Construction Machine

Patent No. EP3550083 (titled "Construction Machine") was filed by Bauer Maschinen on Apr 4, 2018. The application was issued on Aug 9, 2023.

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
LIEBHERR WERK NENZING	May 8, 2024	LAUFHUTTE

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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Jan 7, 2026
F3204 Communication of the file number to the parties
Jan 7, 2026
F3204 Communication of the file number to the parties
Dec 22, 2025
(Electronic) Receipt
Dec 22, 2025
Annexes (other than cited documents) regarding appeal procedure
Dec 22, 2025
Notice of appeal
Dec 22, 2025
Notice of appeal
Nov 6, 2025
Annex to the communication - opposition
Nov 6, 2025
Decision of the Opposition Division and instruction
Nov 6, 2025
Decision rejecting the opposition
Nov 6, 2025
Decision rejecting the opposition
Nov 6, 2025
Grounds for the decision (Annex) - opposition
Nov 6, 2025
Means of redress
Nov 6, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 6, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 6, 2025
Provision of a copy of the minutes - opposition procedure
Nov 6, 2025
Provision of a copy of the minutes - opposition procedure
Nov 6, 2025
Scanned annex to a communication - opposition procedure
Oct 30, 2025
Communication of amended entries
Oct 22, 2025
Letter accompanying subsequently filed items
Oct 22, 2025
Request for change of opponent's representative
Sep 29, 2025
Information about the result of oral proceedings
Jul 30, 2025
Brief communication - Opposition proceedings
Jul 29, 2025
(Electronic) Receipt
Jul 29, 2025
Citation in opposition procedure - 003
Jul 29, 2025
Citation in opposition procedure - 004
Jul 29, 2025
Consolidated list of cited opposition documents
Jul 29, 2025
Letter accompanying subsequently filed items
Jul 29, 2025
Written submission in preparation to/during oral proceedings
Jul 17, 2025
Brief communication - Opposition proceedings
Jul 16, 2025
(Electronic) Receipt
Jul 16, 2025
Letter accompanying subsequently filed items
Jul 16, 2025
Written submission in preparation to/during oral proceedings
Feb 25, 2025
Annex to the communication - opposition
Feb 25, 2025
Information concerning oral proceedings
Feb 25, 2025
Scanned annex to a communication - opposition procedure
Feb 25, 2025
Summons to attend oral proceedings
Feb 25, 2025
Summons to attend oral proceedings
Sep 30, 2024
Brief communication - Opposition proceedings
Sep 25, 2024
(Electronic) Receipt
Sep 25, 2024
Any annexes (other than citation) to an opposition letter
Sep 25, 2024
Auxiliary request during Opposition procedure
Sep 25, 2024
Auxiliary request during Opposition procedure
Sep 25, 2024
Auxiliary request during Opposition procedure
Sep 25, 2024
Auxiliary request during Opposition procedure
Sep 25, 2024
Auxiliary request during Opposition procedure
Sep 25, 2024
Auxiliary request during Opposition procedure - 01
Sep 25, 2024
Auxiliary request during Opposition procedure - 02
Sep 25, 2024
Auxiliary request during Opposition procedure - 03
Sep 25, 2024
Auxiliary request during Opposition procedure - 04
Sep 25, 2024
Auxiliary request during Opposition procedure - 05
Sep 25, 2024
Letter accompanying subsequently filed items
Sep 25, 2024
Reply of the patent proprietor to the notice(s) of opposition
Jul 4, 2024
Communication of a notice of opposition and request to file observations
Jul 4, 2024
Notice of further oppositions to opponent(s)
Jul 1, 2024
Brief communication - Opposition proceedings
Jul 1, 2024
Brief communication - Opposition proceedings
Jun 26, 2024
Communication of a notice of opposition - first information to patent proprietor
Jun 25, 2024
Brief communication - Opposition proceedings
Jun 24, 2024
(Electronic) Receipt
Jun 24, 2024
Any annexes (other than citation) to an opposition letter
Jun 24, 2024
Any annexes (other than citation) to an opposition letter
Jun 24, 2024
Letter accompanying subsequently filed items
Jun 24, 2024
Letter regarding the opposition procedure (no time limit)
Jun 24, 2024
Result of consultation by telephone/in person
Jun 14, 2024
Communication regarding the expiry of opposition period
May 8, 2024
(Electronic) Receipt
May 8, 2024
Any annexes (other than citation) to an opposition letter
May 8, 2024
Citation in opposition procedure - 001
May 8, 2024
Citation in opposition procedure - 001
May 8, 2024
Citation in opposition procedure - 002
May 8, 2024
Letter accompanying subsequently filed items
May 8, 2024
Notice of opposition
Aug 22, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 14, 2023
(Electronic) Receipt
Jul 14, 2023
Filing of the translations of the claims
Jul 14, 2023
French translation of claims
Jul 14, 2023
Letter accompanying subsequently filed items
Jul 14, 2023
Result of consultation by telephone/in person
Jul 13, 2023
Decision to grant a European patent
Jul 4, 2023
(Electronic) Receipt
Jul 4, 2023
Annex
Jul 4, 2023
English translation of the claims
Jul 4, 2023
Filing of the translations of the claims
Mar 31, 2023
(Electronic) Receipt
Mar 31, 2023
Letter accompanying subsequently filed items
Mar 31, 2023
Request for delayed grant (upcoming introduction of UPP)
Mar 28, 2023
(Electronic) Receipt
Mar 28, 2023
Drawings
Mar 28, 2023
Letter accompanying subsequently filed items
Mar 28, 2023
Matter concerning the application
Mar 14, 2023
Annex to the communication about intention to grant a European patent
Mar 14, 2023
Bibliographic data of the European patent application
Mar 14, 2023
Communication about intention to grant a European patent
Mar 14, 2023
Intention to grant (signatures)
Mar 14, 2023
Text intended for grant (clean copy)
Mar 14, 2023
Text intended for grant (version for approval)
Feb 13, 2023
Examination started
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Amended claims filed after receipt of (European) search report
Mar 27, 2020
Amended claims with annotations
Mar 27, 2020
Amended description filed after receipt of (European) search report
Mar 27, 2020
Amended description with annotations
Mar 27, 2020
Amendments received before examination
Mar 27, 2020
Letter accompanying subsequently filed items
Oct 14, 2019
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Sep 11, 2019
Notification of forthcoming publication
Jan 31, 2019
(Electronic) Receipt
Jan 31, 2019
Letter concerning fees and payments
Jan 17, 2019
Communication regarding the transmission of the European search report
Jan 17, 2019
European search opinion
Jan 17, 2019
European search report
Jan 17, 2019
Information on Search Strategy
Sep 18, 2018
Search started
Jun 22, 2018
Communication to designated inventor
Apr 4, 2018
Abstract
Apr 4, 2018
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 4, 2018
Claims
Apr 4, 2018
Description
Apr 4, 2018
Designation of inventor
Apr 4, 2018
Drawings
Apr 4, 2018
Request for grant of a European patent

EP3550083

BAUER MASCHINEN

Application Number: EP18165654A
Filing Date: Apr 4, 2018
Status: Granted And Under Opposition; Jun 27, 2024
Publication Date: Aug 9, 2023
External Links: Slate, Register , Google Patents

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EP3550083