Variable Liftoff Voltage Process Field Device

Patent No. EP2255259 (titled "Variable Liftoff Voltage Process Field Device") was filed by Rosemount on Feb 19, 2009. The application was issued on Oct 8, 2014.

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
ENDRESS+HAUSER (DEUTSCHLAND) AG+CO. KG	Jul 7, 2015	-

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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May 6, 2024
Refund of fees
May 2, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
May 2, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
May 2, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 2, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Apr 30, 2024
F3345 Forwarding of submissions to parties
Apr 26, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Apr 25, 2024
(Electronic) Receipt
Apr 25, 2024
Letter accompanying subsequently filed items
Apr 25, 2024
Withdrawal of an appeal
Mar 15, 2024
F3018 Oral proceedings: Confirmation interpreters
Mar 15, 2024
F3018 Oral proceedings: Confirmation interpreters
Mar 15, 2024
F3345 Forwarding of submissions to parties
Mar 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 11, 2024
(Electronic) Receipt
Mar 11, 2024
General enquiry
Mar 11, 2024
Letter accompanying subsequently filed items
Mar 11, 2024
Request for interpreters during oral proceedings
Jan 11, 2024
F3345 Forwarding of submissions to parties
Jan 8, 2024
(Electronic) Receipt
Jan 8, 2024
Letter accompanying subsequently filed items
Jan 8, 2024
Request for interpreters during oral proceedings
Jan 3, 2024
Advice of delivery
Jan 2, 2024
F3011.1 Oral Proceedings: summons
Jan 2, 2024
F3011.1 Oral Proceedings: summons
Dec 20, 2023
F3010 Oral proceedings: order for summons
Nov 28, 2022
F3345 Forwarding of submissions to parties
Nov 22, 2022
(Electronic) Receipt
Nov 22, 2022
Letter regarding the opposition procedure (no time limit)
Nov 22, 2022
Reply to appeal
Jul 21, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 17, 2022
(Electronic) Receipt
Jul 17, 2022
Auxiliary request during appeals procedure - 01
Jul 17, 2022
Auxiliary request during appeals procedure - 02
Jul 17, 2022
Auxiliary request during appeals procedure - 03
Jul 17, 2022
Auxiliary request during appeals procedure - 04
Jul 17, 2022
Auxiliary request during appeals procedure - 05
Jul 17, 2022
Auxiliary request during appeals procedure - 06
Jul 17, 2022
Auxiliary request during appeals procedure - 07
Jul 17, 2022
Auxiliary request during appeals procedure - 08
Jul 17, 2022
Description
Jul 17, 2022
Description
Jul 17, 2022
Description
Jul 17, 2022
Description
Jul 17, 2022
Description
Jul 17, 2022
Description
Jul 17, 2022
Description
Jul 17, 2022
Description
Jul 17, 2022
Letter accompanying subsequently filed items
Jul 17, 2022
Main request during appeals procedure
Jul 17, 2022
Statement of grounds of appeal
May 31, 2022
F3204 Communication of the file number to the parties
May 31, 2022
F3204 Communication of the file number to the parties
May 12, 2022
(Electronic) Receipt
May 12, 2022
Letter accompanying subsequently filed items
May 12, 2022
Notice of appeal
Mar 14, 2022
(Electronic) Receipt
Mar 14, 2022
Advice of delivery
Mar 14, 2022
Advice of delivery
Mar 14, 2022
Letter accompanying subsequently filed items
Mar 7, 2022
Annex to the communication - opposition
Mar 7, 2022
Decision of the Opposition Division and instruction
Mar 7, 2022
Decision revoking the European patent
Mar 7, 2022
Decision revoking the European patent
Mar 7, 2022
Grounds for the decision (Annex) - opposition
Mar 7, 2022
Means of redress
Mar 7, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 7, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 7, 2022
Provision of a copy of the minutes - opposition procedure
Mar 7, 2022
Provision of a copy of the minutes - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Scanned annex to a communication - opposition procedure
Mar 7, 2022
