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Multiplex Assay For Improved Scoring Of Tumor Tissues Stained For Pd-L1

Patent No. EP3149481 (titled "Multiplex Assay For Improved Scoring Of Tumor Tissues Stained For Pd-L1") was filed by Ventana Medical Systems on May 29, 2015. The application was issued on Jan 9, 2019.

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Patent Oppositions

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
CMS CAMERON MCKENNA NABARRO OLSWANG	Oct 9, 2019	CMS CAMERON MCKENNA NABARRO OLSWANG

Dossier Documents

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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Oct 31, 2023
Advice of delivery
Oct 27, 2023
Decision of the Board of Appeal
Oct 27, 2023
F3032 Notification(s) of the decision
Oct 27, 2023
F3032 Notification(s) of the decision
Jul 19, 2023
F3013 Oral Proceedings: Forwarding minutes
Jul 19, 2023
F3013 Oral Proceedings: Forwarding minutes
Jul 19, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jul 10, 2023
F3345 Forwarding of submissions to parties
Jul 7, 2023
(Electronic) Receipt
Jul 7, 2023
Citation in appeal procedure - 021
Jul 7, 2023
Citation in appeal procedure - 022
Jul 7, 2023
Letter accompanying subsequently filed items
Jul 7, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 23, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 23, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 16, 2023
F3345 Forwarding of submissions to parties
Jun 14, 2023
(Electronic) Receipt
Jun 14, 2023
Letter accompanying subsequently filed items
Jun 14, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 13, 2023
F3345 Forwarding of submissions to parties
Jun 7, 2023
(Electronic) Receipt
Jun 7, 2023
Letter accompanying subsequently filed items
Jun 7, 2023
Letter dealing with oral proceedings during the appeal procedure
May 16, 2023
F3345 Forwarding of submissions to parties
May 10, 2023
(Electronic) Receipt
May 10, 2023
Letter accompanying subsequently filed items
May 10, 2023
Letter dealing with oral proceedings during the appeal procedure
Mar 1, 2023
Advice of delivery
Feb 27, 2023
F3011.1 Oral Proceedings: summons
Feb 27, 2023
F3011.1 Oral Proceedings: summons
Feb 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 22, 2023
F3010 Oral proceedings: order for summons
Feb 22, 2023
F3303.16 Change of composition of the Board (T)
Feb 20, 2023
Consolidated list of documents cited in appeal procedure
Nov 30, 2022
Document concerning representation
Nov 3, 2022
Composition of the board (T)
Jul 13, 2022
F3057 Communication: Change of responsibility of a Board of Appeal
Jul 13, 2022
F3057 Communication: Change of responsibility of a Board of Appeal
Jun 2, 2022
F3345 Forwarding of submissions to parties
May 25, 2022
(Electronic) Receipt
May 25, 2022
Citation in appeal procedure - 019
May 25, 2022
Citation in appeal procedure - 020
May 25, 2022
Letter accompanying subsequently filed items
May 25, 2022
Letter relating to Appeal Procedure
Feb 15, 2022
Communication of amended entries concerning the representative
Feb 15, 2022
F3345 Forwarding of submissions to parties
Feb 9, 2022
Letter accompanying subsequently filed items
Feb 9, 2022
Submission concerning change of applicant's representative
Jan 11, 2022
F3345 Forwarding of submissions to parties
Dec 22, 2021
(Electronic) Receipt
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Amended claims with annotations
Dec 22, 2021
Auxiliary request during appeals procedure - 01
Dec 22, 2021
Auxiliary request during appeals procedure - 02
Dec 22, 2021
Auxiliary request during appeals procedure - 03
Dec 22, 2021
Auxiliary request during appeals procedure - 04
Dec 22, 2021
Auxiliary request during appeals procedure - 05
Dec 22, 2021
Auxiliary request during appeals procedure - 06
Dec 22, 2021
Auxiliary request during appeals procedure - 07
Dec 22, 2021
Auxiliary request during appeals procedure - 08
Dec 22, 2021
Auxiliary request during appeals procedure - 09
Dec 22, 2021
Letter accompanying subsequently filed items
Dec 22, 2021
Reply to appeal
Aug 26, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 20, 2021
(Electronic) Receipt
Aug 20, 2021
Citation in appeal procedure - 015
Aug 20, 2021
Citation in appeal procedure - 016
Aug 20, 2021
Citation in appeal procedure - 017
Aug 20, 2021
Citation in appeal procedure - 018
Aug 20, 2021
Letter accompanying subsequently filed items
Aug 20, 2021
Statement of grounds of appeal
Jul 14, 2021
F3204 Communication of the file number to the parties
