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Polymorphic Mixture Of Rifaximin And Its Use For The Preparation Of Solid Formulations

Patent No. EP2927235 (titled "Polymorphic Mixture Of Rifaximin And Its Use For The Preparation Of Solid Formulations") was filed by Amri Italy on Mar 31, 2014. The application was issued on Feb 8, 2017.

Patent Summary

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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
ALFASIGMA	Nov 8, 2017	HIEBL

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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May 24, 2023
F3936 Acknowledgement of receipt Board of Appeal
May 22, 2023
Refund of fees
May 22, 2023
Termination of the opposition proceedings with revocation of patent
May 15, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 11, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
May 11, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
May 8, 2023
(Electronic) Receipt
May 8, 2023
F3014 Oral Proceedings: Order cancelling/postponing
May 8, 2023
Letter accompanying subsequently filed items
May 8, 2023
Withdrawal of an appeal
May 5, 2023
F3345 Forwarding of submissions to parties
May 3, 2023
(Electronic) Receipt
May 3, 2023
F3004 Communication of the Registry
May 3, 2023
F3345 Forwarding of submissions to parties
May 3, 2023
Letter accompanying subsequently filed items
May 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
Letter accompanying subsequently filed items
Apr 27, 2023
Letter dealing with oral proceedings during the appeal procedure
Sep 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 14, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 19, 2022
F3936 Acknowledgement of receipt Board of Appeal
May 16, 2022
F3011.1 Oral Proceedings: summons
May 16, 2022
F3011.1 Oral Proceedings: summons
May 11, 2022
F3010 Oral proceedings: order for summons
May 11, 2022
F3057 Communication: Change of responsibility of a Board of Appeal
May 9, 2022
F3303.16 Change of composition of the Board (T)
Jan 11, 2022
F3345 Forwarding of submissions to parties
Jan 5, 2022
(Electronic) Receipt
Jan 5, 2022
Letter accompanying subsequently filed items
Jan 5, 2022
Letter relating to Appeal Procedure
May 7, 2020
F3345 Forwarding of submissions to parties
Apr 24, 2020
Annexes (other than cited documents) regarding appeal procedure
Apr 24, 2020
Annexes (other than cited documents) regarding appeal procedure
Apr 24, 2020
Annexes (other than cited documents) regarding appeal procedure
Apr 24, 2020
Annexes (other than cited documents) regarding appeal procedure
Apr 24, 2020
Annexes (other than cited documents) regarding appeal procedure
Apr 24, 2020
Annexes (other than cited documents) regarding appeal procedure
Apr 24, 2020
Citation in appeal procedure - 001
Apr 24, 2020
Citation in appeal procedure - 002
Apr 24, 2020
Citation in appeal procedure - 003
Apr 24, 2020
Citation in appeal procedure - 003
Apr 24, 2020
Citation in appeal procedure - 004
Apr 24, 2020
Citation in appeal procedure - 005
Apr 24, 2020
Citation in appeal procedure - 006
Apr 24, 2020
Citation in appeal procedure - 007
Apr 24, 2020
Citation in appeal procedure - 008
Apr 24, 2020
Citation in appeal procedure - 009
Apr 24, 2020
Citation in appeal procedure - 010
Apr 24, 2020
Citation in appeal procedure - 011
Apr 24, 2020
Citation in appeal procedure - 012
Apr 24, 2020
Citation in appeal procedure - 013
Apr 24, 2020
Citation in appeal procedure - 014
Apr 24, 2020
Citation in appeal procedure - 015
Apr 24, 2020
Citation in appeal procedure - 016
Apr 24, 2020
Citation in appeal procedure - 017
Apr 24, 2020
Citation in appeal procedure - 030
Apr 24, 2020
Citation in appeal procedure - 031
Apr 24, 2020
Reply to appeal
Jan 16, 2020
Composition of the board (T)
Jan 9, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 26, 2019
(Electronic) Receipt
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Amended claims with annotations
Dec 26, 2019
Auxiliary request during appeals procedure - 01
