Method For Moving A Rotor In A Planar Drive System

Patent No. EP3818625 (titled "Method For Moving A Rotor In A Planar Drive System") was filed by Beckhoff Automation on Jun 26, 2020. The application was issued on Feb 22, 2023.

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
PLANAR MOTOR INCORPORATED	Nov 21, 2023	MEWBURN ELLIS

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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Jan 8, 2026
Decision to maintain the European patent in amended form
Dec 23, 2025
(Electronic) Receipt
Dec 23, 2025
English translation of the claims
Dec 23, 2025
Filing of the translation of the amended claims
Dec 23, 2025
French translation of claims
Dec 23, 2025
Letter accompanying subsequently filed items
Nov 11, 2025
Communication with request to file translations
Nov 7, 2025
Maintenance of the patent with the documents specified in the final decision
Aug 13, 2025
Decision of the Opposition Division and instruction
Aug 13, 2025
Druckexemplar in opposition procedure
Aug 13, 2025
Grounds for the decision (Annex) - opposition
Aug 13, 2025
Interlocutory decision in opposition proceedings
Aug 13, 2025
Means of redress
Aug 13, 2025
Scanned annex to a communication - opposition procedure
Jul 14, 2025
Notification concerning the date of oral proceedings
Jul 11, 2025
(Electronic) Receipt
Jul 11, 2025
Annex to the communication - opposition
Jul 11, 2025
Internal form - Opposition/addressees
Jul 11, 2025
Letter accompanying subsequently filed items
Jul 11, 2025
Result of consultation by telephone/in person
Jul 11, 2025
Written submission in preparation to/during oral proceedings
Jul 3, 2025
Brief communication - Opposition proceedings
Jul 2, 2025
(Electronic) Receipt
Jul 2, 2025
Brief communication - Opposition proceedings
Jul 2, 2025
Letter accompanying subsequently filed items
Jul 2, 2025
Withdrawal of an opposition
Jun 24, 2025
Annex to the communication - opposition
Jun 24, 2025
Information concerning oral proceedings
Jun 24, 2025
Scanned annex to a communication - opposition procedure
Jun 24, 2025
Summons to attend oral proceedings
Jun 24, 2025
Summons to attend oral proceedings
Jun 23, 2025
Annex to the communication - opposition
Jun 23, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 23, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 23, 2025
Provision of a copy of the minutes - opposition procedure
Jun 23, 2025
Provision of a copy of the minutes - opposition procedure
Jun 4, 2025
Information about the result of oral proceedings
May 12, 2025
Brief communication - Opposition proceedings
May 6, 2025
(Electronic) Receipt
May 6, 2025
Letter accompanying subsequently filed items
May 6, 2025
Written submission in preparation to/during oral proceedings
Apr 15, 2025
Brief communication - Opposition proceedings
Apr 10, 2025
(Electronic) Receipt
Apr 10, 2025
(Electronic) Receipt
Apr 10, 2025
Authorisation
Apr 10, 2025
Authorisation
Apr 10, 2025
Letter accompanying subsequently filed items
Apr 10, 2025
Letter accompanying subsequently filed items
Apr 10, 2025
Request concerning the applicant/representative
Apr 10, 2025
Request concerning the applicant/representative
Apr 10, 2025
Request concerning the applicant/representative
Apr 7, 2025
Brief communication - Opposition proceedings
Apr 4, 2025
(Electronic) Receipt
Apr 4, 2025
Auxiliary request during Opposition procedure
Apr 4, 2025
Auxiliary request during Opposition procedure
Apr 4, 2025
Auxiliary request during Opposition procedure
Apr 4, 2025
Auxiliary request during Opposition procedure
Apr 4, 2025
Auxiliary request during Opposition procedure
Apr 4, 2025
Auxiliary request during Opposition procedure
Apr 4, 2025
Auxiliary request during Opposition procedure - 01
Apr 4, 2025
Auxiliary request during Opposition procedure - 01
Apr 4, 2025
Auxiliary request during Opposition procedure - 02
Apr 4, 2025
Auxiliary request during Opposition procedure - 02
Apr 4, 2025
Auxiliary request during Opposition procedure - 03
Apr 4, 2025
Auxiliary request during Opposition procedure - 03
Apr 4, 2025
Brief communication - Opposition proceedings
Apr 4, 2025
Letter accompanying subsequently filed items
Apr 4, 2025
Written submission in preparation to/during oral proceedings
Apr 4, 2025
Written submission in preparation to/during oral proceedings
Apr 3, 2025
(Electronic) Receipt
Apr 3, 2025
Letter accompanying subsequently filed items
Apr 3, 2025
Written submission in preparation to/during oral proceedings
Sep 10, 2024
Annex to the communication - opposition
Sep 10, 2024
Information concerning oral proceedings
Sep 10, 2024
Scanned annex to a communication - opposition procedure
Sep 10, 2024
Summons to attend oral proceedings
Sep 10, 2024
Summons to attend oral proceedings
Apr 5, 2024
Brief communication - Opposition proceedings
Mar 28, 2024
(Electronic) Receipt
Mar 28, 2024
Letter accompanying subsequently filed items
Mar 28, 2024
Reply of the patent proprietor to the notice(s) of opposition
Dec 1, 2023
Communication of a notice of opposition and request to file observations
Dec 1, 2023
Notice of further oppositions to opponent(s)
Nov 24, 2023
Communication of a notice of opposition - first information to patent proprietor
