IP Verse

Production Of Polypeptides - EP1789571

The patent EP1789571 was granted to Pfizer Ireland Pharmaceuticals on Apr 26, 2017. The application was originally filed on Aug 26, 2005 under application number EP05792494A. The patent is currently recorded with a legal status of "Revoked".

EP1789571

PFIZER IRELAND PHARMACEUTICALS
Application Number
EP05792494A
Filing Date
Aug 26, 2005
Status
Revoked
Dec 9, 2022
Grant Date
Apr 26, 2017
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

JAMES POOLEJan 26, 2018CARPMAELS & RANSFORDADMISSIBLE
BREUERJan 24, 2018BREUERADMISSIBLE

Patent Citations (19) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
EXAMINATIONUS6048728
EXAMINATIONUS6656466
INTERNATIONAL-SEARCH-REPORTUS2004048368
INTERNATIONAL-SEARCH-REPORTWO02101019
INTERNATIONAL-SEARCH-REPORTWO03027248
INTERNATIONAL-SEARCH-REPORTWO9305145
INTERNATIONAL-SEARCH-REPORTWO9524484
INTERNATIONAL-SEARCH-REPORTWO9845411
OPPOSITIONUS5122469
OPPOSITIONUS6048728
OPPOSITIONUS6180401
OPPOSITIONUS6656466
OPPOSITIONUS6924124
OPPOSITIONWO02101019
OPPOSITIONWO2006026447
OTHEREP1781802
OTHEREP1781803
OTHEREP1992697
OTHERWO2006026408

