Controller For Compressor

Patent No. EP3443226 (titled "Controller For Compressor") was filed by Atlas Copco on Apr 11, 2017. The application was issued on Oct 9, 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
KAESER KOMPRESSOREN	Jul 9, 2025	ISARPATENT

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

Get instant alerts for new documents

Jan 22, 2026
Brief communication - Opposition proceedings
Jan 22, 2026
Brief communication - Opposition proceedings
Jan 22, 2026
Decision of the Opposition Division and instruction
Jan 22, 2026
Decision revoking the European patent
Jan 22, 2026
Decision revoking the European patent
Jan 22, 2026
Grounds for the decision (Annex) - opposition
Jan 22, 2026
Means of redress
Jan 22, 2026
Scanned annex to a communication - opposition procedure
Jul 21, 2025
Communication of a notice of opposition and request to file observations
Jul 21, 2025
Notice of further oppositions to opponent(s)
Jul 14, 2025
Communication of a notice of opposition - first information to patent proprietor
Jul 9, 2025
(Electronic) Receipt
Jul 9, 2025
Citation in opposition procedure - 001
Jul 9, 2025
Citation in opposition procedure - 002
Jul 9, 2025
Citation in opposition procedure - 002
Jul 9, 2025
Citation in opposition procedure - 003
Jul 9, 2025
Citation in opposition procedure - 004
Jul 9, 2025
Citation in opposition procedure - 004
Jul 9, 2025
Citation in opposition procedure - 005
Jul 9, 2025
Citation in opposition procedure - 005
Jul 9, 2025
Citation in opposition procedure - 006
Jul 9, 2025
Citation in opposition procedure - 006
Jul 9, 2025
Citation in opposition procedure - 007
Jul 9, 2025
Citation in opposition procedure - 007
Jul 9, 2025
Citation in opposition procedure - 008
Jul 9, 2025
Citation in opposition procedure - 009
Jul 9, 2025
Citation in opposition procedure - 010
Jul 9, 2025
Citation in opposition procedure - 011
Jul 9, 2025
Consolidated list of cited opposition documents
Jul 9, 2025
Notice of opposition
Jul 9, 2025
Notice of opposition
Oct 22, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 12, 2024
Decision to grant a European patent
Jun 12, 2024
Decision to allow further processing
Jun 4, 2024
(Electronic) Receipt
Jun 4, 2024
French translation of claims
Jun 4, 2024
German translation of the claims
Jun 4, 2024
Request for further processing
Apr 25, 2024
Application deemed to be withdrawn ( translations of claims/payment missing)
Dec 4, 2023
Annex to the communication about intention to grant a European patent
Dec 4, 2023
Bibliographic data of the European patent application
Dec 4, 2023
Communication about intention to grant a European patent
Dec 4, 2023
Intention to grant (signatures)
Dec 4, 2023
Text intended for grant (clean copy)
Dec 4, 2023
Text intended for grant (version for approval)
Jul 15, 2022
(Electronic) Receipt
Jul 15, 2022
Amended claims with annotations
Jul 15, 2022
Amended description with annotations
Jul 15, 2022
Annex
Jul 15, 2022
Annex
Jul 15, 2022
Claims
Jul 15, 2022
Description
Jul 15, 2022
Letter accompanying subsequently filed items
Jul 15, 2022
Reply to communication from the Examining Division
May 18, 2022
Grant of extension of time limit (examination procedure)
May 13, 2022
(Electronic) Receipt
May 13, 2022
Letter accompanying subsequently filed items
May 13, 2022
Request for extension of time limit
Jan 13, 2022
Annex to the communication
Jan 13, 2022
Communication from the Examining Division
Jan 5, 2022
Examination started
Jun 28, 2019
Communication concerning the filing of a power of attorney
Jun 28, 2019
Communication of amended entries concerning the representative
Jun 25, 2019
(Electronic) Receipt
Jun 25, 2019
