Microscope With Oversized Zoom System

Patent No. EP3204815 (titled "Microscope With Oversized Zoom System") was filed by Leica Microsystems Schweiz on Oct 1, 2015. The application was issued on Jan 19, 2022.

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
CARL ZEISS	Oct 2, 2019	SCHIFFER

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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Dec 23, 2021
Decision to maintain the European patent in amended form
Dec 23, 2021
Decision to maintain the European patent in amended form
Dec 17, 2021
Termination of the opposition proceedings with maintenance of patent
Dec 10, 2021
(Electronic) Receipt
Dec 10, 2021
English translation of the claims
Dec 10, 2021
Filing of the translation of the amended claims
Dec 10, 2021
French translation of claims
Dec 10, 2021
Letter accompanying subsequently filed items
Sep 24, 2021
Communication to opponent concerning maintenance
Sep 24, 2021
Communication with request to file translations
Sep 21, 2021
Maintenance of the patent with the documents specified in the final decision
Jun 23, 2021
Refund of fees
Jun 21, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jun 21, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jun 16, 2021
Composition of the board (T)
Jun 15, 2021
(Electronic) Receipt
Jun 15, 2021
Letter accompanying subsequently filed items
Jun 15, 2021
Withdrawal of an appeal
Jun 4, 2021
F3204 Communication of the file number to the parties
Jun 4, 2021
F3204 Communication of the file number to the parties
May 26, 2021
(Electronic) Receipt
May 26, 2021
Letter accompanying subsequently filed items
May 26, 2021
Notice of appeal
Mar 17, 2021
Advice of delivery
Mar 16, 2021
Advice of delivery
Mar 16, 2021
Annex to the communication - opposition
Mar 16, 2021
Decision of the Opposition Division and instruction
Mar 16, 2021
Druckexemplar in opposition procedure
Mar 16, 2021
Grounds for the decision (Annex) - opposition
Mar 16, 2021
Interlocutory decision in opposition proceedings
Mar 16, 2021
Internal form - Opposition/addressees
Mar 16, 2021
Internal form - Opposition/addressees
Mar 16, 2021
Means of redress
Mar 16, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 16, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 16, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 16, 2021
Provision of a copy of the minutes - opposition procedure
Mar 16, 2021
Scanned annex to a communication - opposition procedure
Mar 16, 2021
Scanned annex to a communication - opposition procedure
Mar 16, 2021
Scanned annex to a communication - opposition procedure
Mar 16, 2021
Scanned annex to a communication - opposition procedure
Feb 25, 2021
Information about the result of oral proceedings
Jan 14, 2021
(Electronic) Receipt
Jan 14, 2021
Brief communication - Opposition proceedings
Jan 14, 2021
Brief communication - Opposition proceedings
Jan 14, 2021
Brief communication - Opposition proceedings
Jan 14, 2021
Citation in opposition procedure - 017
Jan 14, 2021
Citation in opposition procedure - 018
Jan 14, 2021
Consolidated list of cited opposition documents
Jan 14, 2021
Letter accompanying subsequently filed items
Jan 14, 2021
Letter regarding the opposition procedure (no time limit)
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Auxiliary request during Opposition procedure
Dec 18, 2020
Auxiliary request during Opposition procedure
Dec 18, 2020
Auxiliary request during Opposition procedure - 04
Dec 18, 2020
Auxiliary request during Opposition procedure - 05
Dec 18, 2020
Citation in opposition procedure - 019
Dec 18, 2020
Letter accompanying subsequently filed items
Dec 18, 2020
Letter accompanying subsequently filed items
Dec 18, 2020
Request for interpreters during oral proceedings
Dec 18, 2020
Written submission in preparation to/during oral proceedings
Dec 18, 2020
Written submission in preparation to/during oral proceedings
Dec 16, 2020
Notification concerning the date of oral proceedings
Dec 16, 2020
Notification concerning the date of oral proceedings
Jun 2, 2020
Advice of delivery
Jun 2, 2020
Advice of delivery
May 28, 2020
Annex to the communication - opposition
May 28, 2020
Information concerning oral proceedings
May 28, 2020
Summons to attend oral proceedings
May 28, 2020
Summons to attend oral proceedings
Apr 15, 2020
Brief communication - Opposition proceedings
Apr 7, 2020
(Electronic) Receipt
Apr 7, 2020
Auxiliary request during Opposition procedure
Apr 7, 2020
Auxiliary request during Opposition procedure
Apr 7, 2020
Auxiliary request during Opposition procedure
Apr 7, 2020
Auxiliary request during Opposition procedure - 01
Apr 7, 2020
Auxiliary request during Opposition procedure - 02
Apr 7, 2020
Auxiliary request during Opposition procedure - 03
Apr 7, 2020
