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Sofosbuvir In Crystalline Form And Process For Its Preparation

Patent No. EP3174889 (titled "Sofosbuvir In Crystalline Form And Process For Its Preparation") was filed by HC Pharma on Jul 29, 2015. The application was issued on Nov 20, 2019.

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
KELTIE	Aug 20, 2020	MOORE

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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Mar 15, 2024
Refund of fees
Mar 12, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 12, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 12, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 12, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 8, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Mar 5, 2024
F3345 Forwarding of submissions to parties
Mar 1, 2024
(Electronic) Receipt
Mar 1, 2024
Letter accompanying subsequently filed items
Mar 1, 2024
Letter relating to Appeal Procedure
Feb 28, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 28, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 28, 2024
F3345 Forwarding of submissions to parties
Feb 23, 2024
(Electronic) Receipt
Feb 23, 2024
Letter accompanying subsequently filed items
Feb 23, 2024
Withdrawal of an appeal
Jan 24, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 24, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 22, 2023
F3345 Forwarding of submissions to parties
Nov 20, 2023
(Electronic) Receipt
Nov 20, 2023
Letter accompanying subsequently filed items
Nov 20, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 25, 2023
F3011.2 Oral Proceedings: Summons VICO
Oct 25, 2023
F3011.2 Oral Proceedings: Summons VICO
Oct 23, 2023
F3010 Oral proceedings: order for summons
Oct 11, 2022
F3345 Forwarding of submissions to parties
Oct 4, 2022
(Electronic) Receipt
Oct 4, 2022
Letter accompanying subsequently filed items
Oct 4, 2022
Reply to appeal
May 25, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 22, 2022
Composition of the board (T)
May 20, 2022
(Electronic) Receipt
May 20, 2022
(Electronic) Receipt
May 20, 2022
All other documents for the Appeal procedure not covered by any other Code
May 20, 2022
Amended claims with annotations
May 20, 2022
Amended claims with annotations
May 20, 2022
Claims
May 20, 2022
Claims
May 20, 2022
Letter accompanying subsequently filed items
May 20, 2022
Letter accompanying subsequently filed items
May 20, 2022
Statement of grounds of appeal
May 20, 2022
Statement of grounds of appeal
May 20, 2022
Statement of grounds of appeal
Apr 25, 2022
F3204 Communication of the file number to the parties
Apr 25, 2022
F3204 Communication of the file number to the parties
Apr 14, 2022
(Electronic) Receipt
Apr 14, 2022
Letter accompanying subsequently filed items
Apr 14, 2022
Notice of appeal
Feb 17, 2022
Annex to the communication - opposition
Feb 17, 2022
Decision of the Opposition Division and instruction
Feb 17, 2022
Decision revoking the European patent
Feb 17, 2022
Decision revoking the European patent
Feb 17, 2022
Grounds for the decision (Annex) - opposition
Feb 17, 2022
Means of redress
Feb 17, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 17, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 17, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 17, 2022
Provision of a copy of the minutes - opposition procedure
Feb 17, 2022
Provision of a copy of the minutes - opposition procedure
Feb 17, 2022
Transmittal of decision / summons - opposition
Feb 17, 2022
Transmittal of decision / summons - opposition
Nov 17, 2021
Information about the result of oral proceedings
Oct 7, 2021
(Electronic) Receipt
Oct 7, 2021
Letter accompanying subsequently filed items
Oct 5, 2021
Brief communication - Opposition proceedings
Sep 27, 2021
Request for interpreters during oral proceedings
Sep 24, 2021
(Electronic) Receipt
Sep 24, 2021
Letter accompanying subsequently filed items
Sep 24, 2021
Written submission in preparation to/during oral proceedings
Sep 23, 2021
Brief communication - Opposition proceedings
Sep 17, 2021
(Electronic) Receipt
Sep 17, 2021
Brief communication - Opposition proceedings
Sep 17, 2021
Citation in opposition procedure - 012
Sep 17, 2021
Citation in opposition procedure - 013
Sep 17, 2021
Citation in opposition procedure - 013
Sep 17, 2021
Citation in opposition procedure - 013
Sep 17, 2021
Consolidated list of cited opposition documents
Sep 17, 2021
Letter accompanying subsequently filed items
Sep 17, 2021
Written submission in preparation to/during oral proceedings
Sep 14, 2021
(Electronic) Receipt
Sep 14, 2021
Citation in opposition procedure - 008
Sep 14, 2021
Citation in opposition procedure - 009
Sep 14, 2021
Citation in opposition procedure - 010
Sep 14, 2021
Citation in opposition procedure - 011
Sep 14, 2021
Letter accompanying subsequently filed items
Sep 14, 2021
Written submission in preparation to/during oral proceedings
Aug 4, 2021
Brief communication - Opposition proceedings
Jul 30, 2021
(Electronic) Receipt
Jul 30, 2021
Any annexes (other than citation) to an opposition letter
Jul 30, 2021
Any annexes (other than citation) to an opposition letter
Jul 30, 2021
Any annexes (other than citation) to an opposition letter
Jul 30, 2021
Any annexes (other than citation) to an opposition letter
Jul 30, 2021
Brief communication - Opposition proceedings
Jul 30, 2021
Letter accompanying subsequently filed items
Jul 30, 2021
Written submission in preparation to/during oral proceedings
Jul 22, 2021
(Electronic) Receipt
Jul 22, 2021
Letter accompanying subsequently filed items
