The weekly litigation news digest is live. Subscribe now
The patent EP2776129 was granted to KAI Pharmaceuticals on Jun 17, 2020. The application was filed on Nov 12, 2012 under application number EP12791926A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| HEXAL SANDOZ | Dec 22, 2017 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2009023652 |
| DESCRIPTION | US2011028394 |
| DESCRIPTION | US5246925 |
| DESCRIPTION | US5304121 |
| DESCRIPTION | US5587497 |
| DESCRIPTION | US5602116 |
| DESCRIPTION | US5861386 |
| DESCRIPTION | US5869473 |
| DESCRIPTION | US5886026 |
| DESCRIPTION | US6011068 |
| DESCRIPTION | US6031003 |
| DESCRIPTION | US6051567 |
| DESCRIPTION | US6099562 |
| DESCRIPTION | US6265392 |
| DESCRIPTION | US6274169 |
| DESCRIPTION | US6903083 |
| INTERNATIONAL-SEARCH-REPORT | US2011028394 |
| OPPOSITION | WO2011014707 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents
May 25, 2020
May 25, 2020
May 15, 2020
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Feb 6, 2020
Feb 6, 2020
Drawings
OPPO
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Nov 4, 2019
Nov 4, 2019
Nov 4, 2019
Oct 10, 2019
Oct 8, 2019
Refund of fees
Appeal
Oct 7, 2019
Sep 26, 2019
Sep 25, 2019
Sep 18, 2019
(Electronic) Receipt
Appeal
Sep 18, 2019
Sep 18, 2019
Withdrawal of an appeal
Appeal
Aug 5, 2019
Jul 30, 2019
Processing of an appeal
Appeal
Jul 26, 2019
(Electronic) Receipt
Appeal
Jul 26, 2019
Jul 26, 2019
Notice of appeal
Appeal
May 27, 2019
May 24, 2019
May 23, 2019
May 23, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
Means of redress
OPPO
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
May 17, 2019
Apr 2, 2019
Mar 13, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Feb 7, 2019
Feb 7, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Claims
OPPO
Feb 1, 2019
Claims
OPPO
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Jan 28, 2019
Jan 28, 2019
Jan 28, 2019
Aug 16, 2018
Aug 6, 2018
Aug 2, 2018
Aug 1, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
Jul 30, 2018
May 30, 2018
May 30, 2018
May 25, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
Authorisation
OPPO
May 18, 2018
May 18, 2018
May 18, 2018
Claims
OPPO
May 18, 2018
Claims
OPPO
May 18, 2018
Claims
OPPO
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
May 18, 2018
Jan 12, 2018
Jan 12, 2018
Jan 9, 2018
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Mar 30, 2017
Mar 2, 2017
Decision to grant a European patent
Search/Exam
Feb 17, 2017
(Electronic) Receipt
Search/Exam
Feb 17, 2017
Filing of the translations of the claims
Search/Exam
Feb 17, 2017
French translation of claims
Search/Exam
Feb 17, 2017
German translation of the claims
Search/Exam
Feb 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 31, 2016
Oct 31, 2016
Oct 31, 2016
Intention to grant (signatures)
Search/Exam
Oct 31, 2016
Text intended for grant (clean copy)
Search/Exam
Oct 31, 2016
Text intended for grant (sequence listing)
Search/Exam
Oct 31, 2016
Sep 28, 2016
Sep 19, 2016
(Electronic) Receipt
Search/Exam
Sep 19, 2016
Amended description with annotations
Search/Exam
Sep 19, 2016
Description
Search/Exam
Sep 19, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 19, 2016
Sep 12, 2016
Annex to a communication
Search/Exam
Sep 12, 2016
Annex to the communication
Search/Exam
Sep 12, 2016
Sep 5, 2016
Aug 31, 2016
(Electronic) Receipt
Search/Exam
Aug 31, 2016
Amended claims with annotations
Search/Exam
Aug 31, 2016
Amended description with annotations
Search/Exam
Aug 31, 2016
Claims
Search/Exam
Aug 31, 2016
Description
Search/Exam
Aug 31, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2016
Apr 29, 2016
Advice of delivery
Search/Exam
Apr 25, 2016
Acknowledgement of a document
Search/Exam
Apr 25, 2016
Annex to the communication
Search/Exam
Apr 25, 2016
Summons to attend oral proceedings
Search/Exam
Apr 18, 2016
Preparation for oral proceedings
Search/Exam
Dec 15, 2015
(Electronic) Receipt
Search/Exam
Dec 15, 2015
Amended claims with annotations
Search/Exam
Dec 15, 2015
Claims
Search/Exam
Dec 15, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2015
Dec 15, 2015
Dec 15, 2015
Aug 10, 2015
Annex to the communication
Search/Exam
Aug 10, 2015
Communication from the Examining Division
Search/Exam
Aug 4, 2015
Examination started
Search/Exam
Dec 18, 2014
(Electronic) Receipt
Search/Exam
Dec 18, 2014
Dec 18, 2014
Amended claims with annotations
Search/Exam
Dec 18, 2014
Amendments received before examination
Search/Exam
Dec 18, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 20, 2014
Jun 18, 2014
Jun 13, 2014
Communication to designated inventor
Search/Exam
Jun 13, 2014
Communication to designated inventor
Search/Exam
Jun 13, 2014
Communication to designated inventor
Search/Exam
Jun 2, 2014
May 8, 2014
(Electronic) Receipt
Search/Exam
May 8, 2014
Matter concerning the application
Search/Exam
May 8, 2014
Request for entry into the European phase
Search/Exam
Mar 21, 2014
Information on entry into European phase
Search/Exam
Jun 7, 2013
May 16, 2013
Converted Sequence Listing
Search/Exam
May 16, 2013
Copy of the international search report
Search/Exam
May 16, 2013
Published international application - A1
Search/Exam
Mar 1, 2013
Mar 1, 2013
Mar 1, 2013
Nov 21, 2012
Abstract
PCTISA
Nov 21, 2012
Claims
PCTISA
Nov 21, 2012
Description
PCTISA
Nov 21, 2012
Drawings
PCTISA
Nov 21, 2012
Sequence listing
PCTISA