Dec 26, 2019
Auxiliary request during appeals procedure - 02
Dec 26, 2019
Auxiliary request during appeals procedure - 03
Dec 26, 2019
Auxiliary request during appeals procedure - 04
Dec 26, 2019
Auxiliary request during appeals procedure - 05
Dec 26, 2019
Auxiliary request during appeals procedure - 06
Dec 26, 2019
Auxiliary request during appeals procedure - 07
Dec 26, 2019
Auxiliary request during appeals procedure - 08
Dec 26, 2019
Letter accompanying subsequently filed items
Dec 26, 2019
Main request during appeals procedure
Dec 26, 2019
Statement of grounds of appeal
Dec 10, 2019
F3204 Communication of the file number to the parties
Dec 10, 2019
F3204 Communication of the file number to the parties
Dec 5, 2019
Communication of amended entries concerning the representative
Dec 5, 2019
Communication of the registration of a transfer or change of name and/or address
Nov 28, 2019
(Electronic) Receipt
Nov 28, 2019
Brief communication - Opposition proceedings
Nov 28, 2019
Communication confirming withdrawal from representation
Nov 28, 2019
Letter accompanying subsequently filed items
Nov 28, 2019
Notice of appeal
Nov 28, 2019
Notification of termination of representative's authorisation
Nov 18, 2019
(Electronic) Receipt
Nov 18, 2019
Letter accompanying subsequently filed items
Nov 18, 2019
Submission concerning change of applicant's representative
Oct 9, 2019
Advice of delivery
Oct 3, 2019
Advice of delivery
Sep 27, 2019
Acknowledgement of a document
Sep 27, 2019
Annex to the communication - opposition
Sep 27, 2019
Brief communication - Opposition proceedings
Sep 27, 2019
Decision of the Opposition Division and instruction
Sep 27, 2019
Decision revoking the European patent
Sep 27, 2019
Grounds for the decision (Annex) - opposition
Sep 27, 2019
Means of redress
Sep 27, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 27, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 27, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 27, 2019
Provision of a copy of the minutes - opposition procedure
Sep 27, 2019
Scanned annex to a communication - opposition procedure
Sep 24, 2019
Result of consultation by telephone/in person
Sep 23, 2019
Letter which had not been notified
Sep 20, 2019
Brief communication - Opposition proceedings
Sep 16, 2019
(Electronic) Receipt
Sep 16, 2019
Communication about missing advice of delivery
Sep 16, 2019
Letter accompanying subsequently filed items
Sep 16, 2019
Letter regarding the opposition procedure (no time limit)
Aug 13, 2019
Advice of delivery
Aug 9, 2019
Advice of delivery
Aug 8, 2019
Acknowledgement of a document
Aug 8, 2019
Acknowledgement of a document
Aug 8, 2019
Annex to the communication - opposition
Aug 8, 2019
Decision of the Opposition Division and instruction
Aug 8, 2019
Decision revoking the European patent
Aug 8, 2019
Grounds for the decision (Annex) - opposition
Aug 8, 2019
Internal form - Opposition/addressees
Aug 8, 2019
Internal form - Opposition/addressees
Aug 8, 2019
Means of redress
Aug 8, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 8, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 8, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 8, 2019
Provision of a copy of the minutes - opposition procedure
Aug 8, 2019
Scanned annex to a communication - opposition procedure
Jul 17, 2019
Brief communication - Opposition proceedings
Jul 11, 2019
Brief communication - Opposition proceedings
Jul 11, 2019
Information about the result of oral proceedings
Jul 10, 2019
Notification concerning the date of oral proceedings
Jul 10, 2019
Notification concerning the date of oral proceedings
Jul 10, 2019
Written submission in preparation to/during oral proceedings
Jul 9, 2019
Brief communication - Opposition proceedings
Jul 8, 2019
(Electronic) Receipt
Jul 8, 2019
Letter accompanying subsequently filed items
Jul 8, 2019
Written submission in preparation to/during oral proceedings
Jul 4, 2019
Brief communication - Opposition proceedings
Jul 3, 2019
(Electronic) Receipt
