Patent details
EP3971164 Title: METHOD AND COMPOUND USEFUL IN PREPARATION OF OREXIN-2 RECEPTOR ANTAGONIST, AND LEMBOREXANT HAVING FEW IMPURITIES
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Unitary Effect
- Unitary Effect Requested:
- Yes
- Unitary Effect Request Filing Date:
- 20/02/2025
- Unitary Effect Status:
- Unitary Effect Registered
- Request Unitary Effect Accepted:
- 26/02/2025
- Unitary Effect Date:
- 29/01/2025
- Unitary Effect Registration Date:
- 26/02/2025
- Request Unitary Effect Rejected:
- Unitary Effect Re-establishment of rights Filing Date:
- Unitary Effect Re-establishment of rights EPO Decision :
- Unitary Effect Re-establishment of rights EPO Decision Date:
- Unitary Effect Request Withdrawal Date:
- Unitary Effect request has been accepted, please see the UPP register at the EPO for up-to-date information
- UPP register:
- EP3971164
- SPC Number:
- Creation Date:
Basic Information
- Publication number:
- EP3971164
- WO Application Number:
- JP2020019037
- Type:
- European Patent Granted for NL
- Status:
- Unitary Effect Registered
- Publication Title:
- Title When Made Available For Viewing:
- Reason Lapsed:
- Application number:
- EP20806704.1
- WO Publication Number:
- WO2020230800
- EPO Publication Language:
- English
- SPC Number:
- First Applicant Residence Country:
- Japan (JP)
- Publications:
Dates
- Filing date:
- 13/05/2020
- Grant date:
- 29/01/2025
- EP Publication Date:
- 23/03/2022
- WO Publication Date:
- 19/11/2020
- Claims Translations Received Date:
- Claims Translation B1 Received Date:
- Claims Translation B2 Received Date:
- Claims Translation B3 Received Date:
- Lapsed By Non Payment Annual Fee Date:
- Renunciation Date:
- NullificationDate:
- Published:
- Due To Cession Date:
- Registration date:
- 29/01/2025
- EP B1 Publication Date:
- 29/01/2025
- EP B2 Publication Date:
- EP B3 Publication Date:
- Description Translation B1 Received Date:
- Description Translation B2 Received Date:
- Description Translation B3 Received Date:
- Expiration date:
- 12/05/2040
- Lapsed By Expiration Date:
- Revocation Date:
- Invalidity Date:
- Response To Novelty Search Report Received:
- Patent Granting Request:
- Lapsed date:
Applicant/holder
- From:
- 29/01/2025
- Name:
- Eisai R&D Management Co., Ltd.
- Address:
- 4-6-10 Koishikawa Bunkyo-ku, Tokyo 112-8088, Japan (JP)
Inventor
1
- Name:
- ABE, Taichi
- Address:
- Kamisu-shi, Ibaraki 314-0255, Japan (JP)
2
- Name:
- YOSHIZAWA, Kazuhiro
- Address:
- Kamisu-shi, Ibaraki 314-0255, Japan (JP)
3
- Name:
- WATANABE, Yuzo
- Address:
- Kamisu-shi, Ibaraki 314-0255, Japan (JP)
4
- Name:
- MIURA, Takeshi
- Address:
- Kamisu-shi, Ibaraki 314-0255, Japan (JP)
5
- Name:
- AYATA, Yusuke
- Address:
- Kamisu-shi, Ibaraki 314-0255, Japan (JP)
6
- Name:
- YASUDA, Yoshinori
- Address:
- Kamisu-shi, Ibaraki 314-0255, Japan (JP)
Priority
1
- Priority Patent Number:
- 2019238904
- Priority Date:
- 27/12/2019
- Priority Country:
- Japan (JP)
2
- Priority Patent Number:
- 2019092254
- Priority Date:
- 15/05/2019
- Priority Country:
- Japan (JP)
Classification
- IPC or IDT classification:
- C07C 67/14; C07C 29/147; C07C 33/50; C07C 69/63; C07C 303/28; C07C 309/73; C07D 239/34; C07D 401/12; A61K 31/506; A61P 25/20; A61P 43/00; C07B 61/00;
Publication
Bulletin
1
- Bulletin Heading:
- UP1
- Journal edition number:
- 14/25
- Publication date:
- 02/04/2025
- Description:
- European patents with registered Unitary Effect
2
- Bulletin Heading:
- EP2
- Journal edition number:
- 05/25
- Publication date:
- 29/01/2025
- Description:
- European patents granted for the Netherlands
European Patent Bulletin
1
- Issue number:
- 202514
- Publication date:
- 02/04/2025
- Description:
- Unitary Effect Request Acceptance
2
- Issue number:
- 202513
- Publication date:
- 26/03/2025
- Description:
- Unitary Effect Request Receipt
3
- Issue number:
- 202505
- Publication date:
- 29/01/2025
- Description:
- Grant (B1)
Annual Fee
- Annual Fee(s) Due Date:
- Annual Fee Number:
- Last Annual Payment Date:
- Last Annual Fee Paid Number:
- Payer:
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