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EP3880681
European procedure
Extract from the Register of European Patents
EP About this file: EP3880681
| EP3880681 - METHODS OF PREPARING CYTOTOXIC BENZODIAZEPINE DERIVATIVES [Right-click to bookmark this link] | Status | The patent has been granted Status updated on 09.02.2024 Database last updated on 29.06.2024 | |
| Former | Grant of patent is intended Status updated on 26.09.2023 | ||
| Former | Examination is in progress Status updated on 29.04.2022 | ||
| Former | Request for examination was made Status updated on 20.08.2021 | ||
| Former | The international publication has been made Status updated on 22.05.2020 | ||
| Former | unknown Status updated on 18.12.2019 | Most recent event Tooltip | 15.03.2024 | Change - divisional application(s) | published on 17.04.2024 [2024/16] | Applicant(s) | For all designated states ImmunoGen, Inc. 830 Winter Street Waltham, MA 02451-1477 / US | [2021/38] | Inventor(s) | 01 /
REARDON, Michael 77 Arnold Road North Attleboro, MA 02760 / US | 02 /
SILVA, Richard, A. 587 Greendale Avenue Needham, MA 02492 / US | [2021/38] | Representative(s) | Marks & Clerk LLP 15 Fetter Lane London EC4A 1BW / GB | [2024/11] |
| Former [2021/38] | McNab, Donald C. Marks & Clerk LLP 40 Torphichen Street Edinburgh EH3 8JB / GB | Application number, filing date | 19817455.9 | 11.11.2019 | [2021/38] | WO2019US60677 | Priority number, date | US201862758814P | 12.11.2018 Original published format: US 201862758814 P | [2021/38] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2020102051 | Date: | 22.05.2020 | Language: | EN | [2020/21] | Type: | A1 Application with search report | No.: | EP3880681 | Date: | 22.09.2021 | Language: | EN | The application published by WIPO in one of the EPO official languages on 22.05.2020 takes the place of the publication of the European patent application. | [2021/38] | Type: | B1 Patent specification | No.: | EP3880681 | Date: | 13.03.2024 | Language: | EN | [2024/11] | Search report(s) | International search report - published on: | EP | 22.05.2020 | Classification | IPC: | C07D487/04, C07C231/12, C07C319/22 | [2021/38] | CPC: |
C07C231/12 (EP,IL,KR,US);
C07D519/00 (IL,US);
A61K31/551 (KR);
C07C233/07 (IL,US);
C07C237/22 (IL,KR);
C07C319/20 (IL,US);
C07C319/22 (EP,IL,KR);
C07C321/20 (IL,US);
C07C323/25 (IL,KR);
C07D487/04 (EP,IL,KR,US)
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| C-Set: |
C07C231/12, C07C237/22 (EP);
C07C319/22, C07C323/25 (EP) | Designated contracting states | AL, 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 [2021/38] | Extension states | BA | 05.05.2021 | ME | 05.05.2021 | Validation states | KH | 05.05.2021 | MA | 05.05.2021 | MD | 05.05.2021 | TN | 05.05.2021 | Title | German: | VERFAHREN ZUR HERSTELLUNG VON ZYTOSTATISCHEN BENZODIAZEPINDERIVATEN | [2021/38] | English: | METHODS OF PREPARING CYTOTOXIC BENZODIAZEPINE DERIVATIVES | [2021/38] | French: | PROCÉDÉS DE PRÉPARATION DE DÉRIVÉS DE BENZODIAZÉPINE CYTOTOXIQUES | [2021/38] | Entry into regional phase | 05.05.2021 | National basic fee paid | 05.05.2021 | Designation fee(s) paid | 05.05.2021 | Examination fee paid | Examination procedure | 05.05.2021 | Examination requested [2021/38] | 05.05.2021 | Date on which the examining division has become responsible | 31.12.2021 | Amendment by applicant (claims and/or description) | 29.04.2022 | Despatch of a communication from the examining division (Time limit: M06) | 08.11.2022 | Reply to a communication from the examining division | 23.12.2022 | Despatch of a communication from the examining division (Time limit: M04) | 02.05.2023 | Reply to a communication from the examining division | 27.09.2023 | Communication of intention to grant the patent | 06.02.2024 | Fee for grant paid | 06.02.2024 | Fee for publishing/printing paid | 06.02.2024 | Receipt of the translation of the claim(s) | Divisional application(s) | EP24163044.1 | Fees paid | Renewal fee | 29.11.2021 | Renewal fee patent year 03 | 28.11.2022 | Renewal fee patent year 04 | 27.11.2023 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Cited in | International search | [I]WO2017015496 (IMMUNOGEN INC [US]) [I] 1-18 * claims 105,110,171,194 *; | [I]WO2017015495 (IMMUNOGEN INC [US]) [I] 19-36* claims 105,110,171,194 * | by applicant | WO2012128868 |