Jul 14, 2021
F3204 Communication of the file number to the parties
Jun 22, 2021
(Electronic) Receipt
Jun 22, 2021
Letter accompanying subsequently filed items
Jun 22, 2021
Notice of appeal
Apr 14, 2021
Advice of delivery
Apr 13, 2021
Advice of delivery
Apr 12, 2021
Annex to the communication - opposition
Apr 12, 2021
Decision of the Opposition Division and instruction
Apr 12, 2021
Decision rejecting the opposition
Apr 12, 2021
Decision rejecting the opposition
Apr 12, 2021
Grounds for the decision (Annex) - opposition
Apr 12, 2021
Internal form - Opposition/addressees
Apr 12, 2021
Internal form - Opposition/addressees
Apr 12, 2021
Means of redress
Apr 12, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 12, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 12, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 12, 2021
Provision of a copy of the minutes - opposition procedure
Apr 12, 2021
Provision of a copy of the minutes - opposition procedure
Apr 12, 2021
Scanned annex to a communication - opposition procedure
Apr 12, 2021
Transmittal of decision / summons - opposition
Apr 12, 2021
Transmittal of decision / summons - opposition
Feb 15, 2021
Information about the result of oral proceedings
Feb 8, 2021
Brief communication - Opposition proceedings
Feb 5, 2021
(Electronic) Receipt
Feb 5, 2021
Citation in opposition procedure - 014
Feb 5, 2021
Consolidated list of cited opposition documents
Feb 5, 2021
Letter accompanying subsequently filed items
Feb 5, 2021
Written submission in preparation to/during oral proceedings
Dec 18, 2020
Brief communication - Opposition proceedings
Dec 18, 2020
Brief communication - Opposition proceedings
Dec 16, 2020
Brief communication - Opposition proceedings
Dec 15, 2020
(Electronic) Receipt
Dec 15, 2020
Letter accompanying subsequently filed items
Dec 15, 2020
Written submission in preparation to/during oral proceedings
Dec 11, 2020
(Electronic) Receipt
Dec 11, 2020
Auxiliary request during Opposition procedure
Dec 11, 2020
Auxiliary request during Opposition procedure
Dec 11, 2020
Auxiliary request during Opposition procedure
Dec 11, 2020
Auxiliary request during Opposition procedure - 04
Dec 11, 2020
Auxiliary request during Opposition procedure - 06
Dec 11, 2020
Auxiliary request during Opposition procedure - 07
Dec 11, 2020
Citation in opposition procedure - 003
Dec 11, 2020
Citation in opposition procedure - 003
Dec 11, 2020
Citation in opposition procedure - 012
Dec 11, 2020
Citation in opposition procedure - 013
Dec 11, 2020
Letter accompanying subsequently filed items
Dec 11, 2020
Written submission in preparation to/during oral proceedings
Dec 9, 2020
Notification concerning the date of oral proceedings
Dec 9, 2020
Notification concerning the date of oral proceedings
Jul 27, 2020
Advice of delivery
Jul 22, 2020
Communication about missing advice of delivery
Jun 15, 2020
Advice of delivery
Jun 10, 2020
Acknowledgement of a document
Jun 10, 2020
Annex to the communication - opposition
Jun 10, 2020
Information concerning oral proceedings
Jun 10, 2020
Summons to attend oral proceedings
Jun 10, 2020
Summons to attend oral proceedings
Jun 3, 2020
Brief communication - Opposition proceedings
Jun 3, 2020
Scanned annex to a communication - opposition procedure
May 27, 2020
(Electronic) Receipt
May 27, 2020
Letter accompanying subsequently filed items
May 27, 2020
Letter regarding the opposition procedure (no time limit)
Mar 9, 2020
Brief communication - Opposition proceedings
Mar 9, 2020
Communication concerning the filing of a power of attorney
Mar 9, 2020
Communication of amended entries concerning the representative
Mar 2, 2020
(Electronic) Receipt
Mar 2, 2020
(Electronic) Receipt
Mar 2, 2020
(Electronic) Receipt
Mar 2, 2020
Amended claims with annotations
Mar 2, 2020
Amended claims with annotations
Mar 2, 2020
Amended claims with annotations
Mar 2, 2020
Amended claims with annotations
Mar 2, 2020
Amended claims with annotations
Mar 2, 2020
Amended claims with annotations
Mar 2, 2020
Any annexes (other than citation) to an opposition letter
Mar 2, 2020
Authorisation
Mar 2, 2020
Auxiliary request during Opposition procedure - 01
Mar 2, 2020
Auxiliary request during Opposition procedure - 02
Mar 2, 2020
Auxiliary request during Opposition procedure - 03
Mar 2, 2020
Auxiliary request during Opposition procedure - 04
Mar 2, 2020
Auxiliary request during Opposition procedure - 05
Mar 2, 2020
Auxiliary request during Opposition procedure - 06
Mar 2, 2020
