Solar Cell

Patent No. EP3196945 (titled "Solar Cell") was filed by LG Electronics on Jan 19, 2017. The application was issued on Jul 2, 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
STRAWMAN	Apr 16, 2020	D YOUNG
MEYER BURGER GERMANY	Mar 4, 2020	KRUJATZ

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

Jun 5, 2025
Decision to maintain the European patent in amended form
Jun 5, 2025
Decision to maintain the European patent in amended form
Jun 5, 2025
Decision to maintain the European patent in amended form
May 27, 2025
(Electronic) Receipt
May 27, 2025
Filing of the translation of the amended claims
May 27, 2025
French translation of claims
May 27, 2025
German translation of the claims
May 27, 2025
Letter accompanying subsequently filed items
May 15, 2025
Communication of bibliographic data
May 15, 2025
Communication to opponent concerning maintenance
May 15, 2025
Communication with request to file translations
May 12, 2025
Maintenance of the patent with the documents specified in the final decision
Apr 29, 2025
Decision of the Board of Appeal
Apr 29, 2025
F3032 Notification(s) of the decision
Apr 29, 2025
F3032 Notification(s) of the decision
Apr 29, 2025
F3032 Notification(s) of the decision
Feb 19, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 19, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 19, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 19, 2025
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Feb 19, 2025
Refund of fees
Feb 3, 2025
F3345 Forwarding of submissions to parties
Feb 3, 2025
F3345 Forwarding of submissions to parties
Feb 2, 2025
(Electronic) Receipt
Feb 2, 2025
Letter accompanying subsequently filed items
Feb 2, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 13, 2025
F3345 Forwarding of submissions to parties
Jan 13, 2025
F3345 Forwarding of submissions to parties
Jan 8, 2025
Letter dealing with oral proceedings during the appeal procedure
Sep 10, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Sep 10, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Sep 10, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Sep 10, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 10, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 10, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 5, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Aug 6, 2024
F3345 Forwarding of submissions to parties
Aug 6, 2024
F3345 Forwarding of submissions to parties
Aug 1, 2024
(Electronic) Receipt
Aug 1, 2024
Letter accompanying subsequently filed items
Aug 1, 2024
Letter dealing with oral proceedings during the appeal procedure
Jun 3, 2024
F3345 Forwarding of submissions to parties
Jun 3, 2024
F3345 Forwarding of submissions to parties
May 28, 2024
(Electronic) Receipt
May 28, 2024
Letter accompanying subsequently filed items
May 28, 2024
Letter dealing with oral proceedings during the appeal procedure
May 3, 2024
F3345 Forwarding of submissions to parties
May 3, 2024
F3345 Forwarding of submissions to parties
Apr 30, 2024
(Electronic) Receipt
Apr 30, 2024
Letter accompanying subsequently filed items
Apr 30, 2024
Letter dealing with oral proceedings during the appeal procedure
Apr 3, 2024
F3011.1 Oral Proceedings: summons
Apr 3, 2024
F3011.1 Oral Proceedings: summons
Apr 3, 2024
F3011.1 Oral Proceedings: summons
Mar 27, 2024
F3010 Oral proceedings: order for summons
Mar 22, 2024
Composition of the board (T)
Mar 13, 2024
Letter accompanying subsequently filed items
Dec 19, 2023
Communication of the registration of a transfer or change of name and/or address
Dec 19, 2023
F3345 Forwarding of submissions to parties
Dec 19, 2023
F3345 Forwarding of submissions to parties
Dec 5, 2023
Annexes in respect of a client data request
Dec 5, 2023
Annexes in respect of a client data request
Dec 5, 2023
Annexes in respect of a client data request
Dec 5, 2023
Annexes in respect of a client data request
Dec 5, 2023
Annexes in respect of a client data request
Dec 5, 2023
Annexes in respect of a client data request
Dec 5, 2023
Annexes in respect of a client data request
Dec 5, 2023
General authorisation
Dec 5, 2023
Letter accompanying subsequently filed items
Dec 5, 2023
Submission concerning change of applicant's name
Oct 27, 2023
F3345 Forwarding of submissions to parties
Oct 27, 2023
F3345 Forwarding of submissions to parties
Oct 24, 2023
(Electronic) Receipt
Oct 24, 2023
Letter accompanying subsequently filed items
Oct 24, 2023
Letter relating to Appeal Procedure
Jul 21, 2023
F3345 Forwarding of submissions to parties
Jul 21, 2023
F3345 Forwarding of submissions to parties
