Two-Stage Oil-Injected Screw Air Compressor

Patent No. EP3315779 (titled "Two-Stage Oil-Injected Screw Air Compressor") was filed by Almig Kompressoren on Oct 28, 2016. The application was issued on Dec 26, 2018.

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
ATLAS COPCO	Sep 26, 2019	VO

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 30, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 30, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 27, 2021
Termination of the opposition proceedings with revocation of patent
Apr 15, 2021
Advice of delivery
Apr 15, 2021
Annex to the communication - opposition
Apr 15, 2021
Decision of the Opposition Division and instruction
Apr 15, 2021
Decision revoking the European patent
Apr 15, 2021
Grounds for the decision (Annex) - opposition
Apr 15, 2021
Internal form - Opposition/addressees
Apr 15, 2021
Internal form - Opposition/addressees
Apr 15, 2021
Means of redress
Apr 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 15, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 15, 2021
Provision of a copy of the minutes - opposition procedure
Apr 15, 2021
Transmittal of decision / summons - opposition
Apr 15, 2021
Transmittal of decision / summons - opposition
Mar 18, 2021
Brief communication - Opposition proceedings
Mar 17, 2021
Information about the result of oral proceedings
Mar 15, 2021
(Electronic) Receipt
Mar 15, 2021
Letter accompanying subsequently filed items
Mar 15, 2021
Written submission in preparation to/during oral proceedings
Mar 12, 2021
(Electronic) Receipt
Feb 17, 2021
Letter accompanying subsequently filed items
Jan 22, 2021
Notification concerning the date of oral proceedings
Jan 22, 2021
Notification concerning the date of oral proceedings
Jan 20, 2021
Brief communication - Opposition proceedings
Jan 20, 2021
Brief communication - Opposition proceedings
Jan 15, 2021
(Electronic) Receipt
Jan 15, 2021
Auxiliary request during Opposition procedure
Jan 15, 2021
Auxiliary request during Opposition procedure - 01
Jan 15, 2021
Letter accompanying subsequently filed items
Jan 15, 2021
Written submission in preparation to/during oral proceedings
Jan 14, 2021
(Electronic) Receipt
Jan 14, 2021
Letter accompanying subsequently filed items
Jan 14, 2021
Written submission in preparation to/during oral proceedings
Jul 6, 2020
Advice of delivery
Jul 6, 2020
Advice of delivery
Jul 1, 2020
Acknowledgement of a document
Jul 1, 2020
Acknowledgement of a document
Jul 1, 2020
Annex to the communication - opposition
Jul 1, 2020
Information concerning oral proceedings
Jul 1, 2020
Summons to attend oral proceedings
Jul 1, 2020
Summons to attend oral proceedings
Jun 19, 2020
Oral proceedings: reply to date proposed
Jun 12, 2020
Oral proceedings: reply to date proposed
Jun 4, 2020
Communication of amended entries concerning the representative
Feb 17, 2020
Brief communication - Opposition proceedings
Feb 11, 2020
(Electronic) Receipt
Feb 11, 2020
Amended claims with annotations
Feb 11, 2020
Claims
Feb 11, 2020
Letter accompanying subsequently filed items
Feb 11, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jan 21, 2020
Brief communication to applicant/representative
Jan 21, 2020
Communication confirming withdrawal from representation
Jan 21, 2020
Communication of amended entries concerning the representative
Jan 10, 2020
(Electronic) Receipt
Jan 10, 2020
Letter accompanying subsequently filed items
Jan 10, 2020
Submission concerning change of applicant's representative
Jan 8, 2020
(Electronic) Receipt
Jan 8, 2020
Letter accompanying subsequently filed items
Jan 8, 2020
Submission concerning change of applicant's representative
Oct 23, 2019
Brief communication - Opposition proceedings
Oct 11, 2019
Communication of a notice of opposition and request to file observations
Oct 11, 2019
Notice of further oppositions to opponent(s)
Oct 8, 2019
Communication of a notice of opposition - first information to patent proprietor
Sep 26, 2019
(Electronic) Receipt
Sep 26, 2019
Citation in opposition procedure - 001
Sep 26, 2019
Citation in opposition procedure - 002
Sep 26, 2019
Citation in opposition procedure - 002
Sep 26, 2019
Citation in opposition procedure - 003
Sep 26, 2019
Citation in opposition procedure - 003
Sep 26, 2019
Citation in opposition procedure - 004
Sep 26, 2019
Citation in opposition procedure - 005
Sep 26, 2019
Citation in opposition procedure - 005
Sep 26, 2019
Citation in opposition procedure - 006
Sep 26, 2019
Citation in opposition procedure - 007
Sep 26, 2019
Citation in opposition procedure - 007
Sep 26, 2019
Citation in opposition procedure - 008
Sep 26, 2019
Citation in opposition procedure - 008
Sep 26, 2019
Consolidated list of cited opposition documents
Sep 26, 2019
Notice of opposition
Sep 26, 2019
Notice of opposition
Jan 9, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 29, 2018
Decision to grant a European patent
Nov 12, 2018
(Electronic) Receipt
Nov 12, 2018
French translation of claims
Nov 12, 2018
German translation of the claims
Nov 12, 2018
Letter accompanying subsequently filed items
Jul 6, 2018
Bibliographic data of the European patent application
Jul 6, 2018
Communication about intention to grant a European patent
Jul 6, 2018
Intention to grant (signatures)
Jul 6, 2018
Text intended for grant (clean copy)
Jul 6, 2018
Text intended for grant (version for approval)
Jun 20, 2018
Examination started
Jun 8, 2018
(Electronic) Receipt
Jun 8, 2018
Letter accompanying subsequently filed items
Jun 8, 2018
Reply to Written Opinion prepared by the EPO
May 7, 2018
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Apr 5, 2018
Notification of forthcoming publication
Oct 25, 2017
(Electronic) Receipt
Oct 25, 2017
Letter accompanying subsequently filed items
Jun 21, 2017
(Electronic) Receipt
Apr 18, 2017
Communication regarding the transmission of the European search report
Apr 18, 2017
European search opinion
Apr 18, 2017
European search report
Apr 18, 2017
Information on Search Strategy
Apr 4, 2017
Search started
Dec 21, 2016
Communication to designated inventor
Dec 21, 2016
Communication to designated inventor
Dec 21, 2016
Communication to designated inventor
Dec 21, 2016
Communication to designated inventor
Oct 28, 2016
Abstract
Oct 28, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 28, 2016
Claims
Oct 28, 2016
Description
Oct 28, 2016
Designation of inventor
Oct 28, 2016
Drawings
Oct 28, 2016
Request for grant of a European patent

EP3315779

ALMIG KOMPRESSOREN

Application Number: EP16196261A
Filing Date: Oct 28, 2016
Status: Revoked; Jul 30, 2021
Publication Date: Dec 26, 2018
External Links: Slate, Register , Google Patents

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Two-Stage Oil-Injected Screw Air Compressor

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Dossier Documents

EP3315779