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The patent EP3258951 was granted to Compugen on Jan 29, 2020. The application was filed on Feb 19, 2016 under application number EP16707603A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| WITEK | Oct 29, 2020 | WITEK | ADMISSIBLE |
| SURFACE ONCOLOGY | Oct 28, 2020 | BHOGAL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0154316 |
| DESCRIPTION | EP0401384 |
| DESCRIPTION | EP1176195 |
| DESCRIPTION | US2004110704 |
| DESCRIPTION | US3773919 |
| DESCRIPTION | US4485045 |
| DESCRIPTION | US4544545 |
| DESCRIPTION | US5013556 |
| DESCRIPTION | US5057313 |
| DESCRIPTION | US5624821 |
| DESCRIPTION | US5648260 |
| DESCRIPTION | US5677425 |
| DESCRIPTION | US5811097 |
| DESCRIPTION | US5837243 |
| DESCRIPTION | US5869046 |
| DESCRIPTION | US5922845 |
| DESCRIPTION | US6121022 |
| DESCRIPTION | US6165745 |
| DESCRIPTION | US6194551 |
| DESCRIPTION | US6277375 |
| DESCRIPTION | US6331175 |
| DESCRIPTION | US7371826 |
| DESCRIPTION | US8883973 |
| DESCRIPTION | WO0029004 |
| DESCRIPTION | WO0042072 |
| DESCRIPTION | WO03035835 |
| DESCRIPTION | WO2004091658 |
| DESCRIPTION | WO2009126688 |
| DESCRIPTION | WO9429351 |
| DESCRIPTION | WO9738731 |
| DESCRIPTION | WO9954342 |
| INTERNATIONAL-SEARCH-REPORT | EP2067791 |
| INTERNATIONAL-SEARCH-REPORT | WO2004058805 |
| INTERNATIONAL-SEARCH-REPORT | WO2012178128 |
| OPPOSITION | EP2067791 |
| OPPOSITION | US2014056890 |
| OPPOSITION | WO2004058805 |
| OPPOSITION | WO2012178128 |
| OPPOSITION | WO2013184912 |
| OPPOSITION | WO2016134333 |
| OPPOSITION | WO2017041004 |
| OTHER | EP3258951 |
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
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Appeal
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Reply to appeal
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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Dec 19, 2019
Change to the inventor details
Search/Exam
Dec 13, 2019
(Electronic) Receipt
Search/Exam
Dec 13, 2019
Filing of the translations of the claims
Search/Exam
Dec 13, 2019
French translation of claims
Search/Exam
Dec 13, 2019
German translation of the claims
Search/Exam
Dec 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 24, 2019
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Intention to grant (signatures)
Search/Exam
Sep 24, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 24, 2019
Jul 10, 2019
Advice of delivery
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Jul 10, 2019
Annex to the communication
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Jul 10, 2019
Consultation by telephone/in person
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Jul 10, 2019
Jul 9, 2019
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(Electronic) Receipt
Search/Exam
Jul 8, 2019
Amended claims with annotations
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Jul 8, 2019
Amended description with annotations
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Jul 8, 2019
Claims
Search/Exam
Jul 8, 2019
Description
Search/Exam
Jul 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 8, 2019
Jun 27, 2019
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(Electronic) Receipt
Search/Exam
Apr 30, 2019
Amended claims with annotations
Search/Exam
Apr 30, 2019
Amended drawings with annotations
Search/Exam
Apr 30, 2019
Amended drawings with annotations
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Apr 30, 2019
Amended drawings with annotations
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Apr 30, 2019
Claims
Search/Exam
Apr 30, 2019
Converted Sequence Listing
Search/Exam
Apr 30, 2019
Drawings
Search/Exam
Apr 30, 2019
Drawings
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Apr 30, 2019
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Apr 30, 2019
Letter accompanying subsequently filed items
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Apr 30, 2019
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(Electronic) Receipt
Search/Exam
Apr 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 2, 2019