Jul 18, 2023
(Electronic) Receipt
Jul 18, 2023
Letter accompanying subsequently filed items
Jul 18, 2023
Letter relating to Appeal Procedure
May 8, 2023
F3345 Forwarding of submissions to parties
May 8, 2023
F3345 Forwarding of submissions to parties
May 2, 2023
(Electronic) Receipt
May 2, 2023
Letter accompanying subsequently filed items
May 2, 2023
Letter relating to Appeal Procedure
Apr 5, 2023
F3345 Forwarding of submissions to parties
Apr 5, 2023
F3345 Forwarding of submissions to parties
Mar 30, 2023
(Electronic) Receipt
Mar 30, 2023
Letter accompanying subsequently filed items
Mar 30, 2023
Letter relating to Appeal Procedure
Jan 9, 2023
F3345 Forwarding of submissions to parties
Jan 9, 2023
F3345 Forwarding of submissions to parties
Jan 9, 2023
F3345 Forwarding of submissions to parties
Jan 9, 2023
F3345 Forwarding of submissions to parties
Jan 2, 2023
(Electronic) Receipt
Jan 2, 2023
Amended claims with annotations
Jan 2, 2023
Amended claims with annotations
Jan 2, 2023
Amended claims with annotations
Jan 2, 2023
Amended claims with annotations
Jan 2, 2023
Auxiliary request during appeals procedure - 06
Jan 2, 2023
Auxiliary request during appeals procedure - 07
Jan 2, 2023
Auxiliary request during appeals procedure - 08
Jan 2, 2023
Auxiliary request during appeals procedure - 09
Jan 2, 2023
Letter accompanying subsequently filed items
Jan 2, 2023
Reply to appeal
Dec 29, 2022
(Electronic) Receipt
Dec 29, 2022
Letter accompanying subsequently filed items
Dec 29, 2022
Reply to appeal
Dec 19, 2022
Communication concerning the filing of a power of attorney
Dec 19, 2022
Communication of amended entries concerning the representative
Dec 19, 2022
F3345 Forwarding of submissions to parties
Dec 19, 2022
F3345 Forwarding of submissions to parties
Dec 15, 2022
F3345 Forwarding of submissions to parties
Dec 15, 2022
F3345 Forwarding of submissions to parties
Dec 15, 2022
F3345 Forwarding of submissions to parties
Dec 14, 2022
(Electronic) Receipt
Dec 14, 2022
Authorisation
Dec 14, 2022
Letter accompanying subsequently filed items
Dec 14, 2022
Submission concerning change of applicant's representative
Dec 13, 2022
(Electronic) Receipt
Dec 13, 2022
Letter accompanying subsequently filed items
Dec 13, 2022
Reply to appeal
Oct 31, 2022
F3345 Forwarding of submissions to parties
Oct 31, 2022
F3345 Forwarding of submissions to parties
Oct 26, 2022
Communication of amended entries concerning the representative
Oct 26, 2022
Communication of the registration of a transfer or change of name and/or address
Oct 20, 2022
Annexes in respect of a client data request
Oct 20, 2022
Annexes in respect of a client data request
Oct 20, 2022
General authorisation
Oct 20, 2022
Letter accompanying subsequently filed items
Oct 20, 2022
Submission concerning a transfer of rights (applicant)
Oct 20, 2022
Submission concerning a transfer of rights (applicant)
Aug 22, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 22, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 22, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 17, 2022
(Electronic) Receipt
Aug 17, 2022
Letter accompanying subsequently filed items
Aug 17, 2022
Statement of grounds of appeal
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Amended claims with annotations
Aug 10, 2022
Auxiliary request during appeals procedure - 03
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Statement of grounds of appeal
Jun 23, 2022
F3204 Communication of the file number to the parties
Jun 23, 2022
F3204 Communication of the file number to the parties
Jun 23, 2022
F3204 Communication of the file number to the parties
Jun 23, 2022
F3204 Communication of the file number to the parties
Jun 23, 2022
F3204 Communication of the file number to the parties
Jun 23, 2022
F3204 Communication of the file number to the parties
Jun 17, 2022
(Electronic) Receipt
Jun 17, 2022
(Electronic) Receipt
Jun 17, 2022
Letter accompanying subsequently filed items
Jun 17, 2022
Letter accompanying subsequently filed items
Jun 17, 2022
Notice of appeal
Jun 17, 2022
Notice of appeal
Apr 11, 2022
Advice of delivery
Apr 11, 2022
Advice of delivery
Apr 7, 2022
Annex to the communication - opposition
Apr 7, 2022
Decision of the Opposition Division and instruction
Apr 7, 2022
Druckexemplar in opposition procedure
Apr 7, 2022
Grounds for the decision (Annex) - opposition
Apr 7, 2022
Interlocutory decision in opposition proceedings
Apr 7, 2022
Interlocutory decision in opposition proceedings
Apr 7, 2022
Interlocutory decision in opposition proceedings
Apr 7, 2022
