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The patent EP3351246 was granted to Novartis on Sep 18, 2019. The application was filed on Feb 18, 2002 under application number EP18155644A. 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 |
|---|---|---|---|
| ARROW GENERIQUES | Feb 24, 2020 | TRIPOZ | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Feb 22, 2020 | AUGUST DEBOUZY | ADMISSIBLE |
| GENERICS UK | Feb 21, 2020 | ELKINGTON AND FIFE | ADMISSIBLE |
| DR REDDYS LABORATORIES BETAPHARM ARZNEIMITTEL | Jan 29, 2020 | MAIWALD | ADMISSIBLE |
| ZENTIVA PHARMA | Sep 16, 2019 | BIRD & BIRD | ADMISSIBLE |
| ACCORD HEALTHCARE | Jul 31, 2019 | PLOUGMANN VINGTOFT | WITHDRAWN |
| ETHYPHARM | Jul 3, 2019 | LLR | ADMISSIBLE |
| BIOGARAN | Jul 1, 2019 | CASALONGA | ADMISSIBLE |
| STADA ARZNEIMITTEL | May 23, 2019 | HAMM & WITTKOPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0296110 |
| DESCRIPTION | EP0520722 |
| DESCRIPTION | EP0564409 |
| DESCRIPTION | EP0566226 |
| DESCRIPTION | EP0769947 |
| DESCRIPTION | EP0787722 |
| DESCRIPTION | EP0837063 |
| DESCRIPTION | GB2177700 |
| DESCRIPTION | US4100274 |
| DESCRIPTION | US4636505 |
| DESCRIPTION | US4659516 |
| DESCRIPTION | US5010099 |
| DESCRIPTION | US5362718 |
| DESCRIPTION | US5747498 |
| DESCRIPTION | US5843901 |
| DESCRIPTION | WO0009495 |
| DESCRIPTION | WO0027819 |
| DESCRIPTION | WO0027820 |
| DESCRIPTION | WO0037502 |
| DESCRIPTION | WO0059509 |
| DESCRIPTION | WO9409010 |
| DESCRIPTION | WO9410202 |
| DESCRIPTION | WO9503283 |
| DESCRIPTION | WO9516691 |
| DESCRIPTION | WO9630347 |
| DESCRIPTION | WO9633980 |
| DESCRIPTION | WO9641807 |
| DESCRIPTION | WO9702266 |
| DESCRIPTION | WO9730034 |
| DESCRIPTION | WO9738983 |
| DESCRIPTION | WO9749688 |
| DESCRIPTION | WO9810767 |
| DESCRIPTION | WO9811223 |
| DESCRIPTION | WO9835958 |
| DESCRIPTION | WO9903854 |
| DESCRIPTION | WO9917804 |
| EXAMINATION | US5206018 |
| OPPOSITION | EP0663916 |
| OPPOSITION | EP1363267 |
| OPPOSITION | EP2269603 |
| OPPOSITION | EP2783686 |
| OPPOSITION | EP3143995 |
| OPPOSITION | EP3406249 |
| OPPOSITION | GB104072 |
| OPPOSITION | GB124957 |
| OPPOSITION | GB2177700 |
| OPPOSITION | US5066493 |
| OPPOSITION | US5206018 |
| OPPOSITION | US5922730 |
| OPPOSITION | WO0069467 |
| OPPOSITION | WO0112633 |
| OPPOSITION | WO0151049 |
| OPPOSITION | WO0164193 |
| OPPOSITION | WO02066019 |
| OPPOSITION | WO02080975 |
| OPPOSITION | WO9409010 |
| OPPOSITION | WO9747317 |
| OTHER | EP1363627 |
| OTHER | EP3406249 |
| OTHER | WO0069467 |
| OTHER | WO02066019 |
| OTHER | WO9747317 |
| SEARCH | WO0151049 |
| SEARCH | WO9409010 |
| SEARCH | WO9747317 |
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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Annexes in respect of a client data request
Search/Exam
May 13, 2019
Annexes in respect of a client data request
Search/Exam
May 13, 2019
Annexes in respect of a client data request
Search/Exam
May 13, 2019
Annexes in respect of a client data request
Search/Exam
May 8, 2019
Annexes in respect of a client data request
Search/Exam
May 8, 2019
Apr 26, 2019
Decision to grant a European patent
Search/Exam
Apr 25, 2019
Observations by third parties
Search/Exam
