Method For Preparation Of N-Carboxyanhydrides

Patent No. EP3810579 (titled "Method For Preparation Of N-Carboxyanhydrides") was filed by Lonza on Sep 26, 2019. The application was issued on Apr 17, 2024.

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
REGIMBEAU	Jun 8, 2022	REGIMBEAU

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 21, 2024
Decision to maintain the European patent in amended form
Mar 21, 2024
Decision to maintain the European patent in amended form
Mar 12, 2024
(Electronic) Receipt
Mar 12, 2024
Filing of the translation of the amended claims
Mar 12, 2024
French translation of claims
Mar 12, 2024
German translation of the claims
Mar 12, 2024
Letter accompanying subsequently filed items
Feb 22, 2024
Communication of bibliographic data
Feb 22, 2024
Communication to opponent concerning maintenance
Feb 22, 2024
Communication with request to file translations
Feb 15, 2024
Maintenance of the patent with the documents specified in the final decision
Nov 20, 2023
Advice of delivery
Nov 17, 2023
(Electronic) Receipt
Nov 17, 2023
Advice of delivery
Nov 17, 2023
Letter accompanying subsequently filed items
Nov 15, 2023
Annex to the communication - opposition
Nov 15, 2023
Druckexemplar in opposition procedure
Nov 15, 2023
Grounds for the decision (Annex) - opposition
Nov 15, 2023
Interlocutory decision in opposition proceedings
Nov 15, 2023
Interlocutory decision in opposition proceedings
Nov 15, 2023
Means of redress
Nov 15, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 15, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 15, 2023
Provision of a copy of the minutes - opposition procedure
Nov 15, 2023
Provision of a copy of the minutes - opposition procedure
Nov 15, 2023
Scanned annex to a communication - opposition procedure
Nov 15, 2023
Transmittal of decision / summons - opposition
Nov 15, 2023
Transmittal of decision / summons - opposition
Nov 13, 2023
Decision of the Opposition Division and instruction
Oct 11, 2023
Information about the result of oral proceedings
Sep 22, 2023
Brief communication - Opposition proceedings
Sep 19, 2023
(Electronic) Receipt
Sep 19, 2023
Letter accompanying subsequently filed items
Sep 19, 2023
Written submission in preparation to/during oral proceedings
Aug 22, 2023
Brief communication - Opposition proceedings
Aug 22, 2023
Brief communication - Opposition proceedings
Aug 14, 2023
Consolidated list of cited opposition documents
Aug 11, 2023
(Electronic) Receipt
Aug 11, 2023
(Electronic) Receipt
Aug 11, 2023
Any annexes (other than citation) to an opposition letter
Aug 11, 2023
Citation in opposition procedure - 009
Aug 11, 2023
Citation in opposition procedure - 010
Aug 11, 2023
Citation in opposition procedure - 011
Aug 11, 2023
Letter accompanying subsequently filed items
Aug 11, 2023
Letter accompanying subsequently filed items
Aug 11, 2023
Written submission in preparation to/during oral proceedings
Aug 11, 2023
Written submission in preparation to/during oral proceedings
Jul 19, 2023
Brief communication - Opposition proceedings
Jul 12, 2023
(Electronic) Receipt
Jul 12, 2023
Letter accompanying subsequently filed items
Jul 12, 2023
Request for interpreters during oral proceedings
Mar 6, 2023
(Electronic) Receipt
Mar 6, 2023
Advice of delivery
Mar 6, 2023
Letter accompanying subsequently filed items
Mar 3, 2023
Advice of delivery
Mar 1, 2023
Annex to the communication - opposition
Mar 1, 2023
Information concerning oral proceedings
Mar 1, 2023
Scanned annex to a communication - opposition procedure
Mar 1, 2023
Summons to attend oral proceedings
Mar 1, 2023
Summons to attend oral proceedings
Mar 1, 2023
