CAMPTOTHECIN-DERIVATE

European patent · EP3958977 · In force

Register entry

Publication number
EP3958977
Application number
EP20722197
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Apr 10, 2020
Published
Mar 2, 2022
Granted
Sep 13, 2023
Protection ends at the latest
Apr 9, 2040
Next annual fee due
Apr 30, 2027
IPC classes
A61P 35/00 (2006.01)
C07D 491/22 (2006.01)
A61K 31/4375 (2006.01)
A61K 47/50 (2017.01)
Priority
US 201962839440 P 26.04.2019
US 201962875169 P 17.07.2019
US 202062978159 P 18.02.2020
PCT application
PCT/US2020/027831 10.04.2020
PCT publication
WO2020/219287 29.10.2020
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. May 1, 2026

    Change

    Published in Swissreg on 01.05.2026

  2. May 1, 2025

    Change

    Published in Swissreg on 01.05.2025

  3. Jul 24, 2024

    Change

    Published in Swissreg on 24.07.2024

  4. May 1, 2024

    Change

    Published in Swissreg on 01.05.2024

  5. Dec 13, 2023

    Agent entered

    Representative
    Servopatent GmbH, Bühlstrasse 1, 8125 Zollikerberg

    Published in Swissreg on 13.12.2023

  6. Sep 13, 2023

    Granted

    Published in Swissreg on 13.09.2023

Parties

Holder

ImmunoGen, Inc.

830 Winter Street, Waltham, MA 02451-1477, US

Agent

Servopatent GmbH

Bühlstrasse 1, 8125 Zollikerberg

Inventor

PLEYNET, David, P.

Newton, MA 02465, US

WIDDISON, Wayne, C.

Belmont, MA 02478, US

CHARI, Ravi

Newton Highlands, MA 02461, US

LI, Wei

Acton, MA 01720, US

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.