Patent details

Basic Information

Publication number:

EP2621496

PCT Application Number:

SE2011051161

Type:

European Patent Granted for LU

Legal Status:

In force

Application number:

EP118296862

PCT Publication Number:

WO2012044243

First applicant's nationality:

Translation Language:

EPO Publication Language:

English

English Title of Invention:

CRYSTALLINE NALOXOL-PEG CONJUGATE

French Title of Invention:

CONJUGUÉ CRISTALLIN DE NALOXOL-PEG

German Title of Invention:

KRISTALLINES NALOXOL-PEG-KONJUGAT

SPC Number:

Dates

Filing date:

29/09/2011

Grant date:

16/12/2015

EP Publication Date:

07/08/2013

PCT Publication Date:

05/04/2012

Claims Translation Received Date:

Translations Received Date (B1 EP Publication):

Translations Received Date (B2 EP Publication):

Translations Received Date (B3 EP Publication):

Publication date:

07/08/2013

EP B1 Publication Date:

16/12/2015

EP B2 Publication Date:

12/12/2018

EP B3 Publication Date:

Lapsed date:

Expiration date:

29/09/2031

Renunciation date:

Revocation date:

Annulment date:

Owner

From:

17/06/2025

 

 

Name:

GRÜNENTHAL GMBH

Address:

Zieglerstraße 6, 52078, Aachen, Germany (DE)

From:

05/12/2018

 

 

Name:

Nektar Therapeutics

Address:

455 Mission Bay Boulevard South, Suite 100, San Francisco, CA 94185, United States (US)

History of Owners

From:

05/12/2018

To:

17/06/2025

Name:

AstraZeneca AB

Address:

Forskargatan 18, 151 85 Södertälje, Sweden (SE)

Agent

Name:

ARONOVA S.A.

From:

24/12/2015

Address:

PO Box 327, 4004, ESCH-SUR-ALZETTE, Luxembourg (LU)

To:

Inventor

1

Name:

JENSEN, David Richard

Address:

United States (US)

2

Name:

YMÉN, Bo Ingvar

Address:

Sweden (SE)

3

Name:

LECHUGA-BALLESTEROS, David

Address:

United States (US)

4

Name:

BOHLIN, Martin Hans

Address:

Sweden (SE)

5

Name:

PARENT, Stephan

Address:

United States (US)

6

Name:

AURELL, Carl-Johan

Address:

Sweden (SE)

7

Name:

JONAITIS, David Thomas

Address:

United States (US)

8

Name:

ÅSLUND, Bengt Leonard

Address:

Sweden (SE)

9

Name:

SEBHATU, Tesfai

Address:

Sweden (SE)

10

Name:

HEALY, Eric Thomas

Address:

United States (US)

Priority

Priority Number:

388501 P

Priority Date:

30/09/2010

Priority Country:

United States (US)

Classification

IPC classification:

A61K 47/48; A61P 39/00; C07D 489/04;

Publication

Bulletin

Bulletin Heading:

CO

Bulletin edition number:

2025/08

Publication date:

03/07/2025

Description:

Section M : Transfers of property (Art. 53 of the law), change of name and/or address

European Patent Bulletin

1

Issue number:

201850

Publication date:

12/12/2018

Description:

Patent maintained (B2 publication)

2

Issue number:

201907

Publication date:

13/02/2019

Description:

International Patent Classification Changed

3

Issue number:

202228

Publication date:

13/07/2022

Description:

Inventor(s) changed

Deed

Change of owner(s)

Change Kind/ Decision Type:

Change of ownership

Deed Number:

RC20250000201A

Date Registered:

17/06/2025

Licence Effective Date:

Licence Expiration Date:

Scope of Licence:

Deed Filer:

MARKS & CLERK LLP

Journal Edition Number:

Text:

Country Code:

Updated Licence Number:

Terminated Licence Number:

Added Owner(s)

1

Name:

Nektar Therapeutics

Address:

455 Mission Bay Boulevard South, Suite 100, San Francisco, CA 94185, United States (US)

2

Name:

GRÜNENTHAL GMBH

Address:

Zieglerstraße 6, 52078, Aachen, Germany (DE)

Removed Pledgee

Name:

Address:

Annual Fees

Annual Fee Due Date:

30/09/2025

Annual Fee Number:

15

Annual Fee Amount:

213 Euro

Expected Payer:

Last Annual Fee Payment Date:

13/09/2024

Last Annual Fee Paid Number:

14

Last Annual Fee Paid Amount:

198 Euro

Payer:

CPA GLOBAL THE IP PLATFORM

Filing date	Document type	Number of pages
17/06/2025	Request For Change	5
18/06/2025	Outgoing Correspondence	1