IP Verse

Process For The Purification Of Oligonucleotides - EP3870594

The patent EP3870594 was granted to F Hoffmann LA Roche on Aug 2, 2023. The application was originally filed on Oct 22, 2019 under application number EP19789691A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3870594

F HOFFMANN LA ROCHE
Application Number
EP19789691A
Filing Date
Oct 22, 2019
Status
Granted And Under Opposition
Jun 30, 2023
Grant Date
Aug 2, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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

CYTIVA SWEDENMay 2, 2024MAIWALDWITHDRAWN

Patent Citations (4) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTWO2008154639
INTERNATIONAL-SEARCH-REPORTWO2012010711
INTERNATIONAL-SEARCH-REPORTWO2015164773
OPPOSITIONWO2015061246

Non-Patent Literature (NPL) Citations (10) New

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

Citation PhaseReference TextLink
DESCRIPTION- KROTZ et al., Organic Process Research & Development, (20030000), vol. 7, pages 47 - 52-
OPPOSITION- Anonymous, "Oligonucleotide synthesis", Wikipedia, Wikipedia, URL: https://en.wikipedia.org/w/index.php?title=Oligonucleotide synthesis&oldid=819533992, XP093189781-
OPPOSITION- Anonymous, "Oligonucleotide", Wikipedia, Wikipedia, URL: https://en.wikipedia.org/w/index.php?title=Oligonucleotide&oldid=795175353, XP093189790-
OPPOSITION- Anonymous, "Sartocube - Hydrosart Ultrafilter Cassette", Product Sheet Sartocube - Hydrosart Ultrafilter Cassette, Sartorius Stedim Biotech GmbH, (20120101), pages 1 - 2, Product Sheet Sartocube - Hydrosart Ultrafilter Cassette, URL: http://www.sartorius-sd.com.ua/files/Data_Sartocube_Hydrosart-Ultraf.pdf, XP093189628-
OPPOSITION- Schwartz L., Et Al, "Scientific & Technical Report Introduction to Tangential Flow Filtration for Laboratory and Process Development Applications", Pall Scientific & Technical Report, (20020101), pages 1 - 12, Pall Scientific & Technical Report, URL: https://www.pall.com/content/dam/pall/laboratory/literature-library/non-gated/Molecular_Tech_Report_Minimate_Intro_to_TFF.pdf, (20200527), XP055698772-
OPPOSITION- Scott Greg, "Avoiding Depurination During Trityl-on Purification", Application Note: TN-0008, Phenomenex, Inc., (20070101), pages 1 - 8, Application Note: TN-0008, URL: https://phenomenex.blob.core.windows.net/documents/26d078cf-e25b-49ef-9349-afbe0590de89.pdf, XP093189633-
OPPOSITION- E. Paredes, V. Aduda, K.L. Ackley, H. Cramer, "6.11 Manufacturing of Oligonucleotides", Comprehensive