Method Of Manufacturing Solar Cell

Patent No. EP3349257 (titled "Method Of Manufacturing Solar Cell") was filed by LG Electronics on Jan 10, 2018. The application was issued on Oct 7, 2020.

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
WILSON GUNN MANCHESTER	Jul 6, 2021	-

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

Sep 12, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 12, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 12, 2025
Oral proceedings: change of venue
Sep 12, 2025
Oral proceedings: change of venue
Jul 9, 2025
F3345 Forwarding of submissions to parties
Jul 4, 2025
(Electronic) Receipt
Jul 4, 2025
Letter accompanying subsequently filed items
Jul 4, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 27, 2025
F3345 Forwarding of submissions to parties
Jun 25, 2025
(Electronic) Receipt
Jun 25, 2025
Letter accompanying subsequently filed items
Jun 25, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 5, 2025
F3011.1 Oral Proceedings: summons
Jun 5, 2025
F3011.1 Oral Proceedings: summons
Jun 2, 2025
F3010 Oral proceedings: order for summons
May 28, 2025
Composition of the board (T)
Jul 19, 2024
F3345 Forwarding of submissions to parties
Jul 16, 2024
(Electronic) Receipt
Jul 16, 2024
Letter accompanying subsequently filed items
Jul 16, 2024
Letter relating to Appeal Procedure
Jan 23, 2024
F3345 Forwarding of submissions to parties
Jan 18, 2024
(Electronic) Receipt
Jan 18, 2024
Letter accompanying subsequently filed items
Jan 18, 2024
Letter relating to Appeal Procedure
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 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 30, 2023
F3345 Forwarding of submissions to parties
Oct 25, 2023
(Electronic) Receipt
Oct 25, 2023
Auxiliary request during appeals procedure - 01
Oct 25, 2023
Auxiliary request during appeals procedure - 02
Oct 25, 2023
Letter accompanying subsequently filed items
Oct 25, 2023
Reply to appeal
Jul 14, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 10, 2023
(Electronic) Receipt
Jul 10, 2023
Annexes (other than cited documents) regarding appeal procedure
Jul 10, 2023
Annexes (other than cited documents) regarding appeal procedure
Jul 10, 2023
Letter accompanying subsequently filed items
Jul 10, 2023
Statement of grounds of appeal
Jul 10, 2023
Statement of grounds of appeal
May 4, 2023
Communication confirming withdrawal from representation
May 4, 2023
Communication of amended entries concerning the representative
May 4, 2023
F3345 Forwarding of submissions to parties
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
Annexes (other than cited documents) regarding appeal procedure
Apr 27, 2023
General authorisation
Apr 27, 2023
Letter accompanying subsequently filed items
Apr 27, 2023
Letter accompanying subsequently filed items
Apr 27, 2023
Submission concerning change of applicant's representative
Apr 27, 2023
Submission concerning change of applicant's representative
Apr 24, 2023
F3204 Communication of the file number to the parties
Apr 24, 2023
F3204 Communication of the file number to the parties
Apr 18, 2023
(Electronic) Receipt
Apr 18, 2023
Letter accompanying subsequently filed items
Apr 18, 2023
Notice of appeal
Apr 17, 2023
(Electronic) Receipt
Apr 17, 2023
Advice of delivery
Apr 17, 2023
Letter accompanying subsequently filed items
Apr 11, 2023
Communication about missing advice of delivery
Mar 10, 2023
Advice of delivery
Mar 3, 2023
Annex to the communication - opposition
Mar 3, 2023
Decision of the Opposition Division and instruction
Mar 3, 2023
Decision rejecting the opposition
Mar 3, 2023
Decision rejecting the opposition
Mar 3, 2023
Grounds for the decision (Annex) - opposition
Mar 3, 2023
Means of redress
Mar 3, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 3, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 3, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 3, 2023
Provision of a copy of the minutes - opposition procedure
Mar 3, 2023
Provision of a copy of the minutes - opposition procedure
Mar 3, 2023
Scanned annex to a communication - opposition procedure
Mar 3, 2023
Transmittal of decision / summons - opposition
Mar 3, 2023
Transmittal of decision / summons - opposition
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)
Oct 4, 2022
Brief communication - Opposition proceedings
Oct 4, 2022
Information about the result of oral proceedings
Sep 27, 2022
(Electronic) Receipt
Sep 27, 2022
Letter accompanying subsequently filed items
Sep 27, 2022
Written submission in preparation to/during oral proceedings
Aug 16, 2022
Brief communication - Opposition proceedings
Aug 10, 2022
Brief communication - Opposition proceedings
Aug 9, 2022
(Electronic) Receipt
Aug 9, 2022
Letter accompanying subsequently filed items
Aug 9, 2022
Request for interpreters during oral proceedings
Aug 5, 2022
Brief communication - Opposition proceedings
Aug 4, 2022
(Electronic) Receipt
Aug 4, 2022