Transmittal of decision / summons - opposition
Mar 7, 2022
Transmittal of decision / summons - opposition
Nov 12, 2021
Information about the result of oral proceedings
Sep 7, 2021
Brief communication - Opposition proceedings
Aug 31, 2021
(Electronic) Receipt
Aug 31, 2021
Letter accompanying subsequently filed items
Aug 31, 2021
Written submission in preparation to/during oral proceedings
Jul 26, 2021
Brief communication - Opposition proceedings
Jul 19, 2021
(Electronic) Receipt
Jul 19, 2021
Request for interpreters during oral proceedings
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Advice of delivery
Jul 1, 2021
Letter accompanying subsequently filed items
Jun 23, 2021
(Electronic) Receipt
Jun 23, 2021
Advice of delivery
Jun 23, 2021
Letter accompanying subsequently filed items
Jun 16, 2021
Annex to the communication - opposition
Jun 16, 2021
Information concerning oral proceedings
Jun 16, 2021
Summons to attend oral proceedings
Jun 16, 2021
Summons to attend oral proceedings
Jun 16, 2021
Transmittal of decision / summons - opposition
Jun 16, 2021
Transmittal of decision / summons - opposition
Feb 2, 2021
Advice of delivery
Jan 29, 2021
(Electronic) Receipt
Jan 29, 2021
Advice of delivery
Jan 29, 2021
Letter accompanying subsequently filed items
Jan 26, 2021
Decision of the Board of Appeal
Jan 26, 2021
F3032 Notification(s) of the decision
Jan 26, 2021
F3032 Notification(s) of the decision
Jan 25, 2021
Advice of delivery
Jan 25, 2021
F3013 Oral Proceedings: Forwarding minutes
Jan 25, 2021
F3013 Oral Proceedings: Forwarding minutes
Jan 25, 2021
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Jan 19, 2021
Communication about missing proof of delivery
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Letter accompanying subsequently filed items
Jan 11, 2021
Letter accompanying subsequently filed items
Dec 16, 2020
(Electronic) Receipt
Dec 16, 2020
Advice of delivery
Dec 16, 2020
Letter accompanying subsequently filed items
Dec 8, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 8, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
Dec 8, 2020
F3018 Oral proceedings: Confirmation interpreters
Dec 8, 2020
F3018 Oral proceedings: Confirmation interpreters
Dec 8, 2020
F3345 Forwarding of submissions to parties
Dec 2, 2020
(Electronic) Receipt
Dec 2, 2020
Letter accompanying subsequently filed items
Dec 2, 2020
Letter dealing with oral proceedings during the appeal procedure
Nov 26, 2020
F3345 Forwarding of submissions to parties
Nov 23, 2020
(Electronic) Receipt
Nov 23, 2020
Letter accompanying subsequently filed items
Nov 23, 2020
Letter dealing with oral proceedings during the appeal procedure
Nov 19, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 19, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 18, 2020
F3345 Forwarding of submissions to parties
Nov 11, 2020
(Electronic) Receipt
Nov 11, 2020
Request for interpreters during oral proceedings
Oct 28, 2020
Advice of delivery
Oct 21, 2020
Communication about missing proof of delivery
Oct 1, 2020
F3345 Forwarding of submissions to parties
Sep 24, 2020
(Electronic) Receipt
Sep 24, 2020
Request for interpreters during oral proceedings
Sep 17, 2020
(Electronic) Receipt
Sep 17, 2020
Advice of delivery
Sep 11, 2020
F3011.1 Oral Proceedings: summons
Sep 11, 2020
F3011.1 Oral Proceedings: summons
Sep 11, 2020
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Sep 11, 2020
F3936 Acknowledgement of receipt Board of Appeal
Sep 11, 2020
F3936 Acknowledgement of receipt Board of Appeal
Sep 8, 2020
F3010 Oral proceedings: order for summons
Sep 8, 2020
F3303.16 Change of composition of the Board (T)
Apr 8, 2020
Standard Communication Rule 103 (2) EPC
Apr 8, 2020
Standard Communication Rule 103 (2) EPC
Oct 21, 2019
Submission concerning representation
Mar 11, 2019
Submission concerning representation
Jul 3, 2018
Submission concerning representation
Feb 19, 2018
F3345 Forwarding of submissions to parties
Feb 14, 2018
