Closable Inspection Opening For Dry Construction

Patent No. EP2550413 (titled "Closable Inspection Opening For Dry Construction") was filed by Knauf Insulation on Feb 16, 2011. The application was issued on Aug 4, 2021.

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
RUG SEMIN	Oct 17, 2018	KUTZENBERGER WOLFF & PARTNER

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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Jul 8, 2021
Decision to maintain the European patent in amended form
Jul 2, 2021
Termination of the opposition proceedings with maintenance of patent
Jun 23, 2021
(Electronic) Receipt
Jun 23, 2021
Clean copy of claims in the opposition procedure
Jun 23, 2021
Clean copy of description pages in the opposition procedure
Jun 23, 2021
Clean copy of description pages in the opposition procedure
Jun 23, 2021
English translation of the claims
Jun 23, 2021
Filing of the translation of the amended claims
Jun 23, 2021
French translation of claims
Jun 23, 2021
Letter accompanying subsequently filed items
Mar 22, 2021
Communication of bibliographic data
Mar 22, 2021
Communication with request to file translations
Mar 16, 2021
Maintenance of the patent with the documents specified in the final decision
Nov 20, 2020
Decision of the Opposition Division and instruction
Nov 20, 2020
Grounds for the decision (Annex) - opposition
Nov 20, 2020
Interlocutory decision in opposition proceedings
Nov 20, 2020
Internal form - Opposition/addressees
Nov 20, 2020
Means of redress
Nov 20, 2020
OPPODREX with handwritten amendments
Jul 21, 2020
(Electronic) Receipt
Jul 21, 2020
Amended description with annotations
Jul 21, 2020
Description
Jul 21, 2020
Letter accompanying subsequently filed items
Jul 21, 2020
Letter regarding the opposition procedure (no time limit)
Jun 30, 2020
Annex to the communication - opposition
Jun 30, 2020
Internal form - Opposition/addressees
Jun 30, 2020
Result of consultation by telephone/in person
Mar 16, 2020
(Electronic) Receipt
Mar 16, 2020
Letter accompanying subsequently filed items
Mar 16, 2020
Letter regarding the opposition procedure (no time limit)
Feb 27, 2020
Advice of delivery
Feb 21, 2020
(Electronic) Receipt
Feb 21, 2020
Amended claims with annotations
Feb 21, 2020
Amended claims with annotations
Feb 21, 2020
Amended claims with annotations
Feb 21, 2020
Amended claims with annotations
Feb 21, 2020
Auxiliary request during Opposition procedure - 01
Feb 21, 2020
Auxiliary request during Opposition procedure - 02
Feb 21, 2020
Auxiliary request during Opposition procedure - 03
Feb 21, 2020
Auxiliary request during Opposition procedure - 04
Feb 21, 2020
Letter accompanying subsequently filed items
Feb 21, 2020
Written submission in preparation to/during oral proceedings
Feb 19, 2020
Acknowledgement of a document
Feb 19, 2020
Notification concerning the date of oral proceedings
Feb 6, 2020
Brief communication - Opposition proceedings
Feb 6, 2020
Brief communication - Opposition proceedings
Feb 3, 2020
(Electronic) Receipt
Feb 3, 2020
Letter accompanying subsequently filed items
Feb 3, 2020
Written submission in preparation to/during oral proceedings
Sep 16, 2019
Advice of delivery
Sep 2, 2019
Advice of delivery
Sep 2, 2019
Advice of delivery
Sep 2, 2019
Advice of delivery
Aug 28, 2019
Annex to the communication - opposition
Aug 28, 2019
Information concerning oral proceedings
Aug 28, 2019
Summons to attend oral proceedings
Aug 28, 2019
Summons to attend oral proceedings
Mar 13, 2019
Brief communication - Opposition proceedings
Mar 8, 2019
(Electronic) Receipt
Mar 8, 2019
Letter accompanying subsequently filed items
Mar 8, 2019
Reply of the patent proprietor to the notice(s) of opposition
Nov 29, 2018
Communication of amended entries
Nov 19, 2018
Request concerning representative opponent
Oct 31, 2018
