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The patent EP3377049 was granted to Kishore Kumar on Jan 6, 2021. The application was filed on Nov 16, 2016 under application number EP16865892A. 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 |
|---|---|---|---|
| MURGITROYD | Oct 6, 2021 | MURGITROYD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN103553940 |
| INTERNATIONAL-SEARCH-REPORT | US8981154 |
| INTERNATIONAL-SEARCH-REPORT | WO2012051246 |
| INTERNATIONAL-SEARCH-REPORT | WO2014108514 |
| OPPOSITION | EP0693475 |
| OPPOSITION | EP3656765 |
| OPPOSITION | US2011071120 |
| OPPOSITION | WO2006002886 |
| OPPOSITION | WO2008012047 |
| OPPOSITION | WO2008128739 |
| OPPOSITION | WO2012010316 |
| OPPOSITION | WO2012051246 |
| OPPOSITION | WO2014108514 |
| SEARCH | US2011071120 |
| SEARCH | WO2012051246 |
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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Jun 9, 2023
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Means of redress
OPPO
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Authorisation
OPPO
Jul 15, 2022
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Authorisation
OPPO
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Authorisation
OPPO
Feb 18, 2022
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Jan 20, 2021
Dec 10, 2020
Decision to grant a European patent
Search/Exam
Oct 7, 2020
(Electronic) Receipt
Search/Exam
Oct 7, 2020
Filing of the translations of the claims
Search/Exam
Oct 7, 2020
French translation of claims
Search/Exam
Oct 7, 2020
German translation of the claims
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Aug 19, 2020
Change to the inventor details
Search/Exam
Aug 10, 2020
(Electronic) Receipt
Search/Exam
Aug 10, 2020
Annex
Search/Exam
Aug 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2020
Letter concerning the inventor
Search/Exam
Aug 3, 2020
Aug 3, 2020
Aug 3, 2020
Intention to grant (signatures)
Search/Exam
Aug 3, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 3, 2020
May 25, 2020
Examination started
Search/Exam
Jan 15, 2020
(Electronic) Receipt
Search/Exam
Jan 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2020
Dec 20, 2019
Dec 10, 2019
(Electronic) Receipt
Search/Exam
Dec 10, 2019
Dec 10, 2019
Dec 10, 2019
Amendments received before examination
Search/Exam
Dec 10, 2019
Drawings
Search/Exam
Dec 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2019
May 14, 2019
May 14, 2019
European search opinion
Search/Exam
May 14, 2019
Information on Search Strategy
Search/Exam
May 14, 2019
Supplementary European search report
Search/Exam
May 10, 2019
May 7, 2019
Search started
Search/Exam
Mar 13, 2019
(Electronic) Receipt
Search/Exam
Mar 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2019
Feb 21, 2019
Jan 16, 2019
(Electronic) Receipt
Search/Exam
Jan 16, 2019
Annexes in respect of a client data request
Search/Exam
Jan 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2019
Jan 10, 2019
(Electronic) Receipt
Search/Exam
Jan 10, 2019
Jan 10, 2019
Amendments received before examination
Search/Exam
Jan 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 29, 2018
Jul 5, 2018
Jul 3, 2018
Communication to designated inventor
Search/Exam
Jul 3, 2018
Communication to designated inventor
Search/Exam
Jul 3, 2018
Communication to designated inventor
Search/Exam
Jun 18, 2018
(Electronic) Receipt
Search/Exam
Jun 18, 2018
Request for entry into the European phase
Search/Exam
Jun 5, 2018
Apr 3, 2018
Information on entry into European phase
Search/Exam
Jun 14, 2017
May 26, 2017
Copy of the international search report
Search/Exam
May 26, 2017
Published international application - A1
Search/Exam