(Electronic) Receipt
Feb 14, 2018
Letter accompanying subsequently filed items
Feb 14, 2018
Letter relating to Appeal Procedure
Nov 29, 2017
F3345 Forwarding of submissions to parties
Nov 27, 2017
Reply to appeal
Nov 22, 2017
Reply to appeal
Nov 16, 2017
Composition of the board (T)
Sep 13, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 7, 2017
(Electronic) Receipt
Sep 7, 2017
Auxiliary request during Opposition procedure - 01
Sep 7, 2017
Auxiliary request during Opposition procedure - 02
Sep 7, 2017
Auxiliary request during Opposition procedure - 03
Sep 7, 2017
Auxiliary request during Opposition procedure - 04
Sep 7, 2017
Auxiliary request during Opposition procedure - 05
Sep 7, 2017
Auxiliary request during Opposition procedure - 06
Sep 7, 2017
Claims
Sep 7, 2017
Claims
Sep 7, 2017
Claims
Sep 7, 2017
Claims
Sep 7, 2017
Claims
Sep 7, 2017
Claims
Sep 7, 2017
Claims
Sep 7, 2017
Letter accompanying subsequently filed items
Sep 7, 2017
Main request during Opposition procedure
Sep 7, 2017
Statement of grounds of appeal
Jul 11, 2017
F3204 Communication of the file number to the parties
Jul 11, 2017
F3204 Communication of the file number to the parties
Jul 6, 2017
(Electronic) Receipt
Jul 6, 2017
Letter accompanying subsequently filed items
Jul 6, 2017
Notice of appeal
Jul 6, 2017
Processing of an appeal
May 12, 2017
Advice of delivery
May 12, 2017
Advice of delivery
May 8, 2017
Advice of delivery
Apr 28, 2017
Acknowledgement of a document
Apr 28, 2017
Acknowledgement of a document
Apr 28, 2017
Annex to the communication - opposition
Apr 28, 2017
Decision of the Opposition Division and instruction
Apr 28, 2017
Decision revoking the European patent
Apr 28, 2017
Grounds for the decision (Annex) - opposition
Apr 28, 2017
Internal form - Opposition/addressees
Apr 28, 2017
Internal form - Opposition/addressees
Apr 28, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 28, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 28, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 28, 2017
Provision of a copy of the minutes - opposition procedure
Apr 28, 2017
Scanned annex to a communication - opposition procedure
Apr 28, 2017
Scanned annex to a communication - opposition procedure
Apr 4, 2017
Information about the result of oral proceedings
Feb 6, 2017
Brief communication - Opposition proceedings
Feb 1, 2017
(Electronic) Receipt
Feb 1, 2017
Auxiliary request during Opposition procedure
Feb 1, 2017
Auxiliary request during Opposition procedure - 01
Feb 1, 2017
Letter accompanying subsequently filed items
Feb 1, 2017
Main request during Opposition procedure
Feb 1, 2017
Main request during Opposition procedure
Feb 1, 2017
Written submission in preparation to/during oral proceedings
Jan 3, 2017
Brief communication - Opposition proceedings
Dec 21, 2016
(Electronic) Receipt
Dec 21, 2016
Letter accompanying subsequently filed items
Dec 21, 2016
Request for interpreters during oral proceedings
Dec 19, 2016
Brief communication - Opposition proceedings
Dec 14, 2016
Advice of delivery
Dec 13, 2016
Advice of delivery
Dec 12, 2016
(Electronic) Receipt
Dec 12, 2016
Advice of delivery
Dec 12, 2016
Letter accompanying subsequently filed items
Dec 12, 2016
Request for interpreters during oral proceedings
Nov 30, 2016
Acknowledgement of a document
Nov 30, 2016
Acknowledgement of a document
Nov 30, 2016
Annex to the communication - opposition
Nov 30, 2016
Information concerning oral proceedings
Nov 30, 2016
Preparation for oral proceedings
Nov 30, 2016
Summons to attend oral proceedings
Nov 30, 2016
Summons to attend oral proceedings
Jan 7, 2016
Brief communication - Opposition proceedings
Dec 22, 2015
(Electronic) Receipt
Dec 22, 2015
Auxiliary request during Opposition procedure
Dec 22, 2015
Auxiliary request during Opposition procedure - 01
Dec 22, 2015
Letter accompanying subsequently filed items
Dec 22, 2015
Main request during Opposition procedure
Dec 22, 2015
Main request during Opposition procedure
