blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP2969978

EP2969978 - METHOD AND APPARATUS FOR MAXIMIZING NITROGEN REMOVAL FROM WASTEWATER [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  22.09.2023
Database last updated on 05.10.2024
FormerExamination is in progress
Status updated on  16.11.2018
Most recent event   Tooltip22.09.2023Refusal of applicationpublished on 25.10.2023  [2023/43]
Applicant(s)For all designated states
D.C. Water & Sewer Authority
5000 Overlook Avenue SW
Washington, DC 20032 / US
For all designated states
Hampton Roads Sanitation District
1434 Air Rail Avenue
P.O. Box 5911
Virginia Beach, VA 23471-0911 / US
[2016/03]
Inventor(s)01 / REGMI, Pusker
HRSD
P.O. Box 5911
Virginia Beach, Virginia 23471-0911 / US
02 / MILLER, Mark
HRSD
P.O. Box 5911
Virginia Beach, Virginia 23471-0911 / US
03 / MURTHY, Sudhir N.
DC Water and Sewer Authority
5000 Overlook Avenue
SW
Washington, District of Columbia 20032 / US
04 / BOTT, Charles B.
HRSD
P.O. Box 5911
Virginia Beach, Virginia 23471-0911 / US
 [2016/03]
Representative(s)Potter Clarkson
Chapel Quarter
Mount Street
Nottingham NG1 6HQ / GB
[N/P]
Former [2016/03]Potter Clarkson LLP
The Belgrave Centre
Talbot Street
Nottingham NG1 5GG / GB
Application number, filing date14769473.114.03.2014
[2016/03]
WO2014US28069
Priority number, dateUS201361783232P14.03.2013         Original published format: US 201361783232 P
[2016/03]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2014152872
Date:25.09.2014
Language:EN
[2014/39]
Type: A1 Application with search report 
No.:EP2969978
Date:20.01.2016
Language:EN
The application published by WIPO in one of the EPO official languages on 25.09.2014 takes the place of the publication of the European patent application.
[2016/03]
Search report(s)International search report - published on:US25.09.2014
(Supplementary) European search report - dispatched on:EP24.11.2016
ClassificationIPC:C02F3/00, C02F3/30, C02F3/28
[2016/52]
CPC:
C02F3/307 (EP,IL,KR,US); C02F3/302 (IL,RU); C02F3/006 (EP,IL,KR,US);
C02F1/24 (EP,IL,KR,US); C02F3/08 (EP,IL,KR,US); C02F3/104 (EP,IL,KR,US);
C02F3/1257 (EP,IL,KR,US); C02F3/1263 (EP,IL,KR,US); C02F3/1268 (EP,IL,KR,US);
C02F3/301 (EP,IL,KR,US); C02F2003/001 (IL,US); C02F2101/16 (IL,US);
C02F2209/001 (EP,IL,KR,US); C02F2209/005 (EP,IL,KR,US); C02F2209/006 (EP,IL,US);
C02F2209/10 (EP,IL,US); C02F2209/14 (EP,IL,US); C02F2209/15 (EP,IL,US);
C02F2209/22 (IL,US); C02F2209/44 (EP,IL,US); Y02W10/10 (EP,US) (-)
Former IPC [2016/03]C02F3/02
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2016/03]
TitleGerman:VERFAHREN UND VORRICHTUNG ZUR MAXIMIERUNG DER STICKSTOFFENTFERNUNG AUS ABWASSER[2016/03]
English:METHOD AND APPARATUS FOR MAXIMIZING NITROGEN REMOVAL FROM WASTEWATER[2016/03]
French:PROCÉDÉ ET APPAREIL PERMETTANT DE MAXIMISER L'ÉLIMINATION DE L'AZOTE DES EAUX USÉES[2016/03]
Entry into regional phase09.09.2015National basic fee paid 
09.09.2015Search fee paid 
09.09.2015Designation fee(s) paid 
09.09.2015Examination fee paid 
Examination procedure09.09.2015Examination requested  [2016/03]
19.06.2017Amendment by applicant (claims and/or description)
15.11.2018Despatch of a communication from the examining division (Time limit: M06)
23.05.2019Reply to a communication from the examining division
11.02.2021Date of oral proceedings
22.02.2021Minutes of oral proceedings despatched
23.02.2021Despatch of communication that the application is refused, reason: substantive examination [2023/43]
21.06.2023Application refused, date of legal effect [2023/43]
Appeal following examination21.04.2021Appeal received No.  T1148/21
21.04.2021Payment of appeal fee
24.06.2021Statement of grounds filed
21.06.2023Result of appeal procedure: appeal of the applicant was rejected
18.09.2023Despatch of the decision of the Board of Appeal
21.06.2023Date of oral proceedings
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  15.11.2018
Fees paidRenewal fee
29.03.2016Renewal fee patent year 03
27.03.2017Renewal fee patent year 04
13.03.2018Renewal fee patent year 05
08.03.2019Renewal fee patent year 06
10.03.2020Renewal fee patent year 07
12.03.2021Renewal fee patent year 08
14.02.2022Renewal fee patent year 09
14.02.2023Renewal fee patent year 10
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[A]WO2006129132  (LYBERATOS GERASIMOS [GR], et al) [A] 1-16 * abstract * * page 5 line 12-26 * * page 9 line 18 to page 10 line 6 * * page 13 line 16 - page 14 line 20 *;
 [X]US2010303695  (GONZALEZ OSPINA ADRIANA [FR]) [X] 1-16 * abstract * * paragraph [0099] - paragraph [0100] * * paragraph [0104] * * paragraph [0114] * * par: 83, 84, 88 * * paragraph [0040] *;
 [X]CA2780017  (VEOLIA WATER SOLUTIONS & TECH [FR]) [X] 1-16 * abstract * * page 16 last paragraph * * page 28 last paragraph * * page 8, line 6 - line 10 * * page 9, line 1 - line 4 * * page 10, line 1 - line 14 *;
 [A]WO2012085288  (VEOLIA WATER SOLUTIONS & TECH [FR], et al) [A] 1-16 * abstract *;
 US8956540  [ ] (LEMAIRE ROMAIN [FR], et al) [ ] * abstract * * column 4, line 30 - line 48 * * column 5 lines 24-67 * * column 8 lines 4-13 * * column 9 line 55 to column 10 line 43 * * detailed example B and trial C, column 12 line 32 to column 14 line 22 *;
 [T]  - REGMI PUSKER ET AL, "Control of aeration, aerobic SRT and COD input for mainstream nitritation/denitritation", WATER RESEARCH, ELSEVIER, AMSTERDAM, NL, (20140326), vol. 57, doi:10.1016/J.WATRES.2014.03.035, ISSN 0043-1354, pages 162 - 171, XP029021873 [T] 1-16 * the whole document * * abstract *

DOI:   http://dx.doi.org/10.1016/j.watres.2014.03.035
 [T]  - PUSKER REGMI ET AL, "Supplementary Information: Control of aeration, aerobic SRT and COD input for mainstream nitritation/denitritation", WATER RESEARCH., NL, (20140601), vol. 57, doi:10.1016/j.watres.2014.03.035, ISSN 0043-1354, pages 162 - 171, XP055286042 [T] 1-16

DOI:   http://dx.doi.org/10.1016/j.watres.2014.03.035
International search[A]US5525231  (HO KIN M [HK], et al);
 [A]US5626755  (KEYSER GENE E [US], et al);
 [A]US7153429  (PEDROS PHILIP B [US]);
 [A]US8252182  (CHANG NI-BIN [US], et al);
 [A]US8323498  (JENKINS THEODORE K [US], et al)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.