Heat Of Compression Dryer System

Patent No. EP3003535 (titled "Heat Of Compression Dryer System") was filed by Ingersoll Rand on Jun 5, 2014. The application was issued on Mar 17, 2021.

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
ATLAS COPCO	Dec 16, 2021	NEDERLANDSCH OCTROOIBUREAU

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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Nov 17, 2025
Annex to the communication - opposition
Nov 17, 2025
Communication inviting the parties to file observations
Nov 17, 2025
Communication inviting the parties to file observations
Jul 25, 2025
Brief communication - Opposition proceedings
Jul 17, 2025
(Electronic) Receipt
Jul 17, 2025
Amended description with annotations
Jul 17, 2025
Description
Jul 17, 2025
Letter accompanying subsequently filed items
Jul 17, 2025
Reply to an examination report in opposition proceedings
Jul 3, 2025
Annex to the communication - opposition
Jul 3, 2025
Brief communication - Opposition proceedings
Jul 3, 2025
Brief communication - Opposition proceedings
Jul 3, 2025
Communication inviting the parties to file observations
Jul 3, 2025
Communication inviting the parties to file observations
May 21, 2025
Decision of the Board of Appeal
May 21, 2025
Decision of the Board of Appeal
May 21, 2025
F3032 Notification(s) of the decision
May 21, 2025
F3032 Notification(s) of the decision
Feb 27, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 27, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 27, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Feb 27, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 23, 2025
F3345 Forwarding of submissions to parties
Jan 21, 2025
(Electronic) Receipt
Jan 21, 2025
Letter accompanying subsequently filed items
Jan 21, 2025
Written submission in preparation to/during oral proceedings
Jan 20, 2025
(Electronic) Receipt
Jan 20, 2025
Letter accompanying subsequently filed items
Jan 20, 2025
Letter dealing with oral proceedings
Oct 17, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 17, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 24, 2024
F3011.2 Oral Proceedings: Summons VICO
Jul 24, 2024
F3011.2 Oral Proceedings: Summons VICO
Jul 19, 2024
F3010 Oral proceedings: order for summons
Feb 22, 2024
F3345 Forwarding of submissions to parties
Feb 16, 2024
(Electronic) Receipt
Feb 16, 2024
Amended claims with annotations
Feb 16, 2024
Amended claims with annotations
Feb 16, 2024
Amended claims with annotations
Feb 16, 2024
Amended claims with annotations
Feb 16, 2024
Amended claims with annotations
Feb 16, 2024
Letter accompanying subsequently filed items
Feb 16, 2024
Reply to appeal
Oct 6, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 2, 2023
(Electronic) Receipt
Oct 2, 2023
Letter regarding the opposition procedure (no time limit)
Oct 2, 2023
Statement of grounds of appeal
Aug 2, 2023
F3204 Communication of the file number to the parties
Aug 2, 2023
F3204 Communication of the file number to the parties
Aug 1, 2023
Composition of the board (T)
Jul 27, 2023
(Electronic) Receipt
Jul 27, 2023
Letter accompanying subsequently filed items
Jul 27, 2023
Notice of appeal
May 30, 2023
(Electronic) Receipt
May 30, 2023
Advice of delivery
May 30, 2023
Letter accompanying subsequently filed items
May 23, 2023
Annex to the communication - opposition
May 23, 2023
Decision of the Opposition Division and instruction
May 23, 2023
Decision rejecting the opposition
May 23, 2023
Decision rejecting the opposition
May 23, 2023
Grounds for the decision (Annex) - opposition
May 23, 2023
Means of redress
May 23, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 23, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 23, 2023
Provision of a copy of the minutes - opposition procedure
May 23, 2023
Provision of a copy of the minutes - opposition procedure
May 23, 2023
Transmittal of decision / summons - opposition
May 23, 2023
Transmittal of decision / summons - opposition
Apr 25, 2023
Information about the result of oral proceedings
Apr 18, 2023
Brief communication - Opposition proceedings
Apr 18, 2023
Brief communication - Opposition proceedings
Apr 18, 2023
Communication concerning the filing of a power of attorney
Apr 18, 2023
Communication of amended entries
Apr 13, 2023
(Electronic) Receipt
Apr 13, 2023
Authorisation
Apr 13, 2023
Letter accompanying subsequently filed items
Apr 13, 2023
