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The patent EP3609497 was granted to Janssen Pharmaceutica on Oct 12, 2022. The application was filed on Apr 9, 2018 under application number EP18720895A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
Antitumor drugs for men with metastatic castration-resistant prostate cancer (mCRPC). The drugs are niraparib, abiraterone acetate, and prednisone in a total amount that is therapeutically effective for the treatment of a prostate cancer in a human patient.

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 |
|---|---|---|---|
| GENERICS UK | Jul 12, 2023 | RUSSELL | ADMISSIBLE |
| SANDOZ | Jul 11, 2023 | ELKINGTON AND FIFE | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Jul 6, 2023 | VON KAUFFMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US8071623 |
| DESCRIPTION | US8436185 |
| INTERNATIONAL-SEARCH-REPORT | US2014336157 |
| OPPOSITION | US2014336157 |
| OPPOSITION | WO2008084261 |
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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Description
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Oct 25, 2022
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Decision to grant a European patent
Search/Exam
Aug 31, 2022
(Electronic) Receipt
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Aug 31, 2022
Filing of the translations of the claims
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Aug 31, 2022
French translation of claims
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Aug 31, 2022
German translation of the claims
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Aug 31, 2022
Letter accompanying subsequently filed items
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Jul 22, 2022
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Intention to grant (signatures)
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Jul 22, 2022
Text intended for grant (clean copy)
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Jun 13, 2022
Examination started
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Aug 13, 2021
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Letter accompanying subsequently filed items
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Aug 5, 2021
Sep 28, 2020
Decision to allow further processing
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Sep 16, 2020
(Electronic) Receipt
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Sep 16, 2020
Sep 16, 2020
Amended claims with annotations
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Sep 16, 2020
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Amended description with annotations
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Sep 16, 2020
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Jun 9, 2020
Letter accompanying subsequently filed items
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Feb 11, 2020
Feb 11, 2020
Notification of the recording of a change
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Jan 22, 2020
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Communication to designated inventor
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Communication to designated inventor
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Nov 13, 2019
(Electronic) Receipt
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Nov 13, 2019
Request for entry into the European phase
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Oct 29, 2019
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Oct 15, 2019
Notification of the recording of a change
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Aug 23, 2019
Information on entry into European phase
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Nov 7, 2018
Oct 18, 2018
Copy of the international search report
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Oct 18, 2018
Published international application - A1
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Jul 13, 2018
ISR: cited documents
PCTISA
Jun 27, 2018
Jun 27, 2018
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May 15, 2018
Apr 26, 2018
Abstract
PCTISA
Apr 26, 2018
Annex
PCTISA
Apr 26, 2018
Claims
PCTISA
Apr 26, 2018
Description
PCTISA
Apr 26, 2018
Drawings
PCTISA
Apr 26, 2018
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