(Electronic) Receipt
Aug 4, 2022
Citation in opposition procedure - 008
Aug 4, 2022
Citation in opposition procedure - 009
Aug 4, 2022
Citation in opposition procedure - 010
Aug 4, 2022
Citation in opposition procedure - 011
Aug 4, 2022
Citation in opposition procedure - 012
Aug 4, 2022
Citation in opposition procedure - 013
Aug 4, 2022
Citation in opposition procedure - 014
Aug 4, 2022
Citation in opposition procedure - 015
Aug 4, 2022
Consolidated list of cited opposition documents
Aug 4, 2022
Letter accompanying subsequently filed items
Aug 4, 2022
Letter accompanying subsequently filed items
Aug 4, 2022
Letter regarding the opposition procedure (no time limit)
Jul 28, 2022
(Electronic) Receipt
Jul 28, 2022
Letter accompanying subsequently filed items
Jul 28, 2022
Request for interpreters during oral proceedings
May 3, 2022
Notification concerning the date of oral proceedings
May 3, 2022
Notification concerning the date of oral proceedings
Feb 3, 2022
(Electronic) Receipt
Feb 3, 2022
Advice of delivery
Feb 3, 2022
Letter accompanying subsequently filed items
Jan 26, 2022
Advice of delivery
Jan 25, 2022
Annex to the communication - opposition
Jan 25, 2022
Information concerning oral proceedings
Jan 25, 2022
Summons to attend oral proceedings
Jan 25, 2022
Summons to attend oral proceedings
Jan 25, 2022
Transmittal of decision / summons - opposition
Jan 25, 2022
Transmittal of decision / summons - opposition
Nov 12, 2021
Brief communication - Opposition proceedings
Nov 9, 2021
(Electronic) Receipt
Nov 9, 2021
Auxiliary request during Opposition procedure
Nov 9, 2021
Auxiliary request during Opposition procedure
Nov 9, 2021
Auxiliary request during Opposition procedure - 01
Nov 9, 2021
Auxiliary request during Opposition procedure - 02
Nov 9, 2021
Letter accompanying subsequently filed items
Nov 9, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jul 21, 2021
Communication of a notice of opposition and request to file observations
Jul 21, 2021
Notice of further oppositions to opponent(s)
Jul 14, 2021
Communication of a notice of opposition - first information to patent proprietor
Jul 7, 2021
(Electronic) Receipt
Jul 7, 2021
Letter accompanying subsequently filed items
Jul 7, 2021
Notice of opposition
Jul 6, 2021
(Electronic) Receipt
Jul 6, 2021
Citation in opposition procedure - 001
Jul 6, 2021
Citation in opposition procedure - 002
Jul 6, 2021
Citation in opposition procedure - 003
Jul 6, 2021
Citation in opposition procedure - 004
Jul 6, 2021
Citation in opposition procedure - 005
Jul 6, 2021
Citation in opposition procedure - 006
Jul 6, 2021
Citation in opposition procedure - 007
Jul 6, 2021
Notice of opposition
Jul 6, 2021
Notice of opposition
Oct 19, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 10, 2020
Decision to grant a European patent
Aug 26, 2020
(Electronic) Receipt
Aug 26, 2020
French translation of claims
Aug 26, 2020
German translation of the claims
Aug 26, 2020
Letter accompanying subsequently filed items
Jun 18, 2020
Bibliographic data of the European patent application
Jun 18, 2020
Communication about intention to grant a European patent
Jun 18, 2020
Intention to grant (signatures)
Jun 18, 2020
Text intended for grant (clean copy)
Jun 18, 2020
Text intended for grant (version for approval)
Apr 30, 2020
Examination started
Nov 7, 2018
(Electronic) Receipt
Nov 7, 2018
Amended claims filed after receipt of (European) search report
Nov 7, 2018
Amended claims with annotations
Nov 7, 2018
Amended description filed after receipt of (European) search report
Nov 7, 2018
Amended description with annotations
Nov 7, 2018
Amendments received before examination
Nov 7, 2018
Letter concerning fees and payments
Jul 23, 2018
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jun 20, 2018
Notification of forthcoming publication
May 15, 2018
Communication regarding the transmission of the European search report
May 15, 2018
European search opinion
May 15, 2018
European search report
May 15, 2018
Information on Search Strategy
May 8, 2018
Modified abstract
May 2, 2018
Search started
Mar 20, 2018
Confirmation of receipt of (electronically) transmitted priority document
Mar 15, 2018
Priority document (electronically transmitted)
Mar 5, 2018
Communication to designated inventor
Mar 5, 2018
Communication to designated inventor
Mar 5, 2018
Communication to designated inventor
Jan 10, 2018
Abstract
Jan 10, 2018
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 10, 2018
Claims
Jan 10, 2018
Description
Jan 10, 2018
Designation of inventor
Jan 10, 2018
Drawings
Jan 10, 2018
Request for grant of a European patent

EP3349257

LG ELECTRONICS

Application Number: EP18150978A
Filing Date: Jan 10, 2018
Status: Granted And Under Opposition; Sep 4, 2020
Publication Date: Oct 7, 2020
External Links: Slate, EP3349257B1, Google Patents

IP Verse

Method Of Manufacturing Solar Cell

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3349257