Apr 25, 2019
Observations by third parties
Search/Exam
Apr 12, 2019
(Electronic) Receipt
Search/Exam
Apr 12, 2019
Filing of the translations of the claims
Search/Exam
Apr 12, 2019
French translation of claims
Search/Exam
Apr 12, 2019
German translation of the claims
Search/Exam
Apr 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019
Intention to grant (signatures)
Search/Exam
Apr 10, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 10, 2019
Mar 19, 2019
(Electronic) Receipt
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Citation for the examination procedure
Search/Exam
Mar 19, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2019
Jan 23, 2019
Jan 18, 2019
Annex to the communication
Search/Exam
Jan 18, 2019
Communication from the Examining Division
Search/Exam
Jan 18, 2019
Dec 18, 2018
Dec 17, 2018
(Electronic) Receipt
Search/Exam
Dec 17, 2018
Dec 17, 2018
Claims
Search/Exam
Dec 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 17, 2018
Dec 12, 2018
(Electronic) Receipt
Search/Exam
Dec 12, 2018
Dec 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2018
Dec 12, 2018
Dec 12, 2018
Dec 12, 2018
Dec 12, 2018
Dec 12, 2018
Observations by third parties
Search/Exam
Dec 12, 2018
Dec 12, 2018
Dec 7, 2018
Examination started
Search/Exam
Dec 6, 2018
(Electronic) Receipt
Search/Exam
Dec 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2018
Observations by third parties
Search/Exam
Nov 22, 2018
Nov 6, 2018
(Electronic) Receipt
Search/Exam
Nov 6, 2018
Enquiry as to the processing of the file
Search/Exam
Nov 6, 2018
Oct 1, 2018
(Electronic) Receipt
Search/Exam
Oct 1, 2018
Oct 1, 2018
Amended description with annotations
Search/Exam
Oct 1, 2018
Amendments received before examination
Search/Exam
Oct 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 23, 2018
Aug 23, 2018
Aug 15, 2018
(Electronic) Receipt
Search/Exam
Aug 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 15, 2018
Matter concerning the application
Search/Exam
Jul 30, 2018
Jul 25, 2018
(Electronic) Receipt
Search/Exam
Jul 25, 2018
Jul 25, 2018
Amended claims with annotations
Search/Exam
Jul 25, 2018
Amendments received before examination
Search/Exam
Jul 25, 2018
General authorisation
Search/Exam
Jul 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2018
Jul 25, 2018
Jul 25, 2018
Jul 25, 2018
Jun 27, 2018
Notification of forthcoming publication
Search/Exam
Jun 20, 2018
Refund of fees
Search/Exam
Jun 7, 2018
Jun 7, 2018
European search opinion
Search/Exam
Jun 7, 2018
European search report
Search/Exam
Jun 7, 2018
Information on Search Strategy
Search/Exam
May 25, 2018
Search started
Search/Exam
Apr 4, 2018
Communication to designated inventor
Search/Exam
Apr 4, 2018
Communication to designated inventor
Search/Exam
Apr 4, 2018
Communication to designated inventor
Search/Exam
Mar 15, 2018
(Electronic) Receipt
Search/Exam
Mar 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 15, 2018
Mar 14, 2018
Refund of fees
Search/Exam
Feb 7, 2018
Abstract
Search/Exam
Feb 7, 2018
Feb 7, 2018
Claims
Search/Exam
Feb 7, 2018
Description
Search/Exam
Feb 7, 2018
Designation of inventor
Search/Exam
Feb 7, 2018
Request for grant of a European patent
Search/Exam
Nov 26, 2003
Nov 26, 2003