Turbine For A Compressed-Air Dental Or Surgical Handpiece

Patent No. EP3357449 (titled "Turbine For A Compressed-Air Dental Or Surgical Handpiece") was filed by Bien AIR Holding on Dec 9, 2013. The application was issued on Feb 6, 2019.

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
KAVO DENTAL	Nov 6, 2019	THUN

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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Aug 17, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Aug 17, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 11, 2022
Termination of the opposition proceedings with maintenance of patent
May 5, 2022
Advice of delivery
May 3, 2022
Advice of delivery
May 2, 2022
Annex to the communication - opposition
May 2, 2022
Decision of the Opposition Division and instruction
May 2, 2022
Decision rejecting the opposition
May 2, 2022
Decision rejecting the opposition
May 2, 2022
Grounds for the decision (Annex) - opposition
May 2, 2022
Means of redress
May 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 2, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 2, 2022
Provision of a copy of the minutes - opposition procedure
May 2, 2022
Provision of a copy of the minutes - opposition procedure
May 2, 2022
Scanned annex to a communication - opposition procedure
May 2, 2022
Transmittal of decision / summons - opposition
May 2, 2022
Transmittal of decision / summons - opposition
Jan 19, 2022
Information about the result of oral proceedings
Dec 14, 2021
Brief communication - Opposition proceedings
Dec 8, 2021
(Electronic) Receipt
Dec 8, 2021
Letter accompanying subsequently filed items
Dec 8, 2021
Written submission in preparation to/during oral proceedings
Dec 6, 2021
Annex to the communication - opposition
Dec 6, 2021
Notification concerning the date of oral proceedings
Dec 6, 2021
Notification concerning the date of oral proceedings
Dec 1, 2021
Brief communication - Opposition proceedings
Dec 1, 2021
Notification concerning the date of oral proceedings
Dec 1, 2021
Notification concerning the date of oral proceedings
Nov 25, 2021
Brief communication - Opposition proceedings
Nov 25, 2021
Brief communication - Opposition proceedings
Nov 19, 2021
(Electronic) Receipt
Nov 19, 2021
Letter accompanying subsequently filed items
Nov 19, 2021
Written submission in preparation to/during oral proceedings
Nov 18, 2021
(Electronic) Receipt
Nov 18, 2021
Citation in opposition procedure - 008
Nov 18, 2021
Citation in opposition procedure - 008
Nov 18, 2021
Citation in opposition procedure - 008
Nov 18, 2021
Consolidated list of cited opposition documents
Nov 18, 2021
Letter accompanying subsequently filed items
Nov 18, 2021
Written submission in preparation to/during oral proceedings
Apr 6, 2021
Brief communication - Opposition proceedings
Mar 30, 2021
(Electronic) Receipt
Mar 30, 2021
Annex
Mar 30, 2021
Annex
Mar 30, 2021
Letter accompanying subsequently filed items
Mar 30, 2021
Written submission in preparation to/during oral proceedings
Mar 18, 2021
Advice of delivery
Mar 17, 2021
Advice of delivery
Mar 15, 2021
Advice of delivery
Mar 10, 2021
Annex to the communication - opposition
Mar 10, 2021
Decision on the taking of evidence
Mar 10, 2021
Decision on the taking of evidence
Mar 10, 2021
Information concerning oral proceedings
Mar 10, 2021
Scanned annex to a communication - opposition procedure
Mar 10, 2021
Scanned annex to a communication - opposition procedure
Mar 10, 2021
Settlement of expenses for witnesses and experts
Mar 10, 2021
Summons to attend oral proceedings
Mar 10, 2021
Summons to attend oral proceedings
Mar 10, 2021
Summons to give evidence
Mar 10, 2021
Transmittal of decision / summons - opposition
Mar 10, 2021
Transmittal of decision / summons - opposition
Mar 10, 2021
Transmittal of decision / summons - opposition
Apr 3, 2020
Brief communication - Opposition proceedings
Mar 30, 2020
(Electronic) Receipt
Mar 30, 2020
Auxiliary request during Opposition procedure - 01
Mar 30, 2020
Auxiliary request during Opposition procedure - 02
