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Extract from the Register of European Patents

EP About this file: EP0481791

EP0481791 - Culture medium for CHO-cells and adapted CHO-cells [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  16.03.2007
Database last updated on 29.03.2025
Most recent event   Tooltip23.11.2007New entry: Decision (+date) in appeal procedure 
Applicant(s)For all designated states
THE WELLCOME FOUNDATION LIMITED
Glaxo Wellcome House, Berkeley Avenue Greenford
Middlesex UB6 0NN / GB
[N/P]
Former [1997/42]For all designated states
THE WELLCOME FOUNDATION LIMITED
Glaxo Wellcome House, Berkeley Avenue
Greenford, Middlesex UB6 0NN / GB
Former [1992/17]For all designated states
THE WELLCOME FOUNDATION LIMITED
Unicorn House 160 Euston Road
London NW1 2BP / GB
Inventor(s)01 / Keen, Michael John
Langley Court
Beckenham, Kent BR3 3BS / GB
02 / Rapson, Nicholas Timothy
Langley Court
Beckenham, Kent BR3 3BS / GB
[1992/17]
Representative(s)Stott, Michael John, et al
GlaxoSmithKline Corporate Intellectual Property (CN9.25.1) 980 Great West Road
Brentford, Middlesex TW8 9GS / GB
[N/P]
Former [1996/35]Stott, Michael John, et al
Glaxo Wellcome plc, Glaxo Wellcome House, Berkeley Avenue
Greenford, Middlesex UB6 0NN / GB
Former [1992/17]Stott, Michael John, et al
The Wellcome Research Laboratories Group Patents & Agreements Langley Court
Beckenham Kent BR3 3BS / GB
Application number, filing date91309596.417.10.1991
[1992/17]
Priority number, dateGB1990002254517.10.1990         Original published format: GB 9022545
[1992/17]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0481791
Date:22.04.1992
Language:EN
[1992/17]
Type: A3 Search report 
No.:EP0481791
Date:08.07.1992
Language:EN
[1992/28]
Type: B1 Patent specification 
No.:EP0481791
Date:27.08.2003
Language:EN
[2003/35]
Search report(s)(Supplementary) European search report - dispatched on:EP21.05.1992
ClassificationIPC:C12N5/02, C12N5/10
[1992/17]
CPC:
C07K16/2893 (EP,US); C12N5/0043 (EP,US); C12N9/6459 (EP,US);
C12Y304/21069 (EP,US); C12N2500/20 (EP,US); C12N2500/32 (EP,US);
C12N2500/34 (EP,US); C12N2500/36 (EP,US); C12N2500/38 (EP,US);
C12N2500/74 (EP,US); C12N2500/76 (EP,US); C12N2501/135 (EP,US);
C12N2501/23 (EP,US); C12N2501/33 (EP,US); C12N2501/39 (EP,US);
C12N2501/392 (EP,US); C12N2501/395 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1992/17]
TitleGerman:Nährmedium für CHO-Zellen und daran angepasste Zellen[1992/17]
English:Culture medium for CHO-cells and adapted CHO-cells[1992/17]
French:Milieu de culture pour les cellules CHO et cellules CHO adaptées[1992/17]
Examination proceduredeletedDecision about request for accelerated examination - accepted: No
29.10.1991Examination requested  [1992/17]
27.02.1995Despatch of a communication from the examining division (Time limit: M04)
16.06.1995Reply to a communication from the examining division
15.03.1996Despatch of a communication from the examining division (Time limit: M06)
24.07.1996Reply to a communication from the examining division
23.12.1996Despatch of a communication from the examining division (Time limit: M06)
01.07.1997Reply to a communication from the examining division
15.09.1998Despatch of a communication from the examining division (Time limit: M04)
15.01.1999Reply to a communication from the examining division
28.04.2000Request for accelerated examination filed
04.08.2000Despatch of a communication from the examining division (Time limit: M06)
09.04.2001Reply to a communication from the examining division
13.11.2001Observations by third parties
06.12.2001Despatch of a communication from the examining division (Time limit: M02)
07.12.2001Reply to a communication from the examining division
09.01.2002Despatch of communication of intention to grant (Approval: Yes)
21.02.2002Communication of intention to grant the patent
10.07.2002Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time
12.07.2002Fee for grant paid
12.07.2002Fee for publishing/printing paid
21.10.2005Observations by third parties
Divisional application(s)EP02003143.1  / EP1221476
EP07114585.8  / EP1849862
Opposition(s)Opponent(s)01  27.05.2004  11.06.2004  ADMISSIBLE
Amgen Inc.
