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The patent EP3202785 was granted to Chugai Seiyaku Kabushiki Kaisha on May 8, 2024. The application was filed on Oct 25, 2010 under application number EP17155939A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| STRAWMAN | Feb 10, 2025 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0409607 |
| DESCRIPTION | EP0628639 |
| DESCRIPTION | JPH0899902 |
| DESCRIPTION | JPS62258252 |
| DESCRIPTION | US2006127975 |
| DESCRIPTION | US5443968 |
| DESCRIPTION | US5670373 |
| DESCRIPTION | US5795965 |
| DESCRIPTION | US5817790 |
| DESCRIPTION | US7479543 |
| DESCRIPTION | WO2004048556 |
| DESCRIPTION | WO9219759 |
| DESCRIPTION | WO9841611 |
| EXAMINATION | WO2004104186 |
| OPPOSITION | US2006127975 |
| OPPOSITION | US2009028784 |
| OPPOSITION | WO2004048556 |
| OPPOSITION | WO2004104186 |
| OPPOSITION | WO2009112250 |
| OPPOSITION | WO9841611 |
| SEARCH | US2006127975 |
| SEARCH | WO2009112250 |
| SEARCH | WO9841611 |
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 22, 2024
Apr 11, 2024
Decision to grant a European patent
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Apr 8, 2024
Change to the inventor details
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Apr 3, 2024
(Electronic) Receipt
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Apr 3, 2024
Filing of the translations of the claims
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Apr 3, 2024
French translation of claims
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Apr 3, 2024
German translation of the claims
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Apr 3, 2024
Letter accompanying subsequently filed items
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Feb 19, 2024
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Feb 19, 2024
Intention to grant (signatures)
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Feb 19, 2024
Text intended for grant (clean copy)
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Feb 19, 2024
Feb 15, 2024
Annex to a communication
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Feb 15, 2024
Annex to a communication
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Feb 15, 2024
Annex to a communication
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Feb 15, 2024
Annex to a communication
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Feb 15, 2024
Annex to the communication
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Feb 15, 2024
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Feb 9, 2024
Jan 25, 2024
(Electronic) Receipt
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Jan 25, 2024
Letter accompanying subsequently filed items
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Jan 25, 2024
Letter dealing with oral proceedings
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Jan 24, 2024
Annex to the communication
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Jan 24, 2024
Consultation by telephone/in person
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Jan 24, 2024
Jan 15, 2024
Jan 15, 2024
Jan 10, 2024
(Electronic) Receipt
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Jan 10, 2024
Authorisation
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Jan 10, 2024
Letter accompanying subsequently filed items
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Jan 10, 2024
Dec 21, 2023
Invitation to file an authorisation
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Dec 18, 2023
(Electronic) Receipt
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Dec 18, 2023
Letter accompanying subsequently filed items
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Dec 18, 2023
Nov 29, 2023
(Electronic) Receipt
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Nov 29, 2023
Amended claims with annotations
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Nov 29, 2023
Amended claims with annotations
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Nov 29, 2023
Amended claims with annotations
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Nov 29, 2023
Amended claims with annotations
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Nov 29, 2023
Claims
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Nov 29, 2023
Claims
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Nov 29, 2023
Claims
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Nov 29, 2023
Claims
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Nov 29, 2023
Letter accompanying subsequently filed items
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Nov 29, 2023
Jun 9, 2023
Annex to the communication
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Jun 9, 2023
Summons to attend oral proceedings
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Jun 12, 2021
(Electronic) Receipt
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Jun 12, 2021
Amended claims with annotations
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Jun 12, 2021
Claims
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Jun 12, 2021
Letter accompanying subsequently filed items
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Jun 12, 2021
Feb 3, 2021
Annex to the communication
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Feb 3, 2021
Communication from the Examining Division
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Mar 23, 2020
Decision to allow further processing
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Mar 13, 2020
(Electronic) Receipt
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Mar 13, 2020
Amended claims with annotations
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Mar 13, 2020
Annex
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Mar 13, 2020
Claims
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Mar 13, 2020
Letter accompanying subsequently filed items
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Mar 13, 2020
Request for further processing
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Jan 13, 2020
Sep 26, 2019
Sep 19, 2019
(Electronic) Receipt
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Sep 19, 2019
Letter accompanying subsequently filed items
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May 24, 2019
Annex to the communication
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May 24, 2019
Communication from the Examining Division
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May 23, 2019
Submission concerning representation
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Feb 21, 2019
Decision to allow further processing
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Feb 5, 2019
(Electronic) Receipt
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Feb 5, 2019
Amended claims with annotations
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Feb 5, 2019
Claims
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Feb 5, 2019
Letter accompanying subsequently filed items
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Feb 5, 2019
Request for further processing
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Dec 18, 2018
Nov 15, 2018
Nov 9, 2018
(Electronic) Receipt
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Nov 9, 2018
Letter accompanying subsequently filed items
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Aug 6, 2018
Jul 27, 2018
(Electronic) Receipt
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Jul 27, 2018
Letter accompanying subsequently filed items
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May 11, 2018
Annex to the communication
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May 11, 2018
Communication from the Examining Division
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May 3, 2018
Examination started
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Feb 5, 2018
(Electronic) Receipt
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Feb 5, 2018
Feb 5, 2018
Amended claims with annotations
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Feb 5, 2018
Amendments received before examination
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Feb 5, 2018
Letter accompanying subsequently filed items
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Aug 14, 2017
Jul 19, 2017
Refund of fees
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Jul 12, 2017
Notification of forthcoming publication
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Jul 7, 2017
Jul 7, 2017
European search opinion
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Jul 7, 2017
European search report
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Jul 7, 2017
Information on Search Strategy
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May 8, 2017
Communication to designated inventor
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May 8, 2017
Communication to designated inventor
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May 8, 2017
Communication to designated inventor
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May 8, 2017
Communication to designated inventor
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May 8, 2017
Communication to designated inventor
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May 8, 2017
Communication to designated inventor
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Mar 24, 2017
Priority search results copy provided by EPO
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Feb 28, 2017
Description
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Feb 28, 2017
Drawings
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Feb 28, 2017
Previously filed application
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Feb 14, 2017
Abstract
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Feb 14, 2017
Feb 14, 2017
Claims
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Feb 14, 2017
Designation of inventor
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Feb 14, 2017
Request for grant of a European patent
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May 26, 2011