Written submission in preparation to/during oral proceedings
Apr 6, 2023
(Electronic) Receipt
Apr 6, 2023
Letter accompanying subsequently filed items
Apr 6, 2023
Written submission in preparation to/during oral proceedings
Mar 20, 2023
Brief communication - Opposition proceedings
Mar 20, 2023
Invitation to file an authorisation
Mar 6, 2023
Brief communication - Opposition proceedings
Feb 27, 2023
Brief communication - Opposition proceedings
Feb 24, 2023
(Electronic) Receipt
Feb 24, 2023
Citation in opposition procedure - 005
Feb 24, 2023
Citation in opposition procedure - 006
Feb 24, 2023
Citation in opposition procedure - 007
Feb 24, 2023
Citation in opposition procedure - 008
Feb 24, 2023
Consolidated list of cited opposition documents
Feb 24, 2023
Request for change of opponent's representative
Feb 24, 2023
Written submission in preparation to/during oral proceedings
Feb 22, 2023
(Electronic) Receipt
Feb 22, 2023
Auxiliary request during Opposition procedure
Feb 22, 2023
Auxiliary request during Opposition procedure
Feb 22, 2023
Auxiliary request during Opposition procedure
Feb 22, 2023
Auxiliary request during Opposition procedure
Feb 22, 2023
Auxiliary request during Opposition procedure - 01
Feb 22, 2023
Auxiliary request during Opposition procedure - 02
Feb 22, 2023
Auxiliary request during Opposition procedure - 03
Feb 22, 2023
Auxiliary request during Opposition procedure - 04
Feb 22, 2023
Letter accompanying subsequently filed items
Feb 22, 2023
Written submission in preparation to/during oral proceedings
Dec 12, 2022
(Electronic) Receipt
Dec 12, 2022
Letter accompanying subsequently filed items
Dec 5, 2022
Notification concerning the date of oral proceedings
Dec 5, 2022
Notification concerning the date of oral proceedings
Nov 17, 2022
Brief communication - Opposition proceedings
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
Advice of delivery
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Request for interpreters during oral proceedings
Oct 28, 2022
(Electronic) Receipt
Oct 28, 2022
Advice of delivery
Oct 28, 2022
Letter accompanying subsequently filed items
Oct 27, 2022
Annex to the communication - opposition
Oct 27, 2022
Information concerning oral proceedings
Oct 27, 2022
Scanned annex to a communication - opposition procedure
Oct 27, 2022
Summons to attend oral proceedings
Oct 27, 2022
Summons to attend oral proceedings
Oct 27, 2022
Transmittal of decision / summons - opposition
Oct 27, 2022
Transmittal of decision / summons - opposition
May 27, 2022
Brief communication - Opposition proceedings
May 20, 2022
(Electronic) Receipt
May 20, 2022
Letter accompanying subsequently filed items
May 20, 2022
Reply of the patent proprietor to the notice(s) of opposition
Jan 12, 2022
Communication of a notice of opposition and request to file observations
Jan 12, 2022
Notice of further oppositions to opponent(s)
Jan 3, 2022
Communication of a notice of opposition - first information to patent proprietor
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
Citation in opposition procedure - 001
Dec 16, 2021
Citation in opposition procedure - 002
Dec 16, 2021
Citation in opposition procedure - 003
Dec 16, 2021
Citation in opposition procedure - 004
Dec 16, 2021
Letter accompanying subsequently filed items
Dec 16, 2021
Notice of opposition
Jul 8, 2021
Communication of the registration of a transfer or change of name and/or address
Jul 2, 2021
(Electronic) Receipt
Jul 2, 2021
Annexes in respect of a client data request
Jul 2, 2021
Letter accompanying subsequently filed items
Jul 2, 2021
Miscellaneous requests concerning client data
Jun 23, 2021
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Jun 16, 2021
(Electronic) Receipt
Jun 16, 2021
Annexes in respect of a client data request
Jun 16, 2021
Annexes in respect of a client data request
Jun 16, 2021
Annexes in respect of a client data request
Jun 16, 2021
Letter accompanying subsequently filed items
Jun 16, 2021
Submission concerning a transfer of rights (applicant)
Mar 29, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 18, 2021
Decision to grant a European patent
Feb 8, 2021
(Electronic) Receipt
Feb 8, 2021
Filing of the translations of the claims
Feb 8, 2021
French translation of claims
Feb 8, 2021
German translation of the claims
Feb 8, 2021
Letter accompanying subsequently filed items
Dec 22, 2020
Communication of amended entries concerning the representative
Dec 16, 2020