Jul 22, 2021
Written submission in preparation to/during oral proceedings
May 21, 2021
(Electronic) Receipt
May 21, 2021
Advice of delivery
May 21, 2021
Letter accompanying subsequently filed items
May 17, 2021
Information concerning oral proceedings
May 17, 2021
Summons to attend oral proceedings
May 17, 2021
Summons to attend oral proceedings
May 17, 2021
Transmittal of decision / summons - opposition
May 17, 2021
Transmittal of decision / summons - opposition
May 14, 2021
Notification concerning the date of oral proceedings
May 14, 2021
Notification concerning the date of oral proceedings
May 11, 2021
Annex to the communication - opposition
May 5, 2021
(Electronic) Receipt
May 5, 2021
Advice of delivery
May 5, 2021
Letter accompanying subsequently filed items
May 4, 2021
Brief communication - Opposition proceedings
Apr 27, 2021
(Electronic) Receipt
Apr 27, 2021
Letter accompanying subsequently filed items
Apr 27, 2021
Oral proceedings: Request for postponement
Apr 9, 2021
Advice of delivery
Apr 8, 2021
Annex to the communication - opposition
Apr 8, 2021
Information concerning oral proceedings
Apr 8, 2021
Summons to attend oral proceedings
Apr 8, 2021
Summons to attend oral proceedings
Apr 8, 2021
Transmittal of decision / summons - opposition
Apr 8, 2021
Transmittal of decision / summons - opposition
Jan 22, 2021
Brief communication - Opposition proceedings
Jan 14, 2021
(Electronic) Receipt
Jan 14, 2021
Letter accompanying subsequently filed items
Jan 14, 2021
Reply of the patent proprietor to the notice(s) of opposition
Sep 17, 2020
Communication of a notice of opposition and request to file observations
Sep 17, 2020
Notice of further oppositions to opponent(s)
Sep 7, 2020
Communication of a notice of opposition - first information to patent proprietor
Aug 20, 2020
(Electronic) Receipt
Aug 20, 2020
Citation in opposition procedure - 001
Aug 20, 2020
Citation in opposition procedure - 002
Aug 20, 2020
Citation in opposition procedure - 003
Aug 20, 2020
Citation in opposition procedure - 004
Aug 20, 2020
Citation in opposition procedure - 005
Aug 20, 2020
Citation in opposition procedure - 006
Aug 20, 2020
Citation in opposition procedure - 007
Aug 20, 2020
Notice of opposition
Aug 20, 2020
Notice of opposition
Aug 20, 2020
Submission concerning representation
Dec 2, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 24, 2019
Decision to grant a European patent
Oct 24, 2019
Decision to grant a European patent
Sep 25, 2019
(Electronic) Receipt
Sep 25, 2019
French translation of claims
Sep 25, 2019
German translation of the claims
Sep 25, 2019
Letter accompanying subsequently filed items
May 28, 2019
Bibliographic data of the European patent application
May 28, 2019
Communication about intention to grant a European patent
May 28, 2019
Intention to grant (signatures)
May 28, 2019
Text intended for grant (clean copy)
May 28, 2019
Text intended for grant (version for approval)
Mar 21, 2019
(Electronic) Receipt
Mar 21, 2019
Amended description with annotations
Mar 21, 2019
Description
Mar 21, 2019
Letter accompanying subsequently filed items
Mar 21, 2019
Reply to communication from the Examining Division
Nov 15, 2018
Annex to the communication
Nov 15, 2018
Communication from the Examining Division
Jul 20, 2018
(Electronic) Receipt
Jul 20, 2018
Amended claims with annotations
Jul 20, 2018
Claims
Jul 20, 2018
Letter accompanying subsequently filed items
Jul 20, 2018
Reply to communication from the Examining Division
Mar 22, 2018
Annex to the communication
Mar 22, 2018
Communication from the Examining Division
Mar 19, 2018
Examination started
Sep 22, 2017
(Electronic) Receipt
Sep 22, 2017
Letter accompanying subsequently filed items
Sep 22, 2017
Reply to Written Opinion prepared by the EPO
Jul 20, 2017
(Electronic) Receipt
Jul 20, 2017
Letter concerning fees and payments
May 10, 2017
Notification on forthcoming publication of bibliographic data
Mar 14, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 10, 2017
Communication to designated inventor
Mar 10, 2017
Communication to designated inventor
Mar 10, 2017
Communication to designated inventor
Mar 10, 2017
Communication to designated inventor
Mar 7, 2017
Priority search results copy provided by EPO
Feb 24, 2017
(Electronic) Receipt
Feb 24, 2017
Request for entry into the European phase
Feb 23, 2017
Copy of the international preliminary report on patentability
Dec 9, 2016
Information on entry into European phase
Feb 22, 2016
Priority document (electronically transmitted)
Feb 4, 2016
Copy of the international search report
Feb 4, 2016
Published international application - A1
Sep 30, 2015
Written opinion of the ISA, boxes No. I to VIII
Sep 30, 2015
Written opinion of the ISA, cover sheet
Sep 30, 2015
Written opinion of the ISA, supplemental box
Sep 21, 2015
(Electronic) Receipt
Sep 21, 2015
Incoming letter related to PCT RO
Sep 21, 2015
Incoming letter related to PCT RO
Sep 21, 2015
Substitute sheet (R26) - Drawings
Sep 21, 2015
Substitute sheet (R26) - Drawings
Aug 10, 2015
Invitation to correct defects in the international application
Aug 6, 2015
Incoming letter related to PCT RO
Jul 29, 2015
(Electronic) Receipt
Jul 29, 2015
Abstract
Jul 29, 2015
Claims
Jul 29, 2015
Description
Jul 29, 2015
Drawings

EP3174889

HC PHARMA

Application Number: EP15754127A
Filing Date: Jul 29, 2015
Status: Revoked; Mar 15, 2024
Publication Date: Nov 20, 2019
External Links: Slate, EP3174889B1, Google Patents

IP Verse

Sofosbuvir In Crystalline Form And Process For Its Preparation

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3174889