Reciprocating Compressor

Patent No. EP3514386 (titled "Reciprocating Compressor") was filed by LG Electronics on Nov 9, 2015. The application was issued on Oct 8, 2025.

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
SECOP	Sep 30, 2021	KLIMENT & HENHAPEL

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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Sep 11, 2025
Decision to maintain the European patent in amended form
Sep 11, 2025
Decision to maintain the European patent in amended form
Sep 1, 2025
(Electronic) Receipt
Sep 1, 2025
Description
Sep 1, 2025
Filing of the translation of the amended claims
Sep 1, 2025
French translation of claims
Sep 1, 2025
German translation of the claims
Jun 26, 2025
Communication of bibliographic data
Jun 26, 2025
Communication to opponent concerning maintenance
Jun 26, 2025
Communication with request to file translations
Jun 26, 2025
OPPODREX with handwritten amendments
Jun 23, 2025
Maintenance of the patent with the documents specified in the final decision
Jun 17, 2025
Decision of the Board of Appeal
Jun 17, 2025
F3032 Notification(s) of the decision
Jun 17, 2025
F3032 Notification(s) of the decision
May 28, 2025
Description submitted during oral proceedings
May 28, 2025
F3013 Oral Proceedings: Forwarding minutes
May 28, 2025
F3013 Oral Proceedings: Forwarding minutes
May 28, 2025
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Apr 10, 2025
F3018 Oral proceedings: Confirmation interpreters
Apr 10, 2025
F3018 Oral proceedings: Confirmation interpreters
Apr 10, 2025
F3345 Forwarding of submissions to parties
Apr 7, 2025
(Electronic) Receipt
Apr 7, 2025
Letter accompanying subsequently filed items
Mar 11, 2025
F3345 Forwarding of submissions to parties
Mar 6, 2025
(Electronic) Receipt
Mar 6, 2025
Letter accompanying subsequently filed items
Mar 6, 2025
Letter dealing with oral proceedings during the appeal procedure
Dec 18, 2024
F3345 Forwarding of submissions to parties
Dec 13, 2024
(Electronic) Receipt
Dec 13, 2024
Letter accompanying subsequently filed items
Nov 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 23, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 23, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 23, 2024
F3345 Forwarding of submissions to parties
Oct 21, 2024
Letter accompanying subsequently filed items
Oct 21, 2024
Letter dealing with oral proceedings during the appeal procedure
Oct 18, 2024
(Electronic) Receipt
Oct 18, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Oct 18, 2024
Letter accompanying subsequently filed items
Oct 18, 2024
Oral proceedings: Request for postponement
Oct 14, 2024
F3011.2 Oral Proceedings: Summons VICO
Oct 14, 2024
F3011.2 Oral Proceedings: Summons VICO
Oct 14, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 14, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 9, 2024
F3010 Oral proceedings: order for summons
Jul 22, 2024
Composition of the board (T)
Dec 14, 2023
F3345 Forwarding of submissions to parties
Dec 11, 2023
(Electronic) Receipt
Dec 11, 2023
Amended claims with annotations
Dec 11, 2023
Amended claims with annotations
Dec 11, 2023
Amended claims with annotations
Dec 11, 2023
Amended claims with annotations
Dec 11, 2023
Amended claims with annotations
Dec 11, 2023
Amended claims with annotations
Dec 11, 2023
Auxiliary request during appeals procedure - 19
Dec 11, 2023
Auxiliary request during appeals procedure - 20
Dec 11, 2023
Auxiliary request during appeals procedure - 21
Dec 11, 2023
Auxiliary request during appeals procedure - 22
Dec 11, 2023
Auxiliary request during appeals procedure - 23
Dec 11, 2023
Auxiliary request during appeals procedure - 24
Dec 11, 2023
Letter accompanying subsequently filed items
Dec 11, 2023
Reply to appeal
Dec 7, 2023
F3345 Forwarding of submissions to parties
Dec 4, 2023
(Electronic) Receipt
Dec 4, 2023
Letter accompanying subsequently filed items
Dec 4, 2023
Reply to appeal
Aug 2, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 2, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 28, 2023
(Electronic) Receipt
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Amended claims with annotations
Jul 28, 2023
Annexes (other than cited documents) regarding appeal procedure
Jul 28, 2023
Auxiliary request during appeals procedure - 01
Jul 28, 2023
Auxiliary request during appeals procedure - 02
Jul 28, 2023
Auxiliary request during appeals procedure - 03
Jul 28, 2023
Auxiliary request during appeals procedure - 04
Jul 28, 2023
Auxiliary request during appeals procedure - 05
Jul 28, 2023
Auxiliary request during appeals procedure - 06
Jul 28, 2023
Auxiliary request during appeals procedure - 07