Dec 22, 2015
Reply of the patent proprietor to the notice(s) of opposition
Aug 14, 2015
Communication of a notice of opposition and request to file observations
Aug 14, 2015
Notice of further oppositions to opponent(s)
Jul 22, 2015
Communication of a notice of opposition - first information to patent proprietor
Jul 10, 2015
Citation in opposition procedure - 001
Jul 10, 2015
Citation in opposition procedure - 002
Jul 10, 2015
Citation in opposition procedure - 003
Jul 10, 2015
Citation in opposition procedure - 004
Jul 10, 2015
Citation in opposition procedure - 005
Jul 10, 2015
Notice of opposition
Jul 10, 2015
Payment of fees and costs
Jul 7, 2015
Citation in opposition procedure
Jul 7, 2015
Citation in opposition procedure
Jul 7, 2015
Citation in opposition procedure
Jul 7, 2015
Citation in opposition procedure
Jul 7, 2015
Citation in opposition procedure
Jul 7, 2015
Consolidated list of cited opposition documents
Jul 7, 2015
Notice of opposition
Jul 7, 2015
Payment of fees and costs
Jul 7, 2015
Payment of fees and costs
Oct 8, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 11, 2014
Decision to grant a European patent
Aug 27, 2014
(Electronic) Receipt
Aug 27, 2014
Filing of the translations of the claims
Aug 27, 2014
French translation of claims
Aug 27, 2014
German translation of the claims
Aug 27, 2014
Letter accompanying subsequently filed items
Apr 24, 2014
Bibliographic data of the European patent application
Apr 24, 2014
Communication about intention to grant a European patent
Apr 24, 2014
Intention to grant (signatures)
Apr 24, 2014
Text intended for grant
Mar 26, 2014
Examination started
Nov 15, 2013
Communication of amended entries concerning the representative
Nov 14, 2013
Communication of the registration of a transfer or change of name and/or address
Nov 7, 2013
Submission concerning change of applicant's address
Nov 6, 2013
Submission concerning change of applicant's representative
Mar 6, 2013
Response to enquiry for communication from the Examining Division
Feb 28, 2013
(Electronic) Receipt
Feb 28, 2013
General enquiry
Feb 28, 2013
Letter accompanying subsequently filed items
Mar 9, 2011
Refund of fees
Dec 1, 2010
Amended claims filed after receipt of (European) search report
Dec 1, 2010
Amended claims with annotations
Dec 1, 2010
Amended description filed after receipt of (European) search report
Dec 1, 2010
Amended description with annotations
Dec 1, 2010
Amendments received before examination
Nov 29, 2010
Amended claims filed after receipt of (European) search report
Nov 29, 2010
Amended claims with annotations
Nov 29, 2010
Amended description filed after receipt of (European) search report
Nov 29, 2010
Amended description with annotations
Nov 29, 2010
Amendments received before examination
Nov 4, 2010
Notification on forthcoming publication of bibliographic data
Oct 19, 2010
Communication concerning correction of deficiences in Written Opinion/amendment of application/payment of claims fee
Oct 15, 2010
Communication to designated inventor
Sep 30, 2010
Copy of the international preliminary report on patentability
Sep 13, 2010
(Electronic) Receipt
Sep 13, 2010
Request for entry into the European phase
Jul 21, 2010
Information on entry into European phase
Oct 8, 2009
Priority document (electronically transmitted)
Sep 17, 2009
Copy of the international search report
Sep 17, 2009
Published international application - A1
Sep 17, 2009
Published international application - A1
Jun 2, 2009
Written opinion of the ISA, boxes No. I to VIII
Jun 2, 2009
Written opinion of the ISA, cover sheet
Jun 2, 2009
Written opinion of the ISA, supplemental box

EP2255259

ROSEMOUNT

Application Number: EP09720904A
Filing Date: Feb 19, 2009
Status: Revoked; Apr 27, 2024
Publication Date: Oct 8, 2014
External Links: Slate, Register , Google Patents

IP Verse

Variable Liftoff Voltage Process Field Device

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2255259