Means of redress
Apr 7, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 7, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 7, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 7, 2022
Provision of a copy of the minutes - opposition procedure
Apr 7, 2022
Provision of a copy of the minutes - opposition procedure
Apr 7, 2022
Provision of a copy of the minutes - opposition procedure
Apr 7, 2022
Provision of a copy of the minutes - opposition procedure
Apr 7, 2022
Scanned annex to a communication - opposition procedure
Apr 7, 2022
Scanned annex to a communication - opposition procedure
Apr 7, 2022
Transmittal of decision / summons - opposition
Apr 7, 2022
Transmittal of decision / summons - opposition
Apr 7, 2022
Transmittal of decision / summons - opposition
Nov 30, 2021
Brief communication - Opposition proceedings
Nov 30, 2021
Brief communication - Opposition proceedings
Nov 30, 2021
Information about the result of oral proceedings
Nov 26, 2021
(Electronic) Receipt
Nov 26, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
(Electronic) Receipt
Nov 22, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
Written submission in preparation to/during oral proceedings
Oct 19, 2021
Brief communication - Opposition proceedings
Oct 19, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
(Electronic) Receipt
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
Brief communication - Opposition proceedings
Oct 7, 2021
Letter accompanying subsequently filed items
Oct 7, 2021
Written submission in preparation to/during oral proceedings
Sep 30, 2021
(Electronic) Receipt
Sep 30, 2021
Amended claims with annotations
Sep 30, 2021
Auxiliary request during Opposition procedure
Sep 30, 2021
Auxiliary request during Opposition procedure
Sep 30, 2021
Auxiliary request during Opposition procedure
Sep 30, 2021
Auxiliary request during Opposition procedure
Sep 30, 2021
Auxiliary request during Opposition procedure
Sep 30, 2021
Auxiliary request during Opposition procedure - 01
Sep 30, 2021
Auxiliary request during Opposition procedure - 02
Sep 30, 2021
Auxiliary request during Opposition procedure - 03
Sep 30, 2021
Auxiliary request during Opposition procedure - 04
Sep 30, 2021
Auxiliary request during Opposition procedure - 05
Sep 30, 2021
Letter accompanying subsequently filed items
Sep 30, 2021
Main request during Opposition procedure
Sep 30, 2021
Written submission in preparation to/during oral proceedings
Sep 29, 2021
(Electronic) Receipt
Sep 29, 2021
Letter accompanying subsequently filed items
Sep 29, 2021
Written submission in preparation to/during oral proceedings
Jul 15, 2021
Advice of delivery
Jul 14, 2021
(Electronic) Receipt
Jul 14, 2021
Advice of delivery
Jul 14, 2021
Letter accompanying subsequently filed items
Jul 13, 2021
Advice of delivery
Jul 8, 2021
Annex to the communication - opposition
Jul 8, 2021
Brief communication - Opposition proceedings
Jul 8, 2021
Brief communication - Opposition proceedings
Jul 8, 2021
Information concerning oral proceedings
Jul 8, 2021
Summons to attend oral proceedings
Jul 8, 2021
Summons to attend oral proceedings
Jul 8, 2021
Transmittal of decision / summons - opposition
Jul 8, 2021
Transmittal of decision / summons - opposition
Jul 8, 2021
Transmittal of decision / summons - opposition
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Citation in opposition procedure - 009
Jul 1, 2021
Consolidated list of cited opposition documents
Jul 1, 2021
Letter accompanying subsequently filed items
Jul 1, 2021
Written submission in preparation to/during oral proceedings
Mar 24, 2021
Brief communication - Opposition proceedings
Mar 17, 2021
(Electronic) Receipt
Mar 17, 2021
Letter accompanying subsequently filed items
Mar 17, 2021
Request for interpreters during oral proceedings
Mar 16, 2021
(Electronic) Receipt
Mar 16, 2021
Letter accompanying subsequently filed items
Mar 16, 2021
Request for interpreters during oral proceedings
Mar 12, 2021
(Electronic) Receipt
Mar 12, 2021
Letter accompanying subsequently filed items
Mar 12, 2021
Request for interpreters during oral proceedings
Mar 4, 2021
Brief communication - Opposition proceedings
Mar 4, 2021
Brief communication - Opposition proceedings
Mar 4, 2021
Brief communication - Opposition proceedings
Dec 11, 2020
Brief communication - Opposition proceedings
Dec 11, 2020
Brief communication - Opposition proceedings
Dec 7, 2020
(Electronic) Receipt
Dec 7, 2020
Letter accompanying subsequently filed items
Dec 7, 2020
Letter regarding the opposition procedure (no time limit)
Oct 28, 2020
Brief communication - Opposition proceedings