Nov 21, 2023
(Electronic) Receipt
Nov 21, 2023
Citation in opposition procedure - 001
Nov 21, 2023
Citation in opposition procedure - 002
Nov 21, 2023
Citation in opposition procedure - 002
Nov 21, 2023
Citation in opposition procedure - 003
Nov 21, 2023
Citation in opposition procedure - 003
Nov 21, 2023
Citation in opposition procedure - 004
Nov 21, 2023
Citation in opposition procedure - 005
Nov 21, 2023
Citation in opposition procedure - 006
Nov 21, 2023
Citation in opposition procedure - 007
Nov 21, 2023
Citation in opposition procedure - 008
Nov 21, 2023
Citation in opposition procedure - 009
Nov 21, 2023
Citation in opposition procedure - 010
Nov 21, 2023
Consolidated list of cited opposition documents
Nov 21, 2023
Letter accompanying subsequently filed items
Nov 21, 2023
Notice of opposition
Nov 21, 2023
Notice of opposition
Mar 7, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 26, 2023
Decision to grant a European patent
Jan 13, 2023
(Electronic) Receipt
Jan 13, 2023
English translation of the claims
Jan 13, 2023
Filing of the translations of the claims
Jan 13, 2023
French translation of claims
Jan 13, 2023
Letter accompanying subsequently filed items
Jan 3, 2023
Communication for party to proceedings/third party
Oct 13, 2022
Bibliographic data of the European patent application
Oct 13, 2022
Communication about intention to grant a European patent
Oct 13, 2022
Intention to grant (signatures)
Oct 13, 2022
Text intended for grant (clean copy)
Oct 13, 2022
Text intended for grant (version for approval)
Aug 22, 2022
Notification concerning the date of oral proceedings
Jul 25, 2022
(Electronic) Receipt
Jul 25, 2022
Amended claims with annotations
Jul 25, 2022
Amended description with annotations
Jul 25, 2022
Claims
Jul 25, 2022
Description
Jul 25, 2022
Letter accompanying subsequently filed items
Jul 25, 2022
Written submission in preparation to/during oral proceedings
Jun 2, 2022
Annex to the communication
Jun 2, 2022
Summons to attend oral proceedings
Mar 18, 2022
(Electronic) Receipt
Mar 18, 2022
Letter accompanying subsequently filed items
Mar 18, 2022
Reply to communication from the Examining Division
Jan 10, 2022
Copy of the international preliminary report on patentability
Jan 3, 2022
Annex to the communication
Jan 3, 2022
Communication from the Examining Division
Oct 22, 2021
(Electronic) Receipt
Oct 22, 2021
Amended claims with annotations
Oct 22, 2021
Claims
Oct 22, 2021
Letter accompanying subsequently filed items
Oct 22, 2021
Reply to communication from the Examining Division
Jul 13, 2021
Annex to the communication
Jul 13, 2021
Communication from the Examining Division
May 7, 2021
Examination started
Apr 14, 2021
Notification on forthcoming publication of bibliographic data
Feb 11, 2021
Confirmation of effective date of early entry
Feb 10, 2021
Communication to designated inventor
Feb 3, 2021
Copy of the international preliminary report on patentability
Feb 2, 2021
(Electronic) Receipt
Feb 2, 2021
Amended claims filed after receipt of (European) search report
Feb 2, 2021
Amended claims with annotations
Feb 2, 2021
Amended description filed after receipt of (European) search report
Feb 2, 2021
Amended description with annotations
Feb 2, 2021
Amendments received before examination
Feb 2, 2021
Priority search results
Feb 2, 2021
Request for entry into the European phase
Jan 18, 2021
Priority document (electronically transmitted)
Dec 30, 2020
Copy of the international search report
Dec 30, 2020
Copy of the international search report
Dec 30, 2020
Published international application - A1
Oct 20, 2020
Communication in cases for which no other form is applicable
Oct 19, 2020
ISR: cited documents
Oct 19, 2020
International Search Report - copy in English for the IB
Oct 19, 2020
Written opinion of the ISA, boxes No. I to VIII
Oct 19, 2020
Written opinion of the ISA, cover sheet
Oct 19, 2020
Written opinion of the ISA, supplemental box
Oct 8, 2020
Incoming letter related to ISA procedure
Sep 25, 2020
ISR: cited documents
Sep 25, 2020
International Search Report - copy in English for the IB
Sep 25, 2020
Written opinion of the ISA, boxes No. I to VIII
Sep 25, 2020
Written opinion of the ISA, cover sheet
Sep 25, 2020
Written opinion of the ISA, supplemental box
Jul 20, 2020
Incoming letter related to PCT RO
Jul 10, 2020
Notification of receipt of Search copy
Jul 9, 2020
Notification of the international application number and of the international filing date
Jul 6, 2020
Request form for international application (copy for ISA/EP)
Jun 26, 2020
(Electronic) Receipt
Jun 26, 2020
Abstract
Jun 26, 2020
Claims
Jun 26, 2020
Description
Jun 26, 2020
Document concerning fees and payments
Jun 26, 2020
Drawings
Jun 26, 2020
Electronic request for grant of an International application

EP3818625

BECKHOFF AUTOMATION

Application Number: EP20734942A
Filing Date: Jun 26, 2020
Status: Granted And Under Opposition; Jan 20, 2023
Publication Date: Feb 22, 2023
External Links: Slate, Register , Google Patents

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Method For Moving A Rotor In A Planar Drive System

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Dossier Documents

EP3818625