Four Junction Solar Cell For Space Applications

Patent No. EP3133650 (titled "Four Junction Solar Cell For Space Applications") was filed by Solaero on Aug 2, 2016. The application was issued on Sep 23, 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
AZUR SPACE SOLAR POWER	Jun 23, 2021	KOCH MULLER PATENTANWALTSGESELLSCHAFT

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

Nov 13, 2025
Communication of bibliographic data
Nov 13, 2025
Communication to opponent concerning maintenance
Nov 13, 2025
Communication with request to file translations
Nov 5, 2025
Maintenance of the patent with the documents specified in the final decision
Oct 27, 2025
Decision of the Board of Appeal
Oct 27, 2025
F3032 Notification(s) of the decision
Oct 27, 2025
F3032 Notification(s) of the decision
Sep 11, 2025
Annexes (other than cited documents) regarding appeal procedure
Sep 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Sep 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Sep 11, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Aug 29, 2025
F3345 Forwarding of submissions to parties
Aug 26, 2025
(Electronic) Receipt
Aug 26, 2025
Letter accompanying subsequently filed items
Aug 26, 2025
Letter dealing with oral proceedings during the appeal procedure
Aug 8, 2025
F3018 Oral proceedings: Confirmation interpreters
Aug 8, 2025
F3018 Oral proceedings: Confirmation interpreters
Aug 6, 2025
F3345 Forwarding of submissions to parties
Aug 6, 2025
F3345 Forwarding of submissions to parties
Aug 5, 2025
F3345 Forwarding of submissions to parties
Aug 4, 2025
(Electronic) Receipt
Aug 4, 2025
F3345 Forwarding of submissions to parties
Aug 4, 2025
Letter accompanying subsequently filed items
Aug 4, 2025
Request for interpreters during oral proceedings
Aug 1, 2025
(Electronic) Receipt
Aug 1, 2025
(Electronic) Receipt
Aug 1, 2025
Cited document during appeal procedure
Aug 1, 2025
Letter accompanying subsequently filed items
Aug 1, 2025
Letter accompanying subsequently filed items
Aug 1, 2025
Request for interpreters during oral proceedings
Jul 31, 2025
(Electronic) Receipt
Jul 31, 2025
Cited document during appeal procedure
Jul 31, 2025
Cited document during appeal procedure
Jul 31, 2025
F3345 Forwarding of submissions to parties
Jul 31, 2025
Letter accompanying subsequently filed items
Jul 31, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 31, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 30, 2025
(Electronic) Receipt
Jul 30, 2025
(Electronic) Receipt
Jul 30, 2025
Cited document during appeal procedure
Jul 30, 2025
Cited document during appeal procedure
Jul 30, 2025
Letter accompanying subsequently filed items
Jul 30, 2025
Letter accompanying subsequently filed items
Jul 30, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 7, 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
Feb 18, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 18, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 28, 2024
F3011.1 Oral Proceedings: summons
Nov 28, 2024
F3011.1 Oral Proceedings: summons
Nov 25, 2024
F3010 Oral proceedings: order for summons
Nov 18, 2024
Composition of the board (T)
Sep 19, 2024
F3345 Forwarding of submissions to parties
Sep 17, 2024
(Electronic) Receipt
Sep 17, 2024
(Electronic) Receipt
Sep 17, 2024
Letter accompanying subsequently filed items
Sep 17, 2024
Letter accompanying subsequently filed items
Sep 17, 2024
Letter relating to Appeal Procedure
Sep 17, 2024
Letter relating to Appeal Procedure
Aug 22, 2024
F3345 Forwarding of submissions to parties
Aug 19, 2024
(Electronic) Receipt
Aug 19, 2024
Letter accompanying subsequently filed items
Aug 19, 2024
Letter relating to Appeal Procedure
Oct 25, 2023
F3345 Forwarding of submissions to parties
Oct 22, 2023
Letter relating to Appeal Procedure
Aug 24, 2023
F3345 Forwarding of submissions to parties
Aug 18, 2023