Transmittal of decision / summons - opposition
Mar 1, 2023
Transmittal of decision / summons - opposition
Feb 27, 2023
Brief communication - Opposition proceedings
Feb 22, 2023
(Electronic) Receipt
Feb 22, 2023
Letter accompanying subsequently filed items
Feb 22, 2023
Letter regarding the opposition procedure (no time limit)
Feb 3, 2023
Brief communication - Opposition proceedings
Jan 30, 2023
(Electronic) Receipt
Jan 30, 2023
Citation in opposition procedure - 001
Jan 30, 2023
Letter accompanying subsequently filed items
Jan 30, 2023
Reply from the opponent to submission of proprietor
Nov 4, 2022
Brief communication - Opposition proceedings
Oct 28, 2022
(Electronic) Receipt
Oct 28, 2022
Any annexes (other than citation) to an opposition letter
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure
Oct 28, 2022
Auxiliary request during Opposition procedure - 01
Oct 28, 2022
Auxiliary request during Opposition procedure - 02
Oct 28, 2022
Auxiliary request during Opposition procedure - 03
Oct 28, 2022
Auxiliary request during Opposition procedure - 04
Oct 28, 2022
Auxiliary request during Opposition procedure - 05
Oct 28, 2022
Auxiliary request during Opposition procedure - 06
Oct 28, 2022
Auxiliary request during Opposition procedure - 07
Oct 28, 2022
Auxiliary request during Opposition procedure - 08
Oct 28, 2022
Auxiliary request during Opposition procedure - 09
Oct 28, 2022
Auxiliary request during Opposition procedure - 10
Oct 28, 2022
Auxiliary request during Opposition procedure - 11
Oct 28, 2022
Auxiliary request during Opposition procedure - 12
Oct 28, 2022
Auxiliary request during Opposition procedure - 13
Oct 28, 2022
Auxiliary request during Opposition procedure - 14
Oct 28, 2022
Auxiliary request during Opposition procedure - 15
Oct 28, 2022
Letter accompanying subsequently filed items
Oct 28, 2022
Main request during Opposition procedure
Oct 28, 2022
Main request during Opposition procedure
Oct 28, 2022
Reply of the patent proprietor to the notice(s) of opposition
Oct 12, 2022
Brief communication - Opposition proceedings
Oct 11, 2022
Communication concerning the filing of a power of attorney
Oct 11, 2022
Communication of amended entries concerning the representative
Sep 28, 2022
(Electronic) Receipt
Sep 28, 2022
Authorisation
Sep 28, 2022
Letter accompanying subsequently filed items (CDR)
Sep 28, 2022
Submission concerning change of proprietor's representative
Jul 26, 2022
Brief communication - Opposition proceedings
Jul 25, 2022
Communication of amended entries concerning the representative
Jul 19, 2022
(Electronic) Receipt
Jul 19, 2022
General authorisation
Jul 19, 2022
Letter accompanying subsequently filed items
Jul 19, 2022
Submission concerning change of proprietor's representative
Jun 23, 2022
Communication of a notice of opposition and request to file observations
Jun 23, 2022
Notice of further oppositions to opponent(s)
Jun 13, 2022
Communication of a notice of opposition - first information to patent proprietor
Jun 8, 2022
(Electronic) Receipt
Jun 8, 2022
Citation in opposition procedure - 001
Jun 8, 2022
Citation in opposition procedure - 002
Jun 8, 2022
Citation in opposition procedure - 003
Jun 8, 2022
Citation in opposition procedure - 004
Jun 8, 2022
Citation in opposition procedure - 004
Jun 8, 2022
Citation in opposition procedure - 005
Jun 8, 2022
Citation in opposition procedure - 006
Jun 8, 2022
Citation in opposition procedure - 007
Jun 8, 2022
Citation in opposition procedure - 008
Jun 8, 2022
Notice of opposition
Jun 8, 2022
Notice of opposition
Sep 21, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 30, 2021
Payment submission rejected
Aug 12, 2021