Letter accompanying subsequently filed items
Jun 25, 2019
Submission concerning change of applicant's representative
May 17, 2019
(Electronic) Receipt
May 17, 2019
Amended description filed after receipt of (European) search report
May 17, 2019
Amended description with annotations
May 17, 2019
Amendments received before examination
May 17, 2019
Letter accompanying subsequently filed items
Jan 23, 2019
Notification on forthcoming publication of bibliographic data
Nov 20, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 16, 2018
Communication to designated inventor
Nov 16, 2018
Communication to designated inventor
Nov 8, 2018
Communication for party to proceedings/third party
Oct 24, 2018
Annexes to the international preliminary examination report
Oct 24, 2018
Copy of the international preliminary examination report
Oct 18, 2018
(Electronic) Receipt
Oct 18, 2018
Authorisation
Oct 18, 2018
Designation of inventor
Oct 18, 2018
Letter accompanying subsequently filed items
Oct 18, 2018
Matter concerning the application
Oct 9, 2018
(Electronic) Receipt
Oct 9, 2018
Request for entry into the European phase
Aug 24, 2018
Information on entry into European phase
Jul 9, 2018
Amendments of documents (Article 19 PCT) (without attachments)
Jun 28, 2018
Annex to International preliminary examination report
Jun 28, 2018
International preliminary examination report
Jun 28, 2018
International preliminary examination report - free text sheet
Jun 28, 2018
International preliminary examination report - points I-VIII
Jun 28, 2018
Transmittal of International Preliminary Examination Report
May 7, 2018
(Electronic) Receipt
May 7, 2018
Letter regarding PCTII procedure
May 7, 2018
Reply to communication PCT/IPEA/408
Mar 9, 2018
Written opinion
Mar 9, 2018
Written opinion - free text sheet
Mar 9, 2018
Written opinion - points I-VIII
Mar 6, 2018
Notification of election of EPO
Feb 21, 2018
Notification of the recording of a change
Feb 21, 2018
Notification of the recording of a change
Feb 13, 2018
Notification of receipt of demand
Feb 8, 2018
(Electronic) Receipt
Feb 8, 2018
PCT demand form
Feb 8, 2018
PCT(IPEA): Amended sheet - claims
Feb 8, 2018
PCT(IPEA): Amended sheet - claims
Feb 8, 2018
PCT(IPEA): Amended sheet - description
Feb 8, 2018
PCT(IPEA): Amended sheet - description
Feb 8, 2018
Payment of fees and costs
Feb 8, 2018
Reply to International Search Opinion
Nov 6, 2017
Priority document (electronically transmitted)
Nov 6, 2017
Priority document (electronically transmitted)
Oct 19, 2017
Copy of the international search report
Oct 19, 2017
Published international application - A1
Jun 22, 2017
ISR: cited documents
Jun 21, 2017
Written opinion of the ISA, boxes No. I to VIII
Jun 21, 2017
Written opinion of the ISA, cover sheet
Jun 21, 2017
Written opinion of the ISA, supplemental box
Jun 9, 2017
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Jun 6, 2017
Annex
Jun 6, 2017
Submission concerning representation
May 9, 2017
Notification of receipt of Search copy
Apr 20, 2017
Abstract
Apr 20, 2017
Claims
Apr 20, 2017
Description
Apr 20, 2017
Drawings
Apr 20, 2017
Request form for international application (copy for ISA/EP)
Apr 20, 2017
Translated claims for ISA/EP
Apr 20, 2017
Translated description for ISA/EP
Apr 20, 2017
Translated drawings for ISA/EP
Apr 20, 2017
Translation of the abstract for ISA/EP

EP3443226

ATLAS COPCO

Application Number: EP17719344A
Filing Date: Apr 11, 2017
Status: Granted And Under Opposition; Sep 6, 2024
Publication Date: Oct 9, 2024
External Links: Slate, EP3443226B1, Google Patents

IP Verse

Controller For Compressor

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3443226