(Electronic) Receipt
Aug 18, 2023
Amended claims with annotations
Aug 18, 2023
Amended claims with annotations
Aug 18, 2023
Amended claims with annotations
Aug 18, 2023
Auxiliary request during appeals procedure - 01
Aug 18, 2023
Auxiliary request during appeals procedure - 02
Aug 18, 2023
Claims
Aug 18, 2023
Letter accompanying subsequently filed items
Aug 18, 2023
Reply to appeal
Apr 20, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 15, 2023
Statement of grounds of appeal
Dec 23, 2022
F3204 Communication of the file number to the parties
Dec 23, 2022
F3204 Communication of the file number to the parties
Dec 16, 2022
Advice of delivery
Dec 15, 2022
Annex to the communication - opposition
Dec 15, 2022
Decision of the Opposition Division and instruction
Dec 15, 2022
Druckexemplar in opposition procedure
Dec 15, 2022
Grounds for the decision (Annex) - opposition
Dec 15, 2022
Interlocutory decision in opposition proceedings
Dec 15, 2022
Interlocutory decision in opposition proceedings
Dec 15, 2022
Means of redress
Dec 15, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 15, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 15, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 15, 2022
Provision of a copy of the minutes - opposition procedure
Dec 15, 2022
Provision of a copy of the minutes - opposition procedure
Dec 15, 2022
Scanned annex to a communication - opposition procedure
Dec 15, 2022
Transmittal of decision / summons - opposition
Dec 15, 2022
Transmittal of decision / summons - opposition
Oct 22, 2022
Notice of appeal
Oct 22, 2022
Notice of appeal
Oct 18, 2022
Amended description with annotations
Oct 18, 2022
Description
Oct 18, 2022
Information about the result of oral proceedings
Oct 17, 2022
Brief communication - Opposition proceedings
Oct 12, 2022
(Electronic) Receipt
Oct 12, 2022
Letter accompanying subsequently filed items
Oct 12, 2022
Written submission in preparation to/during oral proceedings
Oct 6, 2022
Brief communication - Opposition proceedings
Sep 30, 2022
Letter regarding the opposition procedure (no time limit)
Sep 16, 2022
Brief communication - Opposition proceedings
Sep 16, 2022
Brief communication - Opposition proceedings
Sep 6, 2022
Brief communication - Opposition proceedings
Sep 1, 2022
(Electronic) Receipt
Sep 1, 2022
Letter accompanying subsequently filed items
Sep 1, 2022
Request for interpreters during oral proceedings
Aug 24, 2022
Brief communication - Opposition proceedings
Aug 23, 2022
Brief communication - Opposition proceedings
Aug 23, 2022
Brief communication - Opposition proceedings
Aug 22, 2022
Brief communication - Opposition proceedings
Aug 19, 2022
Request for interpreters during oral proceedings
Aug 18, 2022
(Electronic) Receipt
Aug 18, 2022
Auxiliary request during Opposition procedure
Aug 18, 2022
Auxiliary request during Opposition procedure
Aug 18, 2022
Auxiliary request during Opposition procedure
Aug 18, 2022
Auxiliary request during Opposition procedure - 01
Aug 18, 2022
Auxiliary request during Opposition procedure - 02
Aug 18, 2022
Auxiliary request during Opposition procedure - 03
Aug 18, 2022
Letter accompanying subsequently filed items
Aug 18, 2022
Main request during Opposition procedure
Aug 18, 2022
Main request during Opposition procedure
Aug 18, 2022
Written submission in preparation to/during oral proceedings
Aug 17, 2022
(Electronic) Receipt
Aug 17, 2022
Citation in opposition procedure - 025
Aug 17, 2022
Citation in opposition procedure - 026
Aug 17, 2022
Citation in opposition procedure - 027
Aug 17, 2022
Citation in opposition procedure - 028
Aug 17, 2022
Citation in opposition procedure - 029
Aug 17, 2022
Consolidated list of cited opposition documents
Aug 17, 2022
Letter accompanying subsequently filed items
Aug 17, 2022
Written submission in preparation to/during oral proceedings
Aug 16, 2022