Non-Patent Literature (NPL) Citations (28) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
EXAMINATION- "Culture media, animal cells, large scale production", Michael C. Flickinger and Stephen W. Drew, Encyclopedia of Bioprocess Technology: Fermentation, Biocatalysis and Bioseparation, Volumes 1-5, Wiley, (1999), pages 777 - 785, ISBN 0-471-13822-3
EXAMINATION- D10 cited by the Applicant: Calculations for Example 14
EXAMINATION- D7 cited by the Applicant: Calculations for Example 15
EXAMINATION- D8 cited by the Applicant: Calculations for Example 10
EXAMINATION- D9 cited by the Applicant: Calculations for Example 7
EXAMINATION- "Media, animal cell culture", Michael C. Flickinger and Stephen W. Drew, Encyclopedia of Bioprocess Technology: Fermentation, Biocatalysis and Bioseparation, Volumes 1-5, Wiley, (1999), pages 1660 - 1676, ISBN 0-471-13822-3
OPPOSITION- Casnocha et al., "Media, animal cell culture", Casnocha et al., Flickinger et al., Encyclopedia of Bioprocess Technology: Fermentation, Biocatalysis and Bioseparation, (19990000), vol. 1 -5, pages 1660 - 1676, XP055459867
OPPOSITION- DYRING et al., "Observations on the influence of glutamine, asparagine and peptone on growth and t-PA production of Chinese hamster ovary (CHO) cells", Cytotechnology, (19940000), vol. 16, pages 37 - 42, XP055458559
OPPOSITION- DYRING et al., "The Influence of Ammonium on T-Pa Production from Chinese Hamster Ovary (CHO) Cells", DYRING et al., Spier et al., Animal Cell Technology: Products of Today, Prospects for Tomorrow, (19940000), pages 155 - 157, XP055459829
OPPOSITION- GAWLITZEK et al., "AMMONIUM ALTERS N-GLYCAN STRUCTURES OF RECOMBINANT TNFR-IGG: DEGRADATIVE VERSUS BIOSYNTHETIC MECHANISMS", Biotechnol. Bioeng., (20000000), vol. 68, pages 637 - 646, XP008079772
OPPOSITION- GORFIEN et al., "Optimized Nutrient Additives for Fed-Batch Cultures", BioPharm International, (20030400), pages 34 - 40, XP007920843
OPPOSITION- JERUMS et al., "Optimization of Cell Culture Media", BioProcess International, (20050600), pages 38 - 44, XP055051783
OPPOSITION- MOORE et al., "Effects of temperature shift on cell cycle, apoptosis and nucleotide pools in CHO cell batch cultues", Cytotechnology, (19970000), vol. 23, no. 47, pages 47 - 54, XP055459889
OPPOSITION- YOON et al., "Effect of low culture temperature on specific productivity, transcription level, and heterogeneity of erythropoietin in Chinese hamster ovary cells", Biotechnol. Bioeng., (20030000), vol. 82, pages 289 - 298, XP055092889
OPPOSITION- FOX et al., "Maximizing interferon-gamma production by chinese hamster ovary cells through temperature shift optimization: Experimental and modeling", Biotechnology and bioengineering, (20040120), vol. 85, no. 2, pages 177 - 184, XP002425198
OPPOSITION- BORYS et al., "Ammonia affects the glycosylation patterns of recombinant mouse placental lactogen-I by chinese hamster ovary cells in a pH-dependent manner", Biotechnol. Bioeng., (19940000), vol. 43, pages 505 - 514, XP002759725
OPPOSITION- KAUFMANN et al., "Influence of low temperature on productivity, proteome and protein phosphorylation of CHO cells", Biotechnol. Bioeng., (19990000), vol. 63, pages 573 - 582, XP002389455
OPPOSITION- BUTLER et al., "Animal cell cultures: recent achievements and per- spectives in the production of biopharmaceuticals", Applied microbiology and biotechnology, (20050000), vol. 68, no. 3, pages 283 - 291, XP019331930
OPPOSITION- KUMAR et al., "Proliferation control strategies to improve productivity and survival during CHO based production culture - A summary of recent methods employed and the effects of proliferation control in product secreting CHO cell lines", Cytotechnology, (20070000), vol. 53, pages 33 - 46, XP019499816
OPPOSITION- KURANO et al., "Growth behavior of Chinese hamster ovary cells in a compact loop bioreactor. 2. Effects of medium components and waste products", J. Biotechnol., (19900000), vol. 15, pages 113 - 128, XP023704790
OPPOSITION- SCHNEIDER et al., "The importance of ammonia in mammalian cell culture", J. Biotechnol., (19960000), vol. 46, pages 161 - 185, XP004036787
OPPOSITION- CHU et al., "Industrial choices for protein production by large-scale cell culture", Current Opinion in Biotechnology, (20010000), vol. 12, pages 180 - 187, XP003014088
OPPOSITION- CHU et al., "Industrial choices for protein production by large-scale cell culture", Curr.Opin. Biotechnol., (20010000), vol. 12, pages 180 - 187, XP003014088
OPPOSITION- YANG et al., "Effect of Ammonia on the Glycosylation of Human Recombinant Erythropoietin in Culture", Biotechnol. Prog., (20000000), vol. 16, no. 5, pages 751 - 759, XP008150310
OPPOSITION- BIBILA et al., "IN PURSUIT OF THE OPTIMAL FED-BATCH PROCESSES FOR MONOCLONAL ANTIBODY PRODUCTION", Biotechnol. Prog., (19950000), vol. 11, pages 1 - 13, XP001183574
OPPOSITION- YANG et al., "Effects of Ammonia and Glucoseamine on the Heterogeneity of Erythropoietin Glycoforms", Biotechnol. Prog., (20020000), vol. 18, pages 129 - 138, XP002997170
OPPOSITION- KIM et al., "Biphasic culture strategy based on hyperosmotic pressure for improved humanized antibody production in Chinese hamster ovary cell culture", In Vitro Cell . Dev. Biol., (20020000), vol. 38, pages 314 - 319, XP008160821
OPPOSITION- LI et al., "Cell culture processes for monoclonal antibody production", Mabs, (20100000), vol. 2, no. 5, pages 466 - 479, XP055166177

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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

  • Get instant alerts for new documents