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Extract from the Register of European Patents

EP About this file: EP3856712

EP3856712 - SYNTHETIC METHODFOR THE PREPARATION OF AN ALKOXYMETHYLENE-BENZOYLACETONITRILE [Right-click to bookmark this link]
Former [2021/31]SYNTHETIC METHOD FOR THE PREPARATION OF AN ALKOXYMETHYLENE-BENZOYLACETONITRILE
[2022/22]
StatusNo opposition filed within time limit
Status updated on  01.09.2023
Database last updated on 20.12.2024
FormerThe patent has been granted
Status updated on  23.09.2022
FormerGrant of patent is intended
Status updated on  19.05.2022
FormerRequest for examination was made
Status updated on  02.07.2021
FormerThe international publication has been made
Status updated on  05.04.2020
Formerunknown
Status updated on  12.10.2019
Most recent event   Tooltip15.11.2024Lapse of the patent in a contracting state
New state(s): BG		published on 18.12.2024  [2024/51]
Applicant(s)For all designated states
Mereo BioPharma 1 Limited
1 Cavendish Place
London, Greater London W1G 0QF / GB
[2021/31]
Inventor(s)01 / MEISENBACH, Mark
Lichtstrasse 35
4056 Basel / CH
02 / MARTIN, Benjamin
Lichtstrasse 35
4056 Basel / CH
03 / RONDE, Niek Johannes
c/o Alcami Corporation
Vliesvenweg 1
6002 NM Weert / NL
 [2021/31]
Representative(s)Gill Jennings & Every LLP
The Broadgate Tower
20 Primrose Street
London EC2A 2ES / GB
[2021/31]
Application number, filing date19780307.526.09.2019
[2021/31]
WO2019GB52720
Priority number, dateGB2018001569926.09.2018         Original published format: GB 201815699
[2021/31]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020065325
Date:02.04.2020
Language:EN
[2020/14]
Type: A1 Application with search report 
No.:EP3856712
Date:04.08.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 02.04.2020 takes the place of the publication of the European patent application.
[2021/31]
Type: B1 Patent specification 
No.:EP3856712
Date:26.10.2022
Language:EN
[2022/43]
Search report(s)International search report - published on:EP02.04.2020
ClassificationIPC:C07C253/30
[2021/31]
CPC:
C07C253/30 (EP,IL,KR,US); B01D3/009 (US); B01D3/10 (US);
C07C253/34 (US); C07C255/54 (EP,IL,KR); C07D231/38 (KR)
C-Set:
C07C253/30, C07C255/54 (EP)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2021/31]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:SYNTHETISCHES VERFAHREN ZUR HERSTELLUNG VON ALKOXYMETHYLEN-BENZOYLACETONITRIL[2021/31]
English:SYNTHETIC METHODFOR THE PREPARATION OF AN ALKOXYMETHYLENE-BENZOYLACETONITRILE[2022/22]
French:PROCÉDÉ SYNTHÉTIQUE POUR LA PRÉPARATION D'UN ALCOXYMÉTHYLÈNE-BENZOYLACÉTONITRILE[2021/31]
Former [2021/31]SYNTHETIC METHOD FOR THE PREPARATION OF AN ALKOXYMETHYLENE-BENZOYLACETONITRILE
Entry into regional phase12.04.2021National basic fee paid 
12.04.2021Designation fee(s) paid 
12.04.2021Examination fee paid 
Examination procedure12.04.2021Examination requested  [2021/31]
12.04.2021Date on which the examining division has become responsible
26.08.2021Amendment by applicant (claims and/or description)
20.05.2022Communication of intention to grant the patent
16.09.2022Fee for grant paid
16.09.2022Fee for publishing/printing paid
16.09.2022Receipt of the translation of the claim(s)
Opposition(s)27.07.2023No opposition filed within time limit [2023/40]
Fees paidRenewal fee
15.09.2021Renewal fee patent year 03
11.08.2022Renewal fee patent year 04
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAL26.10.2022
AT26.10.2022
BG26.10.2022
CZ26.10.2022
EE26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
MC26.10.2022
PL26.10.2022
RO26.10.2022
RS26.10.2022
SI26.10.2022
SK26.10.2022
SM26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
[2024/51]
Former [2024/28]AL26.10.2022
AT26.10.2022
CZ26.10.2022
EE26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
MC26.10.2022
PL26.10.2022
RO26.10.2022
RS26.10.2022
SI26.10.2022
SK26.10.2022
SM26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
Former [2023/51]AL26.10.2022
AT26.10.2022
CZ26.10.2022
EE26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
PL26.10.2022
RO26.10.2022
RS26.10.2022
SI26.10.2022
SK26.10.2022
SM26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
Former [2023/38]AL26.10.2022
AT26.10.2022
CZ26.10.2022
EE26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
PL26.10.2022
RO26.10.2022
RS26.10.2022
SK26.10.2022
SM26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
Former [2023/37]AL26.10.2022
AT26.10.2022
CZ26.10.2022
EE26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
PL26.10.2022
RO26.10.2022
RS26.10.2022
SM26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
Former [2023/35]AT26.10.2022
CZ26.10.2022
EE26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
PL26.10.2022
RO26.10.2022
RS26.10.2022
SM26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
Former [2023/34]AT26.10.2022
EE26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
PL26.10.2022
RS26.10.2022
SM26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
Former [2023/33]AT26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
PL26.10.2022
RS26.10.2022
SM26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
Former [2023/25]AT26.10.2022
FI26.10.2022
HR26.10.2022
LT26.10.2022
LV26.10.2022
PL26.10.2022
RS26.10.2022
NO26.01.2023
GR27.01.2023
IS26.02.2023
PT27.02.2023
Former [2023/23]AT26.10.2022
FI26.10.2022
LT26.10.2022
LV26.10.2022
NO26.01.2023
GR27.01.2023
PT27.02.2023
Former [2023/22]AT26.10.2022
FI26.10.2022
LT26.10.2022
NO26.01.2023
PT27.02.2023
Former [2023/20]LT26.10.2022
NO26.01.2023
Cited inInternational search[Y]US3658838  (KIEHNE HARTMUT, et al) [Y] 1-14 * col. 4;; column 5, lines 46-55 *;
 [YA]EP0220523  (KANEBO LTD [JP]) [Y] 1-13 * page 8, compound (XIII) and (XIV); page 16, lines 1-13 *[A] 14;
 [YDA]WO2005009973  (TRIAD THERAPEUCTICS INC [US], et al) [YD] 13,14 * scheme 9;;; examples 8, 13, 14, 30 * [A] 1-12;
 [YA]  - Guoqing Zhu, Mingchen Sun, Chunping Zhu, Han Wang, Jingli Xu, "New Synthesis of 7-(3-chloropropoxy)-4-hydroxy-6-methoxyquinoline-3-carbonitrile, a Key Intermediate to Bosutinib - Zhu - 2017 - Journal of Heterocyclic Chemistry - Wiley Online Library", (20170305), URL: https://onlinelibrary.wiley.com/doi/epdf/10.1002/jhet.2811, (20191022), XP055634691 [Y] 1-13 * preparation of compound (24) strating from (23) with trimethyl orthoformate * [A] 14
by applicantWO2005009973
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.