Citation in opposition procedure
Mar 2, 2020
Citation in opposition procedure - 004
Mar 2, 2020
Citation in opposition procedure - 009
Mar 2, 2020
Citation in opposition procedure - 010
Mar 2, 2020
Citation in opposition procedure - 011
Mar 2, 2020
Letter accompanying subsequently filed items
Mar 2, 2020
Letter accompanying subsequently filed items
Mar 2, 2020
Letter accompanying subsequently filed items
Mar 2, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 2, 2020
Submission concerning change of applicant's representative
Oct 23, 2019
Communication of a notice of opposition and request to file observations
Oct 23, 2019
Notice of further oppositions to opponent(s)
Oct 14, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 9, 2019
(Electronic) Receipt
Oct 9, 2019
Any annexes (other than citation) to an opposition letter
Oct 9, 2019
Citation in opposition procedure - 001
Oct 9, 2019
Citation in opposition procedure - 002
Oct 9, 2019
Citation in opposition procedure - 003
Oct 9, 2019
Citation in opposition procedure - 004
Oct 9, 2019
Citation in opposition procedure - 005
Oct 9, 2019
Citation in opposition procedure - 006
Oct 9, 2019
Citation in opposition procedure - 007
Oct 9, 2019
Citation in opposition procedure - 008
Oct 9, 2019
International publication (Pamphlet)
Oct 9, 2019
Notice of opposition
Oct 9, 2019
Notice of opposition
May 23, 2019
Submission concerning representation
Jan 21, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 13, 2018
Decision to grant a European patent
Nov 23, 2018
(Electronic) Receipt
Nov 23, 2018
Filing of the translations of the claims
Nov 23, 2018
French translation of claims
Nov 23, 2018
German translation of the claims
Aug 6, 2018
Bibliographic data of the European patent application
Aug 6, 2018
Communication about intention to grant a European patent
Aug 6, 2018
Text intended for grant (clean copy)
Aug 6, 2018
Text intended for grant (version for approval)
Jul 3, 2018
(Electronic) Receipt
Jul 3, 2018
Amended claims with annotations
Jul 3, 2018
Amended description with annotations
Jul 3, 2018
Claims
Jul 3, 2018
Description
Jul 3, 2018
Letter accompanying subsequently filed items
Jul 3, 2018
Reply to communication from the Examining Division
May 16, 2018
Annex to the communication
May 16, 2018
Communication from the Examining Division
Mar 28, 2018
(Electronic) Receipt
Mar 28, 2018
Amended claims with annotations
Mar 28, 2018
Claims
Mar 28, 2018
Letter accompanying subsequently filed items
Mar 28, 2018
Reply to communication from the Examining Division
Dec 19, 2017
Annex to the communication
Dec 19, 2017
Communication from Examining division including search results r.164(2)(b) EPC
Dec 19, 2017
Information on Search Strategy
Dec 19, 2017
Search results under rule 164(2)(b) EPC
Dec 13, 2017
Search started
Oct 16, 2017
(Electronic) Receipt
Oct 16, 2017
Letter concerning search matters
Sep 21, 2017
Annex to the communication
Sep 21, 2017
Communication from the examining division with an Invitation to pay a search fee(s)
Sep 15, 2017
Examination started
Mar 8, 2017
Notification on forthcoming publication of bibliographic data
Jan 20, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jan 18, 2017
Communication to designated inventor
Jan 18, 2017
Communication to designated inventor
Jan 18, 2017
Communication to designated inventor
Dec 19, 2016
Copy of the international preliminary report on patentability
Oct 20, 2016
(Electronic) Receipt
Oct 20, 2016
Amended claims filed after receipt of (European) search report
Oct 20, 2016
Amended claims with annotations
Oct 20, 2016
Request for entry into the European phase
Oct 7, 2016
Information on entry into European phase
Feb 11, 2016
Copy of the international search report
Feb 11, 2016
International publication of the international search report
Jan 4, 2016
Priority document (electronically transmitted)
Dec 22, 2015
ISR: cited documents
Dec 17, 2015
Written opinion of the ISA, boxes No. I to VIII
Dec 17, 2015
Written opinion of the ISA, cover sheet
Dec 17, 2015
Written opinion of the ISA, supplemental box
Dec 3, 2015
Published international application - A2
Aug 24, 2015
Partial International Search Report
May 29, 2015
(Electronic) Receipt
May 29, 2015
Abstract
May 29, 2015
Claims
May 29, 2015
Description
May 29, 2015
Drawings

EP3149481

VENTANA MEDICAL SYSTEMS

Application Number: EP15727610A
Filing Date: May 29, 2015
Status: Revoked; Oct 31, 2023
Publication Date: Jan 9, 2019
External Links: Slate, Register , Google Patents