Method And Device For Controlling Purification Of Air

Patent No. EP3015780 (titled "Method And Device For Controlling Purification Of Air") was filed by Xiaomi on Oct 26, 2015. The application was issued on Apr 1, 2020.

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
DYSON TECHNOLOGY	Dec 18, 2020	MITCHELL

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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Mar 31, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 31, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 28, 2023
Termination of the opposition proceedings with maintenance of patent
Dec 20, 2022
(Electronic) Receipt
Dec 20, 2022
Advice of delivery
Dec 20, 2022
Letter accompanying subsequently filed items
Dec 14, 2022
Decision rejecting the opposition
Dec 14, 2022
Decision rejecting the opposition
Dec 14, 2022
Grounds for the decision (Annex) - opposition
Dec 14, 2022
Means of redress
Dec 14, 2022
Transmittal of decision / summons - opposition
Dec 14, 2022
Transmittal of decision / summons - opposition
Nov 22, 2022
Annexes in respect of a client data request
Nov 22, 2022
Submission concerning representation
Mar 2, 2022
Notification concerning the date of oral proceedings
Mar 2, 2022
Notification concerning the date of oral proceedings
Mar 1, 2022
Brief communication - Opposition proceedings
Feb 25, 2022
(Electronic) Receipt
Feb 25, 2022
Letter accompanying subsequently filed items
Feb 24, 2022
(Electronic) Receipt
Feb 24, 2022
Letter accompanying subsequently filed items
Feb 24, 2022
Written submission in preparation to/during oral proceedings
Jan 7, 2022
Brief communication - Opposition proceedings
Jan 3, 2022
Notification concerning the date of oral proceedings
Jan 3, 2022
Notification concerning the date of oral proceedings
Dec 28, 2021
(Electronic) Receipt
Dec 28, 2021
Letter accompanying subsequently filed items
Dec 28, 2021
Request for interpreters during oral proceedings
Aug 6, 2021
(Electronic) Receipt
Aug 6, 2021
Advice of delivery
Aug 6, 2021
Advice of delivery
Aug 6, 2021
Letter accompanying subsequently filed items
Aug 4, 2021
Annex to the communication - opposition
Aug 4, 2021
Information concerning oral proceedings
Aug 4, 2021
Summons to attend oral proceedings
Aug 4, 2021
Summons to attend oral proceedings
Aug 4, 2021
Transmittal of decision / summons - opposition
Aug 4, 2021
Transmittal of decision / summons - opposition
Apr 26, 2021
Brief communication - Opposition proceedings
Apr 21, 2021
(Electronic) Receipt
Apr 21, 2021
Auxiliary request during Opposition procedure
Apr 21, 2021
Auxiliary request during Opposition procedure
Apr 21, 2021
Auxiliary request during Opposition procedure
Apr 21, 2021
Auxiliary request during Opposition procedure - 01
Apr 21, 2021
Auxiliary request during Opposition procedure - 02
Apr 21, 2021
Auxiliary request during Opposition procedure - 03
Apr 21, 2021
Letter accompanying subsequently filed items
Apr 21, 2021
Reply of the patent proprietor to the notice(s) of opposition
Mar 16, 2021
Communication of the registration of a transfer or change of name and/or address
Mar 15, 2021
Brief communication - Opposition proceedings
Mar 15, 2021
Communication concerning the filing of a power of attorney
Mar 15, 2021
Communication of amended entries concerning the representative
Mar 10, 2021
(Electronic) Receipt
Mar 10, 2021
Letter accompanying subsequently filed items
Mar 9, 2021
(Electronic) Receipt
Mar 9, 2021
Authorisation
Mar 9, 2021
Letter accompanying subsequently filed items
Mar 9, 2021
Submission concerning change of applicant's representative
Jan 22, 2021
Communication of a notice of opposition and request to file observations
Jan 22, 2021
Notice of further oppositions to opponent(s)
Dec 23, 2020
Communication of a notice of opposition - first information to patent proprietor
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Citation in opposition procedure - 001
Dec 18, 2020
Citation in opposition procedure - 001
Dec 18, 2020
Citation in opposition procedure - 002
Dec 18, 2020
Citation in opposition procedure - 002
Dec 18, 2020
Citation in opposition procedure - 003
Dec 18, 2020
Citation in opposition procedure - 003
Dec 18, 2020
Consolidated list of cited opposition documents
Dec 18, 2020
Notice of opposition
Dec 18, 2020
Notice of opposition
Apr 15, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 5, 2020
Decision to grant a European patent
Feb 18, 2020
(Electronic) Receipt
Feb 18, 2020
Filing of the translations of the claims
Feb 18, 2020
French translation of claims
Feb 18, 2020
German translation of the claims
Feb 18, 2020
Letter accompanying subsequently filed items
Oct 29, 2019
Bibliographic data of the European patent application
Oct 29, 2019
Communication about intention to grant a European patent
Oct 29, 2019
Intention to grant (signatures)
Oct 29, 2019
Text intended for grant (clean copy)
Oct 29, 2019
Text intended for grant (version for approval)
Jan 28, 2019
(Electronic) Receipt
Jan 28, 2019
Amended claims with annotations
Jan 28, 2019
Amended description with annotations
Jan 28, 2019
Claims
Jan 28, 2019
Description
Jan 28, 2019
Letter accompanying subsequently filed items
Jan 28, 2019
Reply to communication from the Examining Division
Sep 27, 2018
Annex to the communication
Sep 27, 2018
Communication from the Examining Division
Sep 19, 2018
Examination started
May 25, 2018
Notification regarding date of start of examination with possibility to withdraw
May 16, 2017
Submission concerning representation
Jul 5, 2016
(Electronic) Receipt
Jul 5, 2016
Letter accompanying subsequently filed items
Jul 5, 2016
Reply to invitation to file a copy of priority search results
Jun 15, 2016
Invitation to file a copy of search results(priority)
Jun 2, 2016
(Electronic) Receipt
Jun 2, 2016
Amended claims filed after receipt of (European) search report
Jun 2, 2016
Amended claims with annotations
Jun 2, 2016
Amendments received before examination
Jun 2, 2016
Letter accompanying subsequently filed items
May 10, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Apr 6, 2016
Notification of forthcoming publication
Mar 3, 2016
Communication regarding the transmission of the European search report
Mar 3, 2016
European search opinion
Mar 3, 2016
European search report
Mar 3, 2016
Information on Search Strategy
Feb 16, 2016
Search started
Jan 12, 2016
Confirmation of receipt of (electronically) transmitted priority document
Dec 28, 2015
Priority document (electronically transmitted)
Dec 18, 2015
Communication to designated inventor
Dec 18, 2015
Communication to designated inventor
Dec 18, 2015
Communication to designated inventor
Dec 18, 2015
Communication to designated inventor
Dec 18, 2015
Communication to designated inventor
Dec 18, 2015
Communication to designated inventor
Oct 26, 2015
Abstract
Oct 26, 2015
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 26, 2015
Claims
Oct 26, 2015
Description
Oct 26, 2015
Designation of inventor
Oct 26, 2015
Drawings
Oct 26, 2015
Request for grant of a European patent

EP3015780

XIAOMI

Application Number: EP15191507A
Filing Date: Oct 26, 2015
Status: Opposition Rejected; Mar 31, 2023
Publication Date: Apr 1, 2020
External Links: Slate, Register , Google Patents

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Method And Device For Controlling Purification Of Air

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Dossier Documents

EP3015780