Any annexes (other than citation) to an opposition letter
Aug 16, 2022
Written submission in preparation to/during oral proceedings
Apr 20, 2022
Advice of delivery
Apr 19, 2022
Annex to the communication - opposition
Apr 19, 2022
Information concerning oral proceedings
Apr 19, 2022
Summons to attend oral proceedings
Apr 19, 2022
Summons to attend oral proceedings
Apr 19, 2022
Transmittal of decision / summons - opposition
Apr 19, 2022
Transmittal of decision / summons - opposition
Dec 7, 2021
Brief communication - Opposition proceedings
Nov 30, 2021
(Electronic) Receipt
Nov 30, 2021
Auxiliary request during Opposition procedure
Nov 30, 2021
Auxiliary request during Opposition procedure
Nov 30, 2021
Auxiliary request during Opposition procedure
Nov 30, 2021
Auxiliary request during Opposition procedure
Nov 30, 2021
Auxiliary request during Opposition procedure
Nov 30, 2021
Auxiliary request during Opposition procedure
Nov 30, 2021
Auxiliary request during Opposition procedure - 01
Nov 30, 2021
Auxiliary request during Opposition procedure - 02
Nov 30, 2021
Auxiliary request during Opposition procedure - 03
Nov 30, 2021
Auxiliary request during Opposition procedure - 04
Nov 30, 2021
Auxiliary request during Opposition procedure - 05
Nov 30, 2021
Auxiliary request during Opposition procedure - 06
Nov 30, 2021
Letter accompanying subsequently filed items
Nov 30, 2021
Reply of the patent proprietor to the notice(s) of opposition
Aug 17, 2021
Communication of a notice of opposition and request to file observations
Aug 17, 2021
Notice of further oppositions to opponent(s)
Aug 4, 2021
Brief communication - Opposition proceedings
Jul 13, 2021
Communication of a notice of opposition - first information to patent proprietor
Jul 2, 2021
Citation in opposition procedure - 001
Jul 2, 2021
Citation in opposition procedure - 002
Jul 2, 2021
Citation in opposition procedure - 003
Jul 2, 2021
Citation in opposition procedure - 004
Jul 2, 2021
Citation in opposition procedure - 005
Jul 2, 2021
Citation in opposition procedure - 006
Jul 2, 2021
Citation in opposition procedure - 007
Jul 2, 2021
Citation in opposition procedure - 008
Jul 2, 2021
Citation in opposition procedure - 009
Jul 2, 2021
Citation in opposition procedure - 010
Jul 2, 2021
Citation in opposition procedure - 011
Jul 2, 2021
Citation in opposition procedure - 012
Jul 2, 2021
Citation in opposition procedure - 013
Jul 2, 2021
Citation in opposition procedure - 014
Jul 2, 2021
Citation in opposition procedure - 015
Jul 2, 2021
Citation in opposition procedure - 016
Jul 2, 2021
Citation in opposition procedure - 017
Jul 2, 2021
Citation in opposition procedure - 018
Jul 2, 2021
Citation in opposition procedure - 019
Jul 2, 2021
Citation in opposition procedure - 020
Jul 2, 2021
Citation in opposition procedure - 021
Jul 2, 2021
Citation in opposition procedure - 022
Jul 2, 2021
Citation in opposition procedure - 023
Jul 2, 2021
Citation in opposition procedure - 024
Jul 2, 2021
Non-scannable object
Jul 2, 2021
Notice of opposition
Jun 23, 2021
Notice of opposition
Jun 23, 2021
Notice of opposition
Jun 23, 2021
Notice of opposition
Oct 5, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 27, 2020
Decision to grant a European patent
Jul 20, 2020
(Electronic) Receipt
Jul 20, 2020
Filing of the translations of the claims
Jul 20, 2020
French translation of claims
Jul 20, 2020
German translation of the claims
Jul 20, 2020
Letter accompanying subsequently filed items
Mar 16, 2020
Bibliographic data of the European patent application
Mar 16, 2020
Communication about intention to grant a European patent
Mar 16, 2020
Intention to grant (signatures)
Mar 16, 2020
Text intended for grant (clean copy)
Mar 16, 2020
Text intended for grant (version for approval)
Mar 11, 2020
Communication confirming withdrawal from representation
Mar 11, 2020