Submission concerning change of applicant's representative
Oct 14, 2020
Bibliographic data of the European patent application
Oct 14, 2020
Communication about intention to grant a European patent
Oct 14, 2020
Intention to grant (signatures)
Oct 14, 2020
Text intended for grant (clean copy)
Oct 14, 2020
Text intended for grant (version for approval)
Aug 29, 2020
(Electronic) Receipt
Aug 29, 2020
Amended description with annotations
Aug 29, 2020
Description
Aug 29, 2020
Letter accompanying subsequently filed items
Aug 29, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 7, 2020
Bibliographic data of the European patent application
May 7, 2020
Communication about intention to grant a European patent
May 7, 2020
Intention to grant (signatures)
May 7, 2020
Text intended for grant (clean copy)
May 7, 2020
Text intended for grant (version for approval)
Apr 9, 2020
(Electronic) Receipt
Apr 9, 2020
Description
Apr 9, 2020
Letter accompanying subsequently filed items
Apr 9, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 10, 2019
Bibliographic data of the European patent application
Dec 10, 2019
Communication about intention to grant a European patent
Dec 10, 2019
Intention to grant (signatures)
Dec 10, 2019
Text intended for grant (clean copy)
Dec 10, 2019
Text intended for grant (version for approval)
Nov 11, 2019
(Electronic) Receipt
Nov 11, 2019
Amended claims with annotations
Nov 11, 2019
Claims
Nov 11, 2019
Letter accompanying subsequently filed items
Nov 11, 2019
Reply to communication from the Examining Division
Oct 31, 2019
Grant of extension of time limit (examination procedure)
Oct 28, 2019
(Electronic) Receipt
Oct 28, 2019
Letter accompanying subsequently filed items
Oct 28, 2019
Request for extension of time limit to communication from the Examining Division
Oct 21, 2019
Annex to the communication
Oct 21, 2019
Consultation by telephone/in person
Oct 21, 2019
Result of consultation by telephone/in person
Jun 18, 2019
Annex to the communication
Jun 18, 2019
Communication from the Examining Division
Jun 5, 2019
Examination started
Apr 25, 2019
Submission concerning representation
Feb 26, 2019
Notification regarding date of start of examination with possibility to withdraw
Feb 21, 2018
Communication of amended entries concerning the representative
Feb 15, 2018
Submission concerning change of applicant's representative
Aug 17, 2017
(Electronic) Receipt
Aug 17, 2017
Amended claims filed after receipt of (European) search report
Aug 17, 2017
Amended claims with annotations
Aug 17, 2017
Amended description filed after receipt of (European) search report
Aug 17, 2017
Amended description with annotations
Aug 17, 2017
Amendments received before examination
Aug 17, 2017
Letter accompanying subsequently filed items
Apr 28, 2017
Communication of amended entries concerning the representative
Apr 24, 2017
Submission concerning change of applicant's representative
Apr 11, 2017
Submission concerning change of applicant's representative
Feb 7, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 20, 2017
Communication regarding the transmission of the European search report
Jan 20, 2017
European search opinion
Jan 20, 2017
Information on Search Strategy
Jan 20, 2017
Supplementary European search report
Jan 3, 2017
Search started
Mar 16, 2016
Notification on forthcoming publication of bibliographic data
Feb 2, 2016
Communication regarding possible amendment of the application/payment of claims fee
Jan 19, 2016
Communication to designated inventor
Jan 19, 2016
Communication to designated inventor
Dec 29, 2015
(Electronic) Receipt
Dec 29, 2015
Amended claims filed after receipt of (European) search report
Dec 29, 2015
Request for entry into the European phase
Dec 23, 2015
Copy of the international preliminary report on patentability
Oct 16, 2015
Information on entry into European phase
Jan 5, 2015
Priority document (electronically transmitted)
Dec 11, 2014
Copy of the international search report
Dec 11, 2014
Published international application - A1

EP3003535

INGERSOLL RAND

Application Number: EP14807741A
Filing Date: Jun 5, 2014
Status: Granted And Under Opposition; Feb 12, 2021
Publication Date: Mar 17, 2021
External Links: Slate, Register , Google Patents

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Heat Of Compression Dryer System

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Dossier Documents

EP3003535