Jul 3, 2019
Brief communication - Opposition proceedings
Jul 3, 2019
Letter accompanying subsequently filed items
Jul 3, 2019
Written submission in preparation to/during oral proceedings
Jun 28, 2019
Brief communication - Opposition proceedings
Jun 28, 2019
Consolidated list of cited opposition documents
Jun 26, 2019
Any annexes (other than citation) to an opposition letter
Jun 26, 2019
Non-patent literature cited during the opposition procedure
Jun 26, 2019
Non-patent literature cited during the opposition procedure
Jun 26, 2019
Written submission in preparation to/during oral proceedings
May 23, 2019
Brief communication - Opposition proceedings
May 16, 2019
Brief communication - Opposition proceedings
May 14, 2019
Non-scannable object
May 14, 2019
Non-scannable object
May 14, 2019
Written submission in preparation to/during oral proceedings
May 10, 2019
(Electronic) Receipt
May 10, 2019
Amended claims with annotations
May 10, 2019
Amended claims with annotations
May 10, 2019
Amended claims with annotations
May 10, 2019
Amended claims with annotations
May 10, 2019
Citation in opposition procedure
May 10, 2019
Citation in opposition procedure
May 10, 2019
Claims
May 10, 2019
Claims
May 10, 2019
Claims
May 10, 2019
Claims
May 10, 2019
Letter accompanying subsequently filed items
May 10, 2019
Written submission in preparation to/during oral proceedings
Mar 25, 2019
(Electronic) Receipt
Mar 25, 2019
Advice of delivery
Mar 25, 2019
Brief communication - Opposition proceedings
Mar 25, 2019
Brief communication - Opposition proceedings
Mar 25, 2019
Letter accompanying subsequently filed items
Mar 20, 2019
Brief communication - Opposition proceedings
Mar 19, 2019
Letter which had not been notified
Mar 15, 2019
Communication of amended entries concerning the representative
Feb 5, 2019
Advice of delivery
Feb 1, 2019
Advice of delivery
Jan 31, 2019
Annex to the communication - opposition
Jan 31, 2019
Information concerning oral proceedings
Jan 31, 2019
Summons to attend oral proceedings
Jan 31, 2019
Summons to attend oral proceedings
Jan 29, 2019
Notification concerning the date of oral proceedings
Jan 29, 2019
Notification concerning the date of oral proceedings
Jan 25, 2019
(Electronic) Receipt
Jan 25, 2019
Advice of delivery
Jan 25, 2019
Letter accompanying subsequently filed items
Jan 24, 2019
Advice of delivery
Jan 24, 2019
Notification concerning the date of oral proceedings
Jan 24, 2019
Notification concerning the date of oral proceedings
Jan 18, 2019
Brief communication - Opposition proceedings
Jan 14, 2019
(Electronic) Receipt
Jan 14, 2019
Citation in opposition procedure
Jan 14, 2019
Letter accompanying subsequently filed items
Jan 14, 2019
Written submission in preparation to/during oral proceedings
Jan 3, 2019
Brief communication - Opposition proceedings
Dec 21, 2018
Brief communication - Opposition proceedings
Dec 19, 2018
Brief communication - Opposition proceedings
Dec 18, 2018
Any annexes (other than citation) to an opposition letter
Dec 18, 2018
Written submission in preparation to/during oral proceedings
Dec 17, 2018
Brief communication - Opposition proceedings
Dec 13, 2018
Any annexes (other than citation) to an opposition letter
Dec 13, 2018
Any annexes (other than citation) to an opposition letter
Dec 13, 2018
Any annexes (other than citation) to an opposition letter
Dec 13, 2018
Written submission in preparation to/during oral proceedings
Dec 12, 2018
(Electronic) Receipt
Dec 12, 2018
Letter accompanying subsequently filed items
Dec 12, 2018
Non-patent literature cited during the opposition procedure
Dec 12, 2018
Non-patent literature cited during the opposition procedure
Dec 12, 2018
Non-patent literature cited during the opposition procedure
Dec 12, 2018
Non-patent literature cited during the opposition procedure
Dec 12, 2018
Patent document cited during the opposition procedure
Dec 12, 2018
Request for interpreters during oral proceedings
Dec 12, 2018
Written submission in preparation to/during oral proceedings
Aug 23, 2018