One Amgen Center Drive
Thousand Oaks, CA93120-1789 / US
Opponent's representative
von Menges, Albrecht
Uexküll & Stolberg Partnerschaft von
Patent- und Rechtsanwälten mbB
Beselerstrasse 4
22607 Hamburg / DE
 02  27.05.2004  11.06.2004  ADMISSIBLE
F. Hoffmann-La Roche Ltd
-
4070 Basel / CH
Opponent's representative
White, Martin Paul
Whites IP Ltd
24A Carnatic Road
Liverpool L18 8BZ / GB
 03  27.05.2004  26.11.2004  ADMISSIBLE
Dr. Andre Kasche
Cremerstr. 7
55595 Wallhausen / DE
Opponent's representative
Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
 [N/P]
Former [2007/16]
Opponent(s)01  27.05.2004  11.06.2004  ADMISSIBLE
Amgen Inc.
One Amgen Center Drive
Thousand Oaks, CA93120-1789 / US
Opponent's representative
von Menges, Albrecht
Uexküll & Stolberg Patentanwälte Beselerstrasse 4
22607 Hamburg / DE
 02  27.05.2004  11.06.2004  ADMISSIBLE
F. Hoffmann-La Roche Ltd
-
4070 Basel / CH
Opponent's representative
White, Martin Paul
Patents Designs & Brands Ltd. Suit 46 Oriel Chambers 14 Water St
Liverpool L2 8TD / GB
 03  27.05.2004  26.11.2004  ADMISSIBLE
Dr. Andre Kasche
Cremerstr. 7
55595 Wallhausen / DE
Opponent's representative
Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
80538 München / DE
Former [2005/03]
Opponent(s)01  27.05.2004  11.06.2004  ADMISSIBLE
Amgen Inc.
One Amgen Center Drive
Thousand Oaks, CA93120-1789 / US
Opponent's representative
von Menges, Albrecht
Uexküll & Stolberg Patentanwälte Beselerstrasse 4
22607 Hamburg / DE
 02  27.05.2004  11.06.2004  ADMISSIBLE
F. Hoffmann-La Roche Ltd
-
4070 Basel / CH
Opponent's representative
White, Martin Paul
White & Co 60 Beach Priory Gardens
Southport PR8 1RT / GB
 03  27.05.2004  26.11.2004  ADMISSIBLE
Dr. Andre Kasche
Cremerstr. 7
55595 Wallhausen / DE
Opponent's representative
Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
80538 München / DE
Former [2004/30]
Opponent(s)01  27.05.2004  11.06.2004  ADMISSIBLE
Amgen Inc.