Observations by third parties
Search/Exam
Feb 5, 2019
(Electronic) Receipt
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Feb 5, 2019
Amended claims with annotations
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Feb 5, 2019
Claims
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Feb 5, 2019
Letter accompanying subsequently filed items
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Feb 5, 2019
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RO101 Declaration
Search/Exam
Feb 5, 2019
RO101 Declaration
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Feb 5, 2019
Feb 1, 2019
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Jan 24, 2019
(Electronic) Receipt
Search/Exam
Jan 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2019
Observations by third parties
Search/Exam
Dec 7, 2018
Advice of delivery
Search/Exam
Dec 6, 2018
Advice of delivery
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Nov 30, 2018
Annex to the communication
Search/Exam
Nov 30, 2018
Summons to attend oral proceedings
Search/Exam
Aug 6, 2018
Amended claims with annotations
Search/Exam
Aug 6, 2018
Claims
Search/Exam
Aug 6, 2018
Jul 3, 2018
Annex to the communication
Search/Exam
Jul 3, 2018
Communication from the Examining Division
Search/Exam
Jun 27, 2018
Examination started
Search/Exam
Feb 23, 2018
Feb 23, 2018
Feb 16, 2018
(Electronic) Receipt
Search/Exam
Feb 16, 2018
(Electronic) Receipt
Search/Exam
Feb 16, 2018
(Electronic) Receipt
Search/Exam
Feb 16, 2018
Feb 16, 2018
Amended claims with annotations
Search/Exam
Feb 16, 2018
Amendments received before examination
Search/Exam
Feb 16, 2018
Authorisation
Search/Exam
Feb 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2018
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Letter which had not been notified
Search/Exam
Nov 15, 2017
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Letter which had not been notified
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Nov 13, 2017
Letter which had not been notified
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Nov 13, 2017
Letter which had not been notified
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Nov 11, 2017
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Nov 10, 2017
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Nov 9, 2017
Letter which had not been notified
Search/Exam
Oct 16, 2017
Communication to designated inventor
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Oct 16, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Oct 16, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Oct 16, 2017
Communication to designated inventor
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Oct 16, 2017
Communication to designated inventor
Search/Exam
Sep 19, 2017
(Electronic) Receipt
Search/Exam
Sep 19, 2017
Sep 19, 2017
Amendments received before examination
Search/Exam
Sep 19, 2017
Converted Sequence Listing
Search/Exam
Sep 19, 2017
Request for entry into the European phase
Search/Exam
Sep 5, 2017
Jun 30, 2017
Information on entry into European phase
Search/Exam
Mar 30, 2017
Mar 30, 2017
Notification of the recording of a change
Search/Exam
Feb 2, 2017
Copy of the international search report
Search/Exam
Feb 2, 2017
Published international application - A9
Search/Exam
Jan 17, 2017
Dec 19, 2016
Dec 19, 2016
Sep 14, 2016
Sep 14, 2016
Sep 14, 2016
Aug 25, 2016
Copy of the international search report
Search/Exam
Aug 25, 2016
Published international application - A1
Search/Exam
Jul 29, 2016
Jul 26, 2016
Jul 19, 2016
Jul 19, 2016
Jul 19, 2016
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Jun 16, 2016
Jun 2, 2016
ISR: cited documents
PCTISA
Jun 1, 2016
Jun 1, 2016
Jun 1, 2016
May 6, 2016
Annex
PCTISA
May 6, 2016
May 6, 2016
May 5, 2016
(Electronic) Receipt
PCTISA
May 5, 2016
May 5, 2016
Apr 6, 2016
Apr 6, 2016
Mar 21, 2016
Mar 4, 2016
Abstract
PCTISA
Mar 4, 2016
Annex
PCTISA
Mar 4, 2016
Claims
PCTISA
Mar 4, 2016
Description
PCTISA
Mar 4, 2016
Drawings
PCTISA
Mar 4, 2016
Mar 4, 2016
Mar 4, 2016
Mar 4, 2016
Mar 4, 2016