Decision to grant a European patent
Aug 9, 2021
Confirmation of revocation of automatic debit order
Jul 22, 2021
(Electronic) Receipt
Jul 22, 2021
French translation of claims
Jul 22, 2021
German translation of the claims
Jul 22, 2021
Letter accompanying subsequently filed items
Apr 6, 2021
Copy of the international preliminary examination report
Mar 31, 2021
Notification on forthcoming publication of bibliographic data
Mar 26, 2021
Bibliographic data of the European patent application
Mar 26, 2021
Communication about intention to grant a European patent
Mar 26, 2021
Intention to grant (signatures)
Mar 26, 2021
Text intended for grant (clean copy)
Mar 26, 2021
Text intended for grant (version for approval)
Feb 26, 2021
Examination started
Feb 3, 2021
Refund of fees
Feb 1, 2021
Communication to designated inventor
Feb 1, 2021
Communication to designated inventor
Feb 1, 2021
Communication to designated inventor
Jan 29, 2021
Confirmation of effective date of early entry
Jan 27, 2021
Priority search results copy provided by EPO
Jan 21, 2021
(Electronic) Receipt
Jan 21, 2021
Matter concerning the application
Jan 21, 2021
Request for entry into the European phase
Aug 21, 2020
Annex to International preliminary examination report
Aug 21, 2020
Annexes to the international preliminary examination report
Aug 21, 2020
Copy of the international preliminary examination report
Aug 21, 2020
International preliminary examination report
Aug 21, 2020
International preliminary examination report - free text sheet
Aug 21, 2020
International preliminary examination report - points I-VIII
Aug 21, 2020
Transmittal of International Preliminary Examination Report
Jun 5, 2020
Notification of election of EPO
May 22, 2020
Amendments of documents (Article 19 PCT) (without attachments)
May 18, 2020
Notification of receipt of demand
May 12, 2020
(Electronic) Receipt
May 12, 2020
Letter regarding PCTII procedure
May 12, 2020
PCT demand form
May 12, 2020
PCT(IPEA): Amended sheet - claims
May 12, 2020
PCT(IPEA): Amended sheet - claims
May 12, 2020
PCT(IPEA): Amended sheet - description
May 12, 2020
PCT(IPEA): Amended sheet - description
May 12, 2020
Reply to International Search Opinion
Apr 23, 2020
Priority document (electronically transmitted)
Apr 23, 2020
Priority document (electronically transmitted)
Apr 23, 2020
Priority document (electronically transmitted)
Apr 23, 2020
Priority document (electronically transmitted)
Apr 2, 2020
Copy of the international search report
Apr 2, 2020
Published international application - A1
Jan 10, 2020
Copy of the international preliminary report on patentability
Nov 14, 2019
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Oct 30, 2019
(Electronic) Receipt
Oct 30, 2019
Incoming letter related to PCT RO
Oct 30, 2019
RO101 Declaration
Oct 21, 2019
Notification of the international application number and of the international filing date
Sep 26, 2019
(Electronic) Receipt
Sep 26, 2019
Abstract
Sep 26, 2019
Claims
Sep 26, 2019
Description
Sep 26, 2019
Document concerning fees and payments
Sep 26, 2019
Electronic request for grant of an International application
Sep 26, 2019
Incoming communication concerning PCT Direct
Sep 26, 2019
Priority document (RO-procedure)
Sep 26, 2019
Priority document (RO-procedure)
Sep 26, 2019
Priority document (RO-procedure)

EP3810579

LONZA

Application Number: EP19783452A
Filing Date: Sep 26, 2019
Status: Patent Maintained As Amended; Mar 15, 2024
Publication Date: Apr 17, 2024
External Links: Slate, Register , Google Patents

IP Verse

Method For Preparation Of N-Carboxyanhydrides

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3810579