Circular Saw Blade With Group Toothing

Patent No. EP3075480 (titled "Circular Saw Blade With Group Toothing") was filed by Leitz on Mar 29, 2016. The application was issued on Aug 14, 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
LEDERMANN	Apr 30, 2020	ZURHORST

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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Feb 7, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Feb 7, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 2, 2022
Termination of the opposition proceedings with maintenance of patent
Oct 22, 2021
Advice of delivery
Oct 21, 2021
Advice of delivery
Oct 18, 2021
Annex to the communication - opposition
Oct 18, 2021
Decision of the Opposition Division and instruction
Oct 18, 2021
Decision rejecting the opposition
Oct 18, 2021
Decision rejecting the opposition
Oct 18, 2021
Grounds for the decision (Annex) - opposition
Oct 18, 2021
Means of redress
Oct 18, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 18, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 18, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 18, 2021
Provision of a copy of the minutes - opposition procedure
Oct 18, 2021
Provision of a copy of the minutes - opposition procedure
Oct 18, 2021
Transmittal of decision / summons - opposition
Oct 18, 2021
Transmittal of decision / summons - opposition
Oct 4, 2021
Information about the result of oral proceedings
Sep 1, 2021
(Electronic) Receipt
Sep 1, 2021
Letter accompanying subsequently filed items
Sep 1, 2021
Written submission in preparation to/during oral proceedings
Aug 10, 2021
Brief communication - Opposition proceedings
Aug 4, 2021
(Electronic) Receipt
Aug 4, 2021
Letter accompanying subsequently filed items
Aug 4, 2021
Written submission in preparation to/during oral proceedings
Jun 24, 2021
Notification concerning the date of oral proceedings
Jun 24, 2021
Notification concerning the date of oral proceedings
Apr 8, 2021
Brief communication - Opposition proceedings
Mar 31, 2021
(Electronic) Receipt
Mar 31, 2021
Letter accompanying subsequently filed items
Mar 31, 2021
Request for interpreters during oral proceedings
Mar 18, 2021
Advice of delivery
Mar 17, 2021
Advice of delivery
Mar 10, 2021
Annex to the communication - opposition
Mar 10, 2021
Information concerning oral proceedings
Mar 10, 2021
Summons to attend oral proceedings
Mar 10, 2021
Summons to attend oral proceedings
Mar 10, 2021
Transmittal of decision / summons - opposition
Mar 10, 2021
Transmittal of decision / summons - opposition
Nov 23, 2020
Brief communication - Opposition proceedings
Nov 10, 2020
(Electronic) Receipt
Nov 10, 2020
Letter accompanying subsequently filed items
Nov 10, 2020
Reply of the patent proprietor to the notice(s) of opposition
Nov 6, 2020
Brief communication - Opposition proceedings
Nov 6, 2020
Rejection of request for extension of time limit
Oct 27, 2020
(Electronic) Receipt
Oct 27, 2020
Letter accompanying subsequently filed items
Oct 27, 2020
Request for extension of time limit
Jul 17, 2020
Brief communication - Opposition proceedings
Jul 17, 2020
Communication of amended entries concerning the representative
Jul 10, 2020
(Electronic) Receipt
Jul 10, 2020
Letter accompanying subsequently filed items
Jul 10, 2020
Submission concerning change of proprietor's representative
Jun 17, 2020
Communication of a notice of opposition and request to file observations
Jun 17, 2020
Notice of further oppositions to opponent(s)
May 13, 2020
Communication of a notice of opposition - first information to patent proprietor
May 13, 2020
Consolidated list of cited opposition documents
Apr 30, 2020
(Electronic) Receipt
Apr 30, 2020
Any annexes (other than citation) to an opposition letter
Apr 30, 2020
Citation in opposition procedure - 001
Apr 30, 2020
Citation in opposition procedure - 002
Apr 30, 2020
Citation in opposition procedure - 003
Apr 30, 2020
Citation in opposition procedure - 004
Apr 30, 2020
Citation in opposition procedure - 005
Apr 30, 2020
Citation in opposition procedure - 006
Apr 30, 2020
Citation in opposition procedure - 007
Apr 30, 2020
Citation in opposition procedure - 008
Apr 30, 2020
General authorisation
Apr 30, 2020
Letter accompanying subsequently filed items
Apr 30, 2020
Notice of opposition
Apr 30, 2020
Notice of opposition
Aug 26, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 18, 2019
Decision to grant a European patent
Jul 4, 2019
(Electronic) Receipt
Jul 4, 2019
English translation of the claims
Jul 4, 2019
Filing of the translations of the claims
Jul 4, 2019
French translation of claims
Jul 4, 2019
Letter accompanying subsequently filed items
Mar 21, 2019
Bibliographic data of the European patent application
Mar 21, 2019
Communication about intention to grant a European patent
Mar 21, 2019
Intention to grant (signatures)
Mar 21, 2019
Text intended for grant (clean copy)
Mar 21, 2019
Text intended for grant (version for approval)
Feb 28, 2019
Examination started
Sep 21, 2018
Response to enquiry for communication from the Examining Division
Sep 6, 2018
(Electronic) Receipt
Sep 6, 2018
Enquiry as to the processing of the file
Sep 6, 2018
Letter accompanying subsequently filed items
Apr 7, 2017
Amended claims filed after receipt of (European) search report
Apr 7, 2017
Amended claims with annotations
Apr 7, 2017
Amended description filed after receipt of (European) search report
Apr 7, 2017
Amended description with annotations
Apr 7, 2017
Amendments received before examination
Apr 4, 2017
Amended claims filed after receipt of (European) search report
Apr 4, 2017
Amended claims with annotations
Apr 4, 2017
Amended description filed after receipt of (European) search report
Apr 4, 2017
Amended description with annotations
Apr 4, 2017
Amendments received before examination
Apr 4, 2017
Payment of fees and costs
Apr 4, 2017
Payment of fees and costs
Oct 10, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 7, 2016
Notification of forthcoming publication
Aug 1, 2016
Communication regarding the transmission of the European search report
Aug 1, 2016
European search opinion
Aug 1, 2016
European search report
Aug 1, 2016
Information on Search Strategy
Jul 21, 2016
Search started
May 20, 2016
Communication to designated inventor
May 20, 2016
Communication to designated inventor
May 20, 2016
Communication to designated inventor
Apr 9, 2016
Letter concerning the priority
Apr 9, 2016
Priority document
Mar 29, 2016
Abstract
Mar 29, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 29, 2016
Claims
Mar 29, 2016
Description
Mar 29, 2016
Designation of inventor
Mar 29, 2016
Drawings
Mar 29, 2016
Priority search results
Mar 29, 2016
Request for grant of a European patent

EP3075480

LEITZ

Application Number: EP16162664A
Filing Date: Mar 29, 2016
Status: Opposition Rejected; Feb 4, 2022
Publication Date: Aug 14, 2019
External Links: Slate, Register , Google Patents

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Circular Saw Blade With Group Toothing

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Dossier Documents

EP3075480