
| INTERNATIONAL-SEARCH-REPORT | WO2013101621 |
| OPPOSITION | CA1327934 |
| OPPOSITION | US2002170991 |
| OPPOSITION | US2003145698 |
| OPPOSITION | US2003221536 |
| OPPOSITION | US2004237747 |
| OPPOSITION | US2009202694 |
| OPPOSITION | US2010206185 |
| OPPOSITION | US2013276604 |
| OPPOSITION | US2015107426 |
| OPPOSITION | US3139127 |
| OPPOSITION | US4508739 |
| OPPOSITION | US4511586 |
| OPPOSITION | US4523503 |
| OPPOSITION | US4590835 |
| OPPOSITION | US4937084 |
| OPPOSITION | US5211097 |
| OPPOSITION | US5555787 |
| OPPOSITION | US8161856 |
| OPPOSITION | WO2013101621 |
| OPPOSITION | WO2015075179 |
| SEARCH | US3139127 |
| SEARCH | US4937084 |
| SEARCH | WO2015075179 |
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Description
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(Electronic) Receipt
Appeal
Sep 24, 2024
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Jan 20, 2021
Dec 10, 2020
Decision to grant a European patent
Search/Exam
Nov 25, 2020
(Electronic) Receipt
Search/Exam
Nov 25, 2020
Filing of the translations of the claims
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Nov 25, 2020
French translation of claims
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Nov 25, 2020
German translation of the claims
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Nov 25, 2020
Letter accompanying subsequently filed items
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Oct 19, 2020
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Intention to grant (signatures)
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Oct 19, 2020
Text intended for grant (clean copy)
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Oct 19, 2020
Aug 6, 2020
Examination started
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Apr 17, 2020
(Electronic) Receipt
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Apr 17, 2020
Apr 17, 2020
Amended claims with annotations
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Apr 17, 2020
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Amended description with annotations
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Apr 17, 2020
Amendments received before examination
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Apr 17, 2020
Letter accompanying subsequently filed items
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Oct 11, 2019
Sep 24, 2019
Sep 24, 2019
European search opinion
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Sep 24, 2019
Information on Search Strategy
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Sep 24, 2019
Supplementary European search report
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Jul 19, 2019
(Electronic) Receipt
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Jul 19, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 19, 2019
May 9, 2019
Annex to the communication
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May 9, 2019
Apr 25, 2019
Search started
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Nov 13, 2018
(Electronic) Receipt
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Nov 13, 2018
Nov 13, 2018
Amended claims with annotations
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Nov 13, 2018
Amendments received before examination
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Nov 13, 2018
Letter accompanying subsequently filed items
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Aug 31, 2018
Submission concerning representation
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Jul 4, 2018
May 3, 2018
Apr 30, 2018
Communication to designated inventor
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Apr 9, 2018
Mar 23, 2018
(Electronic) Receipt
Search/Exam
Mar 23, 2018
Request for entry into the European phase
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Feb 2, 2018
Information on entry into European phase
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Apr 18, 2017
Apr 18, 2017
Mar 30, 2017
Copy of the international search report
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Mar 30, 2017
Published international application - A1
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