Mar 30, 2020
Auxiliary request during Opposition procedure - 03
Mar 30, 2020
Claims
Mar 30, 2020
Claims
Mar 30, 2020
Claims
Mar 30, 2020
Letter accompanying subsequently filed items
Mar 30, 2020
Main request during Opposition procedure
Mar 30, 2020
Reply of the patent proprietor to the notice(s) of opposition
Dec 10, 2019
Confirmation of revocation of automatic debit order
Dec 5, 2019
Letter relating to the automatic debiting procedure
Nov 29, 2019
Brief communication - Opposition proceedings
Nov 28, 2019
Communication concerning the filing of a power of attorney
Nov 28, 2019
Communication of amended entries concerning the representative
Nov 27, 2019
Brief communication - Opposition proceedings
Nov 25, 2019
(Electronic) Receipt
Nov 25, 2019
Authorisation
Nov 25, 2019
Letter accompanying subsequently filed items
Nov 25, 2019
Submission concerning change of applicant's representative
Nov 21, 2019
(Electronic) Receipt
Nov 21, 2019
Citation in opposition procedure - 001
Nov 21, 2019
Citation in opposition procedure - 002
Nov 21, 2019
Citation in opposition procedure - 003
Nov 21, 2019
Citation in opposition procedure - 004
Nov 21, 2019
Citation in opposition procedure - 004
Nov 21, 2019
Citation in opposition procedure - 005
Nov 21, 2019
Letter accompanying subsequently filed items
Nov 21, 2019
Letter regarding the opposition procedure (no time limit)
Nov 20, 2019
Communication of a notice of opposition and request to file observations
Nov 20, 2019
Notice of further oppositions to opponent(s)
Nov 12, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 12, 2019
Request for documents
Nov 6, 2019
(Electronic) Receipt
Nov 6, 2019
Citation in opposition procedure - 006
Nov 6, 2019
Citation in opposition procedure - 007
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Citation in opposition procedure - 008
Nov 6, 2019
Notice of opposition
Nov 6, 2019
Notice of opposition
Feb 18, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 10, 2019
Decision to grant a European patent
Dec 20, 2018
(Electronic) Receipt
Dec 20, 2018
English translation of the claims
Dec 20, 2018
Filing of the translations of the claims
Dec 20, 2018
German translation of the claims
Dec 20, 2018
Letter accompanying subsequently filed items
Oct 31, 2018
Bibliographic data of the European patent application
Oct 31, 2018
Communication about intention to grant a European patent
Oct 31, 2018
Intention to grant (signatures)
Oct 31, 2018
Text intended for grant (clean copy)
Oct 31, 2018
Text intended for grant (version for approval)
Aug 23, 2018
Examination started
Aug 13, 2018
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Jul 18, 2018
(Electronic) Receipt
Jul 18, 2018
Communication to designated inventor
Jul 18, 2018
Letter accompanying subsequently filed items
Jul 18, 2018
Written request for examination
Jul 11, 2018
Notification of forthcoming publication
Jul 9, 2018
(Electronic) Receipt
Jul 9, 2018
Letter accompanying subsequently filed items
Jul 9, 2018
Letter concerning the inventor
Jul 5, 2018
Communication regarding the transmission of the European search report
Jul 5, 2018
European search opinion
Jul 5, 2018
European search report
Jul 5, 2018
Information on Search Strategy
Jun 28, 2018
Invitation to indicate correct address of inventor
Jun 22, 2018
Letter which had not been notified
Jun 13, 2018
Search started
May 15, 2018
Communication to designated inventor
Feb 22, 2018
Abstract
Feb 22, 2018
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Feb 22, 2018
Claims
Feb 22, 2018
Description
Feb 22, 2018
Designation of inventor
Feb 22, 2018
Drawings
Feb 22, 2018
Request for grant of a European patent

EP3357449

BIEN AIR HOLDING

Application Number: EP18158188A
Filing Date: Dec 9, 2013
Status: Opposition Rejected; Aug 12, 2022
Publication Date: Feb 6, 2019
External Links: Slate, Register , Google Patents

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Turbine For A Compressed-Air Dental Or Surgical Handpiece

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Dossier Documents

EP3357449