Letter accompanying subsequently filed items
Apr 7, 2020
Reply of the patent proprietor to the notice(s) of opposition
Apr 1, 2020
Communication of a notice of opposition and request to file observations
Apr 1, 2020
Notice of further oppositions to opponent(s)
Oct 21, 2019
International publication (Pamphlet)
Oct 15, 2019
Communication of a notice of opposition and request to file observations
Oct 15, 2019
Notice of further oppositions to opponent(s)
Oct 9, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
Citation in opposition procedure - 001
Oct 2, 2019
Citation in opposition procedure - 002
Oct 2, 2019
Citation in opposition procedure - 003
Oct 2, 2019
Citation in opposition procedure - 004
Oct 2, 2019
Citation in opposition procedure - 005
Oct 2, 2019
Citation in opposition procedure - 006
Oct 2, 2019
Citation in opposition procedure - 007
Oct 2, 2019
Citation in opposition procedure - 008
Oct 2, 2019
Citation in opposition procedure - 009
Oct 2, 2019
Citation in opposition procedure - 010
Oct 2, 2019
Citation in opposition procedure - 011
Oct 2, 2019
Citation in opposition procedure - 012
Oct 2, 2019
Citation in opposition procedure - 013
Oct 2, 2019
Citation in opposition procedure - 014
Oct 2, 2019
Citation in opposition procedure - 015
Oct 2, 2019
Citation in opposition procedure - 016
Oct 2, 2019
Notice of opposition
Oct 2, 2019
Notice of opposition
Jan 14, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 6, 2018
Decision to grant a European patent
Nov 20, 2018
(Electronic) Receipt
Nov 20, 2018
English translation of the claims
Nov 20, 2018
Filing of the translations of the claims
Nov 20, 2018
French translation of claims
Nov 20, 2018
Letter accompanying subsequently filed items
Sep 6, 2018
Bibliographic data of the European patent application
Sep 6, 2018
Communication about intention to grant a European patent
Sep 6, 2018
Intention to grant (signatures)
Sep 6, 2018
Text intended for grant (clean copy)
Sep 6, 2018
Text intended for grant (version for approval)
Jul 20, 2018
(Electronic) Receipt
Jul 20, 2018
Amended claims with annotations
Jul 20, 2018
Amended description with annotations
Jul 20, 2018
Claims
Jul 20, 2018
Description
Jul 20, 2018
Letter accompanying subsequently filed items
Jul 20, 2018
Reply to communication from the Examining Division
Mar 13, 2018
Annex to the communication
Mar 13, 2018
Communication from the Examining Division
Mar 5, 2018
Examination started
Dec 6, 2017
Refund of fees
Nov 28, 2017
(Electronic) Receipt
Nov 28, 2017
Amended claims filed after receipt of (European) search report
Nov 28, 2017
Amended claims with annotations
Nov 28, 2017
Amended description filed after receipt of (European) search report
Nov 28, 2017
Amended description with annotations
Nov 28, 2017
Amendments received before examination
Nov 28, 2017
Letter accompanying subsequently filed items
Aug 14, 2017
Letter which had not been notified
Jul 24, 2017
Communication to designated inventor
Jul 19, 2017
Notification on forthcoming publication of bibliographic data
Jul 11, 2017
Letter concerning the inventor
Jun 14, 2017
Invitation to indicate correct address of inventor
Jun 6, 2017
Letter which had not been notified
Jun 1, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 10, 2017
Communication to designated inventor
May 10, 2017
Communication to designated inventor
May 2, 2017
(Electronic) Receipt
May 2, 2017
Priority search results
May 2, 2017
Request for entry into the European phase
Apr 25, 2017
Copy of the international preliminary report on patentability
Feb 17, 2017
Information on entry into European phase
May 4, 2016
Priority document (electronically transmitted)
Apr 14, 2016
Copy of the international search report
Apr 14, 2016
Copy of the international search report
Apr 14, 2016
Published international application - A1
Dec 4, 2015
Written opinion of the ISA, boxes No. I to VIII
Dec 4, 2015
Written opinion of the ISA, cover sheet
Dec 4, 2015
Written opinion of the ISA, supplemental box
Oct 10, 2015
Incoming letter related to PCT RO
Oct 8, 2015
Notification of the international application number and of the international filing date
Oct 1, 2015
(Electronic) Receipt
Oct 1, 2015
Abstract
Oct 1, 2015
Claims
Oct 1, 2015
Description
Oct 1, 2015
Document concerning fees and payments
Oct 1, 2015
Drawings
Oct 1, 2015
Electronic request for grant of an International application

EP3204815

LEICA MICROSYSTEMS SCHWEIZ

Application Number: EP15771600A
Filing Date: Oct 1, 2015
Status: Patent Maintained As Amended; Dec 17, 2021
Publication Date: Jan 19, 2022
External Links: Slate, Register , Google Patents

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Microscope With Oversized Zoom System

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Dossier Documents

EP3204815