One Amgen Center Drive
Thousand Oaks, CA93120-1789 / US
Opponent's representative
von Menges, Albrecht
Uexküll & Stolberg Patentanwälte Beselerstrasse 4
22607 Hamburg / DE
 02  27.05.2004  11.06.2004  ADMISSIBLE
F. Hoffmann-La Roche Ltd
-
4070 Basel / CH
Opponent's representative
White, Martin Paul
White & Co 60 Beach Priory Gardens
Southport PR8 1RT / GB
 03  27.05.2004  26.11.2004  ADMISSIBLE
Dr. Andre Kasche
Cremerstr. 7
55595 Wallhausen / DE
Opponent's representative
Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
D-80538 München / DE
08.07.2004Invitation to proprietor to file observations on the notice of opposition
18.03.2005Reply of patent proprietor to notice(s) of opposition
10.05.2006Date of oral proceedings
19.10.2006Despatch of minutes of oral proceedings
19.10.2006Despatch of communication that the patent will be revoked
29.10.2006Legal effect of revocation of patent [2007/16]
Appeal following opposition02.02.2007Appeal received No.  T0261/07
31.05.2007Statement of grounds filed
27.09.2007Result of appeal procedure: appeal of the proprietor deemed not to be filed
27.09.2007Date of oral proceedings
08.10.2007Minutes of the oral proceedings despatched
Request for further processing for:12.07.2002Request for further processing filed
12.07.2002Full payment received (date of receipt of payment)
Request granted
01.08.2002Decision despatched
09.04.2001Request for further processing filed
09.04.2001Full payment received (date of receipt of payment)
Request granted
24.04.2001Decision despatched
Fees paidRenewal fee
05.08.1993Renewal fee patent year 03
03.08.1994Renewal fee patent year 04
04.08.1995Renewal fee patent year 05
09.10.1996Renewal fee patent year 06
10.10.1997Renewal fee patent year 07
12.10.1998Renewal fee patent year 08
14.10.1999Renewal fee patent year 09
11.10.2000Renewal fee patent year 10
11.10.2001Renewal fee patent year 11
15.10.2002Renewal fee patent year 12
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Documents cited:Search[X]WO8800967  (UNIV NEW SOUTH WALES [AU], et al);
 JPS63196268  [ ] (KANEGAFUCHI CHEMICAL IND);
 [X]US4767704  (CLEVELAND WILLIAM L [US], et al);
 [A]EP0307247  (GENENTECH INC [US]);
 [A]EP0316068  (COLLABORATIVE RES INC [US]);
 [X]EP0325190  (BOEHRINGER MANNHEIM GMBH [DE]);
 [YD]EP0328404  (MEDICAL RES COUNCIL [GB], et al);
 [X]EP0390327  (LILLY CO ELI [US]);
 [X]EP0389786  (GRACE W R & CO [US]);
 [X]  - CHEMICAL ABSTRACTS, (19890508), vol. 110, no. 19, Database accession no. 171821N, page 652
 [X]  - FEYS V. ET AL., "Expression of functional mouse antibodies directed against the tumor marker human placental alkaline phosphatase in non-lymphoid cells", CHEMICAL ABSTRACTS, (19880606), vol. 108, no. 23, Database accession no. 202886C, page 514
    [ ] - INT. J. CANCER, (1988), no. SUPPL2, pages 26 - 27
 [X]  - TSUJIMOTO M. ET AL., "Purification and characterization of recombinant human interleukin 5 expressed in Chinese Hamster ovary cells", JOURNAL OF BIOCHEMISTRY, TOKYO, JP, (1989), vol. 106, pages 23 - 28, XP000028774
 [X]  - ZETTWEISSL G. ET AL., "Expression of biologically active human antithrombin III in Chinese Hamster ovary cells", BIOTECHNOLOGY, NEW YORK, US, (198707), vol. 5, pages 720 - 725
 [XP]  - PAGE M.J. ET AL., "High level expression of the humanized monoclonal antibody compath-1H in Chinese Hamster Ovary cells", BIOTECHNOLOGY, NEW YORK, US, (199101), vol. 9, doi:doi:10.1038/nbt0191-64, pages 64 - 68, XP001204851

DOI:   http://dx.doi.org/10.1038/nbt0191-64
 [A]  - FRESHNEY R.I., "CULTURE OF ANIMAL CELLS", ALAN R. LISS, NEW YORK, US, (1988), pages 71 - 84
otherWO0151615
    - MERTEN O.W. ET AL, "Development of a Protein-free Medium for Bioreactor Cultures of Hybridoma Cell Lines", THE 10TH MEETING - PRODUCTION OF BIOLOGICALS FROM ANIMAL CELLS IN CULTURE RESEARCH, DEVELOPMENT AND ACHIEVEMENTS, AVIGNON, FRANCE, (19900507), page 151, XP001052757
    - BIOTECHABS, Database accession no. 1986-01469, XP001052758
    - GASSER F. ET AL, "Long-term multiplication of the Chinese hamster ovary (CHO) cell line in a serum-free medium; composition of a new synthetic culture medium GC3", IN VITRO, TOULOUSE, (198510), vol. 21, no. 10, pages 588 - 592
    - LITWIN J., "A survey of various media and growth factors used in cell cultivation", PROCEEDINGS OF THE 2ND GENERAL MEETING OF ESACT, BASEL, (1979), vol. 42, pages 37 - 45, XP002991480
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.