Advice of delivery
Aug 8, 2018
(Electronic) Receipt
Aug 8, 2018
Advice of delivery
Aug 8, 2018
Letter accompanying subsequently filed items
Jul 31, 2018
Advice of delivery
Jul 27, 2018
Advice of delivery
Jul 26, 2018
Annex to the communication - opposition
Jul 26, 2018
Information concerning oral proceedings
Jul 26, 2018
Preparation for oral proceedings
Jul 26, 2018
Summons to attend oral proceedings
Jul 26, 2018
Summons to attend oral proceedings
Apr 20, 2018
Brief communication - Opposition proceedings
Apr 16, 2018
(Electronic) Receipt
Apr 16, 2018
Citation in opposition procedure
Apr 16, 2018
Citation in opposition procedure
Apr 16, 2018
Letter accompanying subsequently filed items
Apr 16, 2018
Non-patent literature cited during the opposition procedure
Apr 16, 2018
Non-patent literature cited during the opposition procedure
Apr 16, 2018
Non-patent literature cited during the opposition procedure
Apr 16, 2018
Reply of the patent proprietor to the notice(s) of opposition
Dec 12, 2017
Communication of a notice of opposition and request to file observations
Dec 12, 2017
Notice of further oppositions to opponent(s)
Nov 20, 2017
Communication of a notice of opposition - first information to patent proprietor
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Non-patent literature cited during the opposition procedure
Nov 8, 2017
Notice of opposition
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Payment of fees and costs
Feb 9, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 12, 2017
Decision to grant a European patent
Dec 23, 2016
(Electronic) Receipt
Dec 23, 2016
French translation of claims
Dec 23, 2016
German translation of the claims
Dec 23, 2016
Letter accompanying subsequently filed items
Oct 4, 2016
Bibliographic data of the European patent application
Oct 4, 2016
Communication about intention to grant a European patent
Oct 4, 2016
Intention to grant (signatures)
Oct 4, 2016
Text intended for grant (clean copy)
Oct 4, 2016
Text intended for grant (version for approval)
Aug 17, 2016
Examination started
Apr 13, 2016
Communication of amended entries concerning the representative
Apr 6, 2016
(Electronic) Receipt
Apr 6, 2016
Amended claims filed after receipt of (European) search report
Apr 6, 2016
Amended claims with annotations
Apr 6, 2016
Amendments received before examination
Apr 6, 2016
Annex
Apr 6, 2016
Annex
Apr 6, 2016
Letter accompanying subsequently filed items
Apr 6, 2016
Non-patent literature cited during the examination procedure
Oct 12, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 9, 2015
Notification of forthcoming publication
Apr 15, 2015
Communication to designated inventor
Mar 26, 2015
(Electronic) Receipt
Mar 26, 2015
Letter accompanying subsequently filed items
Mar 26, 2015
Letter concerning the inventor
Aug 25, 2014
Invitation to indicate correct address of inventor
Jul 21, 2014
Communication regarding the transmission of the European search report
Jul 21, 2014
European search opinion
Jul 21, 2014
European search report
Jul 14, 2014
Search started
Jul 9, 2014
Letter which had not been notified
May 23, 2014
Communication to designated inventor
May 23, 2014
Communication to designated inventor
May 23, 2014
Communication to designated inventor
May 23, 2014
Communication to designated inventor
May 23, 2014
Communication to designated inventor
May 23, 2014
Communication to designated inventor
Mar 31, 2014
Abstract
Mar 31, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 31, 2014
Claims
Mar 31, 2014
Description
Mar 31, 2014
Designation of inventor
Mar 31, 2014
Designation of inventor
Mar 31, 2014
Designation of inventor
Mar 31, 2014
Designation of inventor
Mar 31, 2014
Designation of inventor
Mar 31, 2014
Designation of inventor
Mar 31, 2014
Drawings
Mar 31, 2014
Request for grant of a European patent

EP2927235

AMRI ITALY

Application Number: EP14162587A
Filing Date: Mar 31, 2014
Status: Revoked; May 26, 2023
Publication Date: Feb 8, 2017
External Links: Slate, Register , Google Patents