Communication of a notice of opposition and request to file observations
Oct 31, 2018
Notice of further oppositions to opponent(s)
Oct 29, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 17, 2018
(Electronic) Receipt
Oct 17, 2018
Non-patent literature cited during the opposition procedure
Oct 17, 2018
Non-patent literature cited during the opposition procedure
Oct 17, 2018
Non-patent literature cited during the opposition procedure
Oct 17, 2018
Non-patent literature cited during the opposition procedure
Oct 17, 2018
Non-patent literature cited during the opposition procedure
Oct 17, 2018
Non-patent literature cited during the opposition procedure
Oct 17, 2018
Non-patent literature cited during the opposition procedure
Oct 17, 2018
Notice of opposition
Oct 17, 2018
Notice of opposition
Oct 17, 2018
Patent document cited during the opposition procedure
Oct 17, 2018
Patent document cited during the opposition procedure
Feb 2, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 21, 2017
Decision to grant a European patent
Dec 6, 2017
(Electronic) Receipt
Dec 6, 2017
English translation of the claims
Dec 6, 2017
Filing of the translations of the claims
Dec 6, 2017
French translation of claims
Dec 6, 2017
Letter accompanying subsequently filed items
Aug 3, 2017
Bibliographic data of the European patent application
Aug 3, 2017
Communication about intention to grant a European patent
Aug 3, 2017
Intention to grant (signatures)
Aug 3, 2017
Text intended for grant (clean copy)
Aug 3, 2017
Text intended for grant (version for approval)
Jun 7, 2017
Examination started
May 19, 2017
Response to enquiry for communication from the Examining Division
May 12, 2017
(Electronic) Receipt
May 12, 2017
Enquiry as to the processing of the file
May 12, 2017
Letter accompanying subsequently filed items
Jun 10, 2016
Submission concerning representation
Jun 10, 2016
Submission concerning representation
Mar 9, 2016
Refund of fees
Jan 6, 2016
CDS Clean up - amended applicant details
Jun 20, 2013
Reply to invitation to file a copy of priority search results
Jun 13, 2013
Invitation to file a copy of search results(priority)
May 6, 2013
Amendments received before examination
Jan 4, 2013
Notification on forthcoming publication of bibliographic data
Oct 30, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 26, 2012
Communication to designated inventor
Oct 10, 2012
Copy of the international preliminary report on patentability
Sep 14, 2012
(Electronic) Receipt
Sep 14, 2012
Request for entry into the European phase
Sep 14, 2012
Submission concerning representation
Aug 3, 2012
Information on entry into European phase
Jun 21, 2012
Notification of the recording of a change
Jun 21, 2012
Notification of the recording of a change
May 3, 2012
Notification of the recording of a change
May 3, 2012
Notification of the recording of a change
May 3, 2012
Notification of the recording of a change
May 3, 2012
Notification of the recording of a change
Oct 17, 2011
Priority document (electronically transmitted)
Sep 29, 2011
Copy of the international search report
Sep 29, 2011
Copy of the international search report
Sep 29, 2011
Published international application - A1
May 16, 2011
Written opinion of the ISA, boxes No. I to VIII
May 16, 2011
Written opinion of the ISA, cover sheet
May 16, 2011
Written opinion of the ISA, supplemental box
Feb 17, 2011
Abstract
Feb 17, 2011
Claims
Feb 17, 2011
Description
Feb 17, 2011
Drawings

EP2550413

KNAUF INSULATION

Application Number: EP11707079A
Filing Date: Feb 16, 2011
Status: Patent Maintained As Amended; Jul 2, 2021
Publication Date: Aug 4, 2021
External Links: Slate, Register , Google Patents

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Closable Inspection Opening For Dry Construction

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Dossier Documents

EP2550413