Jul 28, 2023
Auxiliary request during appeals procedure - 08
Jul 28, 2023
Auxiliary request during appeals procedure - 09
Jul 28, 2023
Auxiliary request during appeals procedure - 10
Jul 28, 2023
Auxiliary request during appeals procedure - 11
Jul 28, 2023
Auxiliary request during appeals procedure - 12
Jul 28, 2023
Auxiliary request during appeals procedure - 13
Jul 28, 2023
Auxiliary request during appeals procedure - 14
Jul 28, 2023
Auxiliary request during appeals procedure - 15
Jul 28, 2023
Auxiliary request during appeals procedure - 16
Jul 28, 2023
Auxiliary request during appeals procedure - 17
Jul 28, 2023
Auxiliary request during appeals procedure - 18
Jul 28, 2023
Interlocutory decision in opposition proceedings
Jul 28, 2023
Letter accompanying subsequently filed items
Jul 28, 2023
Statement of grounds of appeal
Jul 28, 2023
Summons to attend oral proceedings
Jul 27, 2023
(Electronic) Receipt
Jul 27, 2023
Letter accompanying subsequently filed items
Jul 27, 2023
Statement of grounds of appeal
Jun 2, 2023
F3204 Communication of the file number to the parties
Jun 2, 2023
F3204 Communication of the file number to the parties
May 30, 2023
(Electronic) Receipt
May 30, 2023
F3204 Communication of the file number to the parties
May 30, 2023
F3204 Communication of the file number to the parties
May 30, 2023
Letter accompanying subsequently filed items
May 30, 2023
Notice of appeal
May 19, 2023
(Electronic) Receipt
May 19, 2023
Letter accompanying subsequently filed items
May 19, 2023
Notice of appeal
Mar 20, 2023
Advice of delivery
Mar 20, 2023
Annex to the communication - opposition
Mar 20, 2023
Decision of the Opposition Division and instruction
Mar 20, 2023
Druckexemplar in opposition procedure
Mar 20, 2023
Grounds for the decision (Annex) - opposition
Mar 20, 2023
Interlocutory decision in opposition proceedings
Mar 20, 2023
Interlocutory decision in opposition proceedings
Mar 20, 2023
Means of redress
Mar 20, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 20, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 20, 2023
Provision of a copy of the minutes - opposition procedure
Mar 20, 2023
Provision of a copy of the minutes - opposition procedure
Mar 20, 2023
Scanned annex to a communication - opposition procedure
Mar 20, 2023
Transmittal of decision / summons - opposition
Mar 20, 2023
Transmittal of decision / summons - opposition
Dec 1, 2022
Information about the result of oral proceedings
Nov 7, 2022
Brief communication - Opposition proceedings
Oct 25, 2022
(Electronic) Receipt
Oct 25, 2022
Letter accompanying subsequently filed items
Oct 25, 2022
Request for interpreters during oral proceedings
Oct 10, 2022
Brief communication - Opposition proceedings
Oct 10, 2022
Brief communication - Opposition proceedings
Oct 7, 2022
Brief communication - Opposition proceedings
Oct 6, 2022
Communication of amended entries
Oct 5, 2022
Brief communication - Opposition proceedings
Sep 30, 2022
(Electronic) Receipt
Sep 30, 2022
Citation in opposition procedure - 011
Sep 30, 2022
Consolidated list of cited opposition documents
Sep 30, 2022
Letter accompanying subsequently filed items
Sep 30, 2022
Letter accompanying subsequently filed items
Sep 30, 2022
Written submission in preparation to/during oral proceedings
Sep 30, 2022
Written submission in preparation to/during oral proceedings
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Request for interpreters during oral proceedings
Sep 27, 2022
(Electronic) Receipt
Sep 27, 2022
Auxiliary request during Opposition procedure
Sep 27, 2022
Auxiliary request during Opposition procedure
Sep 27, 2022
Auxiliary request during Opposition procedure
Sep 27, 2022
Auxiliary request during Opposition procedure
Sep 27, 2022
Auxiliary request during Opposition procedure - 13
Sep 27, 2022
Auxiliary request during Opposition procedure - 14
Sep 27, 2022
Auxiliary request during Opposition procedure - 15
Sep 27, 2022
Auxiliary request during Opposition procedure - 16
Sep 27, 2022
Letter accompanying subsequently filed items
Sep 27, 2022
Main request during Opposition procedure
Sep 27, 2022
Main request during Opposition procedure
Sep 27, 2022
Written submission in preparation to/during oral proceedings
Jun 24, 2022
Advice of delivery
Jun 17, 2022
Advice of delivery
Jun 17, 2022
Annex to the communication - opposition
Jun 17, 2022
Information concerning oral proceedings
Jun 17, 2022
Summons to attend oral proceedings
Jun 17, 2022
Summons to attend oral proceedings
Jun 17, 2022
Transmittal of decision / summons - opposition
Jun 17, 2022
Transmittal of decision / summons - opposition
Feb 21, 2022
Brief communication - Opposition proceedings
