Patent details

Basic Information

Publication number:

EP3958977

PCT Application Number:

US2020027831

Type:

European Patent Granted for LU

Legal Status:

In force

Application number:

EP207221979

PCT Publication Number:

WO2020219287

First applicant's nationality:

Translation Language:

EPO Publication Language:

English

English Title of Invention:

CAMPTOTHECIN DERIVATIVES

French Title of Invention:

DÉRIVÉS DE CAMPTOTHÉCINE

German Title of Invention:

CAMPTOTHECIN-DERIVATE

SPC Number:

Dates

Filing date:

10/04/2020

Grant date:

13/09/2023

EP Publication Date:

02/03/2022

PCT Publication Date:

29/10/2020

Claims Translation Received Date:

Translations Received Date (B1 EP Publication):

Translations Received Date (B2 EP Publication):

Translations Received Date (B3 EP Publication):

Publication date:

13/09/2023

EP B1 Publication Date:

13/09/2023

EP B2 Publication Date:

EP B3 Publication Date:

Lapsed date:

Expiration date:

10/04/2040

Renunciation date:

Revocation date:

Annulment date:

Owner

From:

06/09/2023

 

 

Name:

ImmunoGen, Inc.

Address:

830 Winter Street, Waltham, MA 02451-1477, United States (US)

Agent

Name:

MARKS & CLERK LLP

From:

28/11/2023

Address:

BP 1775, 1017, LUXEMBOURG, Luxembourg (LU)

To:

Inventor

1

Name:

CHARI, Ravi

Address:

United States (US)

2

Name:

PLEYNET, David, P.

Address:

United States (US)

3

Name:

WIDDISON, Wayne, C.

Address:

United States (US)

4

Name:

LI, Wei

Address:

United States (US)

Priority

1

Priority Number:

201962839440 P

Priority Date:

26/04/2019

Priority Country:

United States (US)

2

Priority Number:

201962875169 P

Priority Date:

17/07/2019

Priority Country:

United States (US)

3

Priority Number:

202062978159 P

Priority Date:

18/02/2020

Priority Country:

United States (US)

Classification

IPC classification:

A61P 35/00; C07D 491/22; A61K 31/4375; A61K 47/50;

Publication

European Patent Bulletin

1

Issue number:

202337

Publication date:

13/09/2023

Description:

Grant (B1)

2

Issue number:

202342

Publication date:

18/10/2023

Description:

Application number/publication number of the divisional application (Art. 76) changed

Annual Fees

Annual Fee Due Date:

30/04/2026

Annual Fee Number:

7

Annual Fee Amount:

82 Euro

Expected Payer:

Last Annual Fee Payment Date:

19/03/2025

Last Annual Fee Paid Number:

6

Last Annual Fee Paid Amount:

66 Euro

Payer:

MASTER DATA CENTER INC (ex Clarivate Analytics)

Filing date	Document type	Number of pages
28/11/2023	Power Of Attorney	1
29/11/2023	Outgoing Correspondence	1