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Film Resistor With A Constant Temperature Coefficient And Production Of A Film Resistor Of This Type

Patent No. EP2277177 (titled "Film Resistor With A Constant Temperature Coefficient And Production Of A Film Resistor Of This Type") was filed by Hochschule FR Technik UND Wirtschaft DES Saarlandes on Apr 6, 2009. The application was issued on Aug 2, 2017.

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Patent Oppositions

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
FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV	May 2, 2018	FRIESE GOEDEN PATENTANWALTE PARTGMBB

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 7, 2020
Termination of the opposition proceedings with revocation of patent
Nov 13, 2019
Advice of delivery
Nov 11, 2019
Advice of delivery
Nov 8, 2019
Acknowledgement of a document
Nov 8, 2019
Acknowledgement of a document
Nov 8, 2019
Decision revoking the European patent
Nov 8, 2019
Decision revoking the European patent
Nov 8, 2019
Notification concerning the date of oral proceedings
Nov 8, 2019
Notification concerning the date of oral proceedings
Oct 31, 2019
Written submission in preparation to/during oral proceedings
Oct 30, 2019
Request for revocation of patent
Sep 12, 2019
Brief communication - Opposition proceedings
Sep 5, 2019
(Electronic) Receipt
Sep 5, 2019
Letter accompanying subsequently filed items
Sep 5, 2019
Letter regarding the opposition procedure (no time limit)
Apr 26, 2019
Advice of delivery
Apr 25, 2019
Advice of delivery
Apr 24, 2019
Acknowledgement of a document
Apr 24, 2019
Acknowledgement of a document
Apr 24, 2019
Annex to the communication - opposition
Apr 24, 2019
Information concerning oral proceedings
Apr 24, 2019
Summons to attend oral proceedings
Apr 24, 2019
Summons to attend oral proceedings
Oct 4, 2018
Brief communication - Opposition proceedings
Sep 26, 2018
Amended claims with annotations
Sep 26, 2018
Amended claims with annotations
Sep 26, 2018
Amended claims with annotations
Sep 26, 2018
Amended claims with annotations
Sep 26, 2018
Claims
Sep 26, 2018
Claims
Sep 26, 2018
Claims
Sep 26, 2018
Claims
Sep 26, 2018
Reply of the patent proprietor to the notice(s) of opposition
Sep 13, 2018
Brief communication - Opposition proceedings
Sep 11, 2018
Rejection of request for extension of time limit
Sep 5, 2018
Request for extension of time limit
May 17, 2018
Communication of a notice of opposition and request to file observations
May 17, 2018
Notice of further oppositions to opponent(s)
May 14, 2018
Communication of a notice of opposition - first information to patent proprietor
May 2, 2018
Letter concerning fees and payments
May 2, 2018
Non-patent literature cited during the opposition procedure
May 2, 2018
Non-patent literature cited during the opposition procedure
May 2, 2018
Non-patent literature cited during the opposition procedure
May 2, 2018
Non-patent literature cited during the opposition procedure
May 2, 2018
Notice of opposition
May 2, 2018
Notice of opposition
May 2, 2018
Patent document cited during the opposition procedure
May 2, 2018
Patent document cited during the opposition procedure
Aug 2, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 6, 2017
Decision to grant a European patent
Jun 21, 2017
English translation of the claims
Jun 21, 2017
Filing of the translations of the claims
Jun 21, 2017
French translation of claims
Jun 21, 2017
Payment of fees and costs
Mar 23, 2017
Letter concerning fees and payments
Mar 6, 2017
Bibliographic data of the European patent application
Mar 6, 2017
Communication about intention to grant a European patent
Mar 6, 2017
Intention to grant (signatures)
Mar 6, 2017
Text intended for grant (clean copy)
Mar 6, 2017
Text intended for grant (version for approval)
Feb 2, 2017
Examination started
Feb 2, 2017
Letter relating to the automatic debiting procedure
Feb 2, 2017
Letter relating to the automatic debiting procedure
Mar 16, 2016
Payment of fees and costs
Mar 24, 2015
Payment of fees and costs
Jan 27, 2011
Amended claims filed after receipt of (European) search report
Jan 27, 2011
Amended claims with annotations
Jan 27, 2011
Amendments received before examination
Jan 27, 2011
Non-patent literature cited during the examination procedure
Jan 26, 2011
Amended claims filed after receipt of (European) search report
Jan 26, 2011
Amended claims with annotations
Jan 26, 2011
Amendments received before examination
Jan 26, 2011
Non-patent literature cited during the examination procedure
Jan 25, 2011
Letter concerning the inventor
Jan 18, 2011
Invitation to indicate correct address of inventor
Jan 13, 2011
Letter which had not been notified
Dec 29, 2010
Notification on forthcoming publication of bibliographic data
Dec 27, 2010
Communication concerning correction of deficiences in Written Opinion/amendment of application/payment of claims fee
Nov 10, 2010
Annex
Nov 10, 2010
Annex
Nov 10, 2010
Annex
Nov 10, 2010
Annex
Nov 10, 2010
Annex
Nov 10, 2010
Authorisation
Nov 10, 2010
Request for entry into the European phase
Nov 9, 2010
Copy of the international preliminary report on patentability
Nov 2, 2010
Notification of the recording of a change
Nov 2, 2010
Notification of the recording of a change
Nov 2, 2010
Notification of the recording of a change
Nov 2, 2010
Notification of the recording of a change
Sep 3, 2010
Information on entry into European phase
Nov 19, 2009
Priority document (electronically transmitted)
Nov 19, 2009
Priority document (electronically transmitted)
Oct 29, 2009
Copy of the international search report
Oct 29, 2009
Copy of the international search report
Oct 29, 2009
Published international application - A1
Aug 21, 2009
Written opinion of the ISA, boxes No. I to VIII
Aug 21, 2009
Written opinion of the ISA, cover sheet
Aug 21, 2009
Written opinion of the ISA, supplemental box
Apr 6, 2009
Abstract
Apr 6, 2009
Claims
Apr 6, 2009
Description
Apr 6, 2009
Drawings

EP2277177

HOCHSCHULE FR TECHNIK UND WIRTSCHAFT DES SAARLANDES

Application Number: EP09735811A
Filing Date: Apr 6, 2009
Status: Revoked; May 8, 2020
Publication Date: Aug 2, 2017
External Links: Slate, Register , Google Patents