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The patent EP1841493 was granted to Merck Sharp & Dohme on May 29, 2024. The application was filed on Jan 20, 2006 under application number EP06707783A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| HOLME PATENT | Apr 11, 2019 | HOLME PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP1666084 |
| INTERNATIONAL-SEARCH-REPORT | EP1300129 |
| INTERNATIONAL-SEARCH-REPORT | US1655158 |
| INTERNATIONAL-SEARCH-REPORT | US4994028 |
| INTERNATIONAL-SEARCH-REPORT | US5279554 |
| INTERNATIONAL-SEARCH-REPORT | US5695463 |
| INTERNATIONAL-SEARCH-REPORT | US5827297 |
| INTERNATIONAL-SEARCH-REPORT | US5906599 |
| INTERNATIONAL-SEARCH-REPORT | US6402716 |
| INTERNATIONAL-SEARCH-REPORT | US6592508 |
| INTERNATIONAL-SEARCH-REPORT | WO0168168 |
| INTERNATIONAL-SEARCH-REPORT | WO2004089458 |
| OPPOSITION | EP0858813 |
| OPPOSITION | US5906599 |
| OPPOSITION | WO2004026106 |
| OPPOSITION | WO2004089458 |
| OPPOSITION | WO9813091 |
| OPPOSITION | WO9933512 |
| OTHER | US2001031940 |
| OTHER | US6190350 |
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 3, 2024
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Refund of fees
Appeal
Sep 12, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 27, 2023
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(Electronic) Receipt
Appeal
Jul 1, 2021
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Reply to appeal
Appeal
Feb 25, 2021
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Dec 21, 2020
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Notice of appeal
Appeal
Dec 15, 2020
Document concerning representation
Search/Exam
Oct 28, 2020
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Jul 23, 2018
Jun 14, 2018
Decision to grant a European patent
Search/Exam
Jun 1, 2018
(Electronic) Receipt
Search/Exam
Jun 1, 2018
Filing of the translations of the claims
Search/Exam
Jun 1, 2018
French translation of claims
Search/Exam
Jun 1, 2018
German translation of the claims
Search/Exam
Jun 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2018
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Intention to grant (signatures)
Search/Exam
Jan 31, 2018
Text intended for grant (clean copy)
Search/Exam
Jan 31, 2018
Sep 15, 2017
(Electronic) Receipt
Search/Exam
Sep 15, 2017
Amended claims with annotations
Search/Exam
Sep 15, 2017
Claims
Search/Exam
Sep 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 15, 2017
Jul 19, 2017
Jul 13, 2017
(Electronic) Receipt
Search/Exam
Jul 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2017
Mar 8, 2017
Annex to the communication
Search/Exam
Mar 8, 2017
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Dec 1, 2016
(Electronic) Receipt
Search/Exam
Dec 1, 2016
Claims
Search/Exam
Dec 1, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2016
Oct 6, 2016
Sep 30, 2016
(Electronic) Receipt
Search/Exam
Sep 30, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2016
May 23, 2016
Annex to the communication
Search/Exam
May 23, 2016
Communication from the Examining Division
Search/Exam
May 6, 2016
Examination started
Search/Exam
Feb 2, 2016
Feb 2, 2016
Jun 19, 2015
Observations by third parties
Search/Exam
Jun 19, 2015
Patent document filed by a Third party
Search/Exam
Jun 19, 2015
Patent document filed by a Third party
Search/Exam
Jun 16, 2015
Observations by third parties
Search/Exam
Jun 16, 2015
Patent document filed by a Third party
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Jun 16, 2015
Patent document filed by a Third party
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Letter concerning fees and payments
Search/Exam
Dec 18, 2008
Letter concerning fees and payments
Search/Exam
Oct 31, 2007
Refund of fees
Search/Exam
Sep 12, 2007
Sep 12, 2007
Aug 20, 2007
Aug 20, 2007
Matter concerning the application
Search/Exam
Aug 20, 2007
Request for entry into the European phase
Search/Exam
Jul 30, 2007
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Information on entry into European phase
Search/Exam
May 18, 2007
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Notification of the recording of a change
Search/Exam
Jan 29, 2007
Notification of the recording of a change
Search/Exam
Jan 3, 2007
Notification of election of EPO
Search/Exam
Dec 21, 2006
Free text
PCT2
Dec 11, 2006
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Nov 30, 2006
Nov 27, 2006
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PCT demand form
PCT2
Nov 27, 2006
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PCT demand form
PCT2
Nov 24, 2006
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Sep 19, 2006
Sep 19, 2006
Notification of the recording of a change
Search/Exam
Aug 17, 2006
Jul 27, 2006
Copy of the international search report
Search/Exam
Jul 27, 2006
Published international application - A1
Search/Exam
Feb 17, 2006
Abstract
PCTISA
Feb 17, 2006
Claims
PCTISA
Feb 17, 2006
Description
PCTISA
Feb 17, 2006
Drawings
PCTISA
Jan 20, 2006
Abstract
PCTISA
Jan 20, 2006
Claims
PCTISA
Jan 20, 2006
Description
PCTISA
Jan 20, 2006
Drawings
PCTISA