Communication of amended entries concerning the representative
Mar 5, 2020
Submission concerning change of applicant's representative
Mar 3, 2020
Invitation to file an authorisation
Feb 17, 2020
Communication to designated inventor
Feb 13, 2020
General authorisation
Feb 13, 2020
Submission concerning change of applicant's representative
Jul 10, 2019
Acknowledgement of receipt of third party observations
Jul 10, 2019
Transmittal of third party observations to applicant
Jul 3, 2019
Non-patent literature cited during the examination procedure
Jul 3, 2019
Non-patent literature cited during the examination procedure
Jul 3, 2019
Observations by third parties
Jul 1, 2019
Observations by third parties
Jun 25, 2019
(Electronic) Receipt
Jun 25, 2019
Amended claims with annotations
Jun 25, 2019
Amended description with annotations
Jun 25, 2019
Claims
Jun 25, 2019
Description
Jun 25, 2019
Letter accompanying subsequently filed items
Jun 25, 2019
Reply to communication from the Examining Division
Mar 14, 2019
Annex to the communication
Mar 14, 2019
Communication from the Examining Division
Dec 21, 2018
(Electronic) Receipt
Dec 21, 2018
Amended claims with annotations
Dec 21, 2018
Amended description with annotations
Dec 21, 2018
Claims
Dec 21, 2018
Description
Dec 21, 2018
Letter accompanying subsequently filed items
Dec 21, 2018
Reply to communication from the Examining Division
Oct 18, 2018
Grant of extension of time limit (examination procedure)
Oct 12, 2018
Request for extension of time limit to communication from the Examining Division
Sep 10, 2018
Submission concerning representation
Sep 4, 2018
Acknowledgement of receipt of third party observations
Sep 4, 2018
Transmittal of third party observations to applicant
Aug 22, 2018
Communication concerning the filing of a power of attorney
Aug 22, 2018
Communication of amended entries concerning the representative
Aug 16, 2018
Non-patent literature filed by a third party
Aug 16, 2018
Non-scannable object
Aug 16, 2018
Non-scannable object
Aug 16, 2018
Observations by third parties
Aug 16, 2018
Patent document filed by a Third party
Aug 16, 2018
Patent document filed by a Third party
Jul 30, 2018
Authorisation
Jul 30, 2018
Submission concerning change of applicant's representative
Jul 26, 2018
Non-patent literature filed by a third party
Jul 26, 2018
Observations by third parties
Jun 14, 2018
Annex to the communication
Jun 14, 2018
Communication from the Examining Division
Jun 7, 2018
Examination started
Jun 8, 2017
(Electronic) Receipt
Jun 8, 2017
Amended claims filed after receipt of (European) search report
Jun 8, 2017
Amended claims with annotations
Jun 8, 2017
Amendments received before examination
Jun 8, 2017
Letter accompanying subsequently filed items
Feb 27, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jan 25, 2017
Notification of forthcoming publication
Jan 10, 2017
Communication regarding the transmission of the European search report
Jan 10, 2017
European search opinion
Jan 10, 2017
European search report
Jan 10, 2017
Information on Search Strategy
Jan 3, 2017
Modified abstract
Dec 22, 2016
Search started
Oct 7, 2016
Confirmation of receipt of (electronically) transmitted priority document
Oct 4, 2016
Priority document (electronically transmitted)
Sep 23, 2016
Communication to designated inventor
Aug 2, 2016
Abstract
Aug 2, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 2, 2016
Annex
Aug 2, 2016
Claims
Aug 2, 2016
Description
Aug 2, 2016
Designation of inventor
Aug 2, 2016
Drawings
Aug 2, 2016
Request for grant of a European patent

EP3133650

SOLAERO

Application Number: EP16182474A
Filing Date: Aug 2, 2016
Status: Granted And Under Opposition; Aug 21, 2020
Publication Date: Sep 23, 2020
External Links: Slate, Register , Google Patents

IP Verse

Four Junction Solar Cell For Space Applications

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3133650