Purification Of Recombinantly Produced Polypeptides - EP2997036

The patent EP2997036 was granted to Medimmune on Mar 3, 2021. The application was originally filed on May 13, 2014 under application number EP14797310A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2997036

MEDIMMUNE
Application Number
EP14797310A
Filing Date
May 13, 2014
Status
Granted And Under Opposition
Jan 29, 2021
Grant Date
Mar 3, 2021
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

GLAXOSMITHKLINEDec 3, 2021BELLADMISSIBLE
OETKEDec 3, 2021WALLINGER RICKER SCHLOTTER TOSTMANNADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP2578286
INTERNATIONAL-SEARCH-REPORTUS2012101262
INTERNATIONAL-SEARCH-REPORTUS7807799
INTERNATIONAL-SEARCH-REPORTWO2010141039
INTERNATIONAL-SEARCH-REPORTWO2014066468
INTERNATIONAL-SEARCH-REPORTWO2014133460
OPPOSITIONWO2011073389
OPPOSITIONWO2014141150
OPPOSITIONWO2014186350
OTHERWO2014141150
SEARCHWO2015166072

Non-Patent Literature (NPL) Citations (13) 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
INTERNATIONAL-SEARCH-REPORT- NEWCOMBE ET AL., "Optimised affinity purification of polyclonal antibodies from hyperimmunised ovine serum using a synthetic Protein A adsorbent, MAbsorbent A2P'.", JOURNAL OF CHROMATOGRAPHY B, (20050125), vol. 814, pages 209 - 215, XP027626838
OPPOSITION- Anonymous, "section 3 ordering information ", Affi-Prep Protein A Matrix Instruction Manual, (20000101), XP055911714
OPPOSITION- Elin Monie, "Evaluation of the 96-well format for screening of chromatographic buffer conditions", Uptec X 03 030 Master's Degree Project, (20061001), ISSN 1401-2138, XP055495100
OPPOSITION- John M. Walker, "purification of igG using protein A or protein G ", THE PROTEIN PROTOCOLS HANDBOOK , (20020101), XP055911706
OPPOSITION- "Material Safety Data Sheet for Caprylic Acid", Sigma Aldrich,, (20050000), pages 1 - 5, XP055911705
OPPOSITION- "Sodium octanoate", ChemicalBook
OPPOSITION- STROLL et al., "GENERAL METHODS FOR HANDLING PROTEINS AND ENZYMES", Methods in Enzymology, (19900000), vol. 182, pages 24 - 38, XP055911253
OPPOSITION- JARED S. BEE et al., "Trace levels of the CHO host cell protease cathepsin D caused particle formation in a monoclonal antibody product", Biotechnol. Prog., (20150000), vol. 31, doi:10.1002/btpr.2150, pages 1360 - 1369, XP055689230
OPPOSITION- ABHINAV A. SHUKLA et al., "Host cell protein clearance during Protein A chromatography: development of an improved column wash step", Biotechnol. Prog., (20080000), vol. 24, doi:10.1002/btpr.50, pages 1115 - 1121, XP002562071
OPPOSITION- AMITH D. NAIK et al., "Performance of hexamer peptide ligands for affinity purification of immunoglobulin G from commercial cell culture media", Journal of Chromatography A, (20110000), vol. 1218, doi:10.1016/j.chroma.2010.11.071, pages 1691 - 1700, XP028175206
OPPOSITION- Newcombe, A.R. Cresswell, C. Davies, S. Watson, K. Harris, G. O'Donovan, K. Francis, R., "Optimised affinity purification of polyclonal antibodies from hyper immunised ovine serum using a synthetic Protein A adsorbent, MAbsorbent^(R) A2P", Journal of Chromatography B, ELSEVIER, AMSTERDAM., NL, NL , (20050125), vol. 814, no. 2, doi:10.1016/j.jchromb.2004.10.027, ISSN 1570-0232, pages 209 - 215, XP004705795
OPPOSITION- SUNIL CHHATRE et al., "Purification of antibodies using the synthetic affinity ligand absorbent MAbsorbent A2P", Nature, (20070000), vol. 2, no. 7, doi:10.1038/nprot.2007.253, pages 1763 - 1769, XP037115886
SEARCH- GOETZINGER W K ET AL, "Buffer system for the separation of neutral and charged small molecules using micellar electrokinetic chromatography with mass spectrometric detection", JOURNAL OF CHROMATOGRAPHY, ELSEVIER SCIENCE PUBLISHERS B.V, NL, vol. 1079, no. 1-2, ISSN 0021-9673, (20050624), pages 372 - 381, (20050624), XP027723045 [X] 11-15 * tables 1,2 *

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