Feb 16, 2022
(Electronic) Receipt
Feb 16, 2022
Any annexes (other than citation) to an opposition letter
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure
Feb 16, 2022
Auxiliary request during Opposition procedure - 01
Feb 16, 2022
Auxiliary request during Opposition procedure - 02
Feb 16, 2022
Auxiliary request during Opposition procedure - 03
Feb 16, 2022
Auxiliary request during Opposition procedure - 04
Feb 16, 2022
Auxiliary request during Opposition procedure - 05
Feb 16, 2022
Auxiliary request during Opposition procedure - 06
Feb 16, 2022
Auxiliary request during Opposition procedure - 07
Feb 16, 2022
Auxiliary request during Opposition procedure - 08
Feb 16, 2022
Auxiliary request during Opposition procedure - 09
Feb 16, 2022
Auxiliary request during Opposition procedure - 10
Feb 16, 2022
Auxiliary request during Opposition procedure - 11
Feb 16, 2022
Auxiliary request during Opposition procedure - 12
Feb 16, 2022
Letter accompanying subsequently filed items
Feb 16, 2022
Reply of the patent proprietor to the notice(s) of opposition
Oct 15, 2021
Communication of a notice of opposition and request to file observations
Oct 15, 2021
Notice of further oppositions to opponent(s)
Oct 6, 2021
Communication of a notice of opposition - first information to patent proprietor
Sep 30, 2021
(Electronic) Receipt
Sep 30, 2021
Citation in opposition procedure - 001
Sep 30, 2021
Citation in opposition procedure - 002
Sep 30, 2021
Citation in opposition procedure - 003
Sep 30, 2021
Citation in opposition procedure - 004
Sep 30, 2021
Citation in opposition procedure - 005
Sep 30, 2021
Citation in opposition procedure - 006
Sep 30, 2021
Citation in opposition procedure - 007
Sep 30, 2021
Citation in opposition procedure - 008
Sep 30, 2021
Citation in opposition procedure - 009
Sep 30, 2021
Citation in opposition procedure - 010
Sep 30, 2021
Notice of opposition
Sep 30, 2021
Notice of opposition
Jan 18, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 3, 2020
Decision to grant a European patent
Oct 27, 2020
(Electronic) Receipt
Oct 27, 2020
French translation of claims
Oct 27, 2020
German translation of the claims
Oct 27, 2020
Letter accompanying subsequently filed items
Jul 7, 2020
Bibliographic data of the European patent application
Jul 7, 2020
Communication about intention to grant a European patent
Jul 7, 2020
Intention to grant (signatures)
Jul 7, 2020
Text intended for grant (clean copy)
Jul 7, 2020
Text intended for grant (version for approval)
May 15, 2020
(Electronic) Receipt
May 15, 2020
Amended description with annotations
May 15, 2020
Description
May 15, 2020
Letter accompanying subsequently filed items
May 15, 2020
Reply to communication from the Examining Division
Apr 21, 2020
Annex to the communication
Apr 21, 2020
Consultation by telephone/in person (with time limit)
Apr 21, 2020
Result of consultation by telephone/in person
Mar 4, 2020
Examination started
Jan 23, 2020
(Electronic) Receipt
Jan 23, 2020
Amended claims filed after receipt of (European) search report
Jan 23, 2020
Amended claims with annotations
Jan 23, 2020
Amended description filed after receipt of (European) search report
Jan 23, 2020
Amended description with annotations
Jan 23, 2020
Amendments received before examination
Jan 23, 2020
Letter accompanying subsequently filed items
Jul 29, 2019
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 2, 2019
Refund of fees
Jun 26, 2019
Notification of forthcoming publication
Jun 4, 2019
Communication regarding the transmission of the European search report
Jun 4, 2019
European search opinion
Jun 4, 2019
European search report
Jun 4, 2019
Information on Search Strategy
May 20, 2019
Search started
Apr 29, 2019
Communication to designated inventor
Apr 29, 2019
Communication to designated inventor
Apr 29, 2019
Communication to designated inventor
Apr 29, 2019
Communication to designated inventor
Apr 29, 2019
Communication to designated inventor
Apr 29, 2019
Communication to designated inventor
Mar 6, 2019
Abstract
Mar 6, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 6, 2019
Amended claims with annotations
Mar 6, 2019
Claims
Mar 6, 2019
Description
Mar 6, 2019
Designation of inventor
Mar 6, 2019
Drawings
Mar 6, 2019
Request for grant of a European patent
Jan 12, 2016
Priority document (electronically transmitted)
Jan 12, 2016
Priority document (electronically transmitted)
Jan 12, 2016
Priority document (electronically transmitted)

EP3514386

LG ELECTRONICS

Application Number: EP19161036A
Filing Date: Nov 9, 2015
Status: Patent Maintained As Amended; Sep 5, 2025
Publication Date: Oct 8, 2025
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3514386