Oct 28, 2020
Brief communication - Opposition proceedings
Oct 22, 2020
(Electronic) Receipt
Oct 22, 2020
Auxiliary request during Opposition procedure
Oct 22, 2020
Auxiliary request during Opposition procedure - 01
Oct 22, 2020
Letter accompanying subsequently filed items
Oct 22, 2020
Main request during Opposition procedure
Oct 22, 2020
Main request during Opposition procedure
Oct 22, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 17, 2020
Communication of a notice of opposition and request to file observations
Jun 17, 2020
Notice of further oppositions to opponent(s)
Jun 17, 2020
Notice of further oppositions to opponent(s)
Apr 24, 2020
Communication of a notice of opposition - first information to patent proprietor
Apr 16, 2020
(Electronic) Receipt
Apr 16, 2020
Brief communication - Opposition proceedings
Apr 16, 2020
Citation in opposition procedure
Apr 16, 2020
Citation in opposition procedure
Apr 16, 2020
Citation in opposition procedure
Apr 16, 2020
Citation in opposition procedure
Apr 16, 2020
Citation in opposition procedure
Apr 16, 2020
Citation in opposition procedure
Apr 16, 2020
Citation in opposition procedure
Apr 16, 2020
Citation in opposition procedure
Apr 16, 2020
Citation in opposition procedure - 008
Apr 16, 2020
Notice of opposition
Apr 16, 2020
Notice of opposition
Apr 9, 2020
(Electronic) Receipt
Apr 9, 2020
Citation in opposition procedure - 003
Apr 9, 2020
Citation in opposition procedure - 005
Apr 9, 2020
Citation in opposition procedure - 006
Apr 9, 2020
Letter accompanying subsequently filed items
Apr 9, 2020
Letter regarding the opposition procedure (no time limit)
Mar 16, 2020
Brief communication - Opposition proceedings
Mar 16, 2020
Request for the date of publication in citations
Mar 13, 2020
Communication of a notice of opposition - first information to patent proprietor
Mar 4, 2020
(Electronic) Receipt
Mar 4, 2020
Citation in opposition procedure
Mar 4, 2020
Citation in opposition procedure
Mar 4, 2020
Citation in opposition procedure
Mar 4, 2020
Citation in opposition procedure - 001
Mar 4, 2020
Citation in opposition procedure - 002
Mar 4, 2020
Citation in opposition procedure - 004
Mar 4, 2020
Citation in opposition procedure - 004
Mar 4, 2020
Citation in opposition procedure - 005
Mar 4, 2020
Citation in opposition procedure - 007
Mar 4, 2020
Notice of opposition
Mar 4, 2020
Notice of opposition
Jul 1, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 23, 2019
Decision to grant a European patent
May 13, 2019
(Electronic) Receipt
May 13, 2019
Filing of the translations of the claims
May 13, 2019
French translation of claims
May 13, 2019
German translation of the claims
Jan 14, 2019
Bibliographic data of the European patent application
Jan 14, 2019
Communication about intention to grant a European patent
Jan 14, 2019
Intention to grant (signatures)
Jan 14, 2019
Text intended for grant (clean copy)
Jan 14, 2019
Text intended for grant (version for approval)
Dec 12, 2018
Examination started
Oct 23, 2017
Amended claims filed after receipt of (European) search report
Oct 23, 2017
Amended claims with annotations
Oct 23, 2017
Amended description filed after receipt of (European) search report
Oct 23, 2017
Amended description with annotations
Oct 23, 2017
Amendments received before examination
Oct 23, 2017
Payment of fees and costs
Jul 31, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jun 28, 2017
Notification of forthcoming publication
Jun 6, 2017
Communication regarding the transmission of the European search report
Jun 6, 2017
European search opinion
Jun 6, 2017
European search report
Jun 6, 2017
Information on Search Strategy
May 17, 2017
Search started
Mar 31, 2017
Confirmation of receipt of (electronically) transmitted priority document
Mar 24, 2017
Priority document (electronically transmitted)
Mar 14, 2017
Communication to designated inventor
Mar 14, 2017
Communication to designated inventor
Mar 14, 2017
Communication to designated inventor
Mar 14, 2017
Communication to designated inventor
Jan 19, 2017
Abstract
Jan 19, 2017
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 19, 2017
Claims
Jan 19, 2017
Description
Jan 19, 2017
Designation of inventor
Jan 19, 2017
Drawings
Jan 19, 2017
Request for grant of a European patent

EP3196945

LG ELECTRONICS

Application Number: EP17152171A
Filing Date: Jan 19, 2017
Status: Patent Maintained As Amended; May 29, 2025
Publication Date: Jul 2, 2025
External Links: Slate, EP3196945B2, Google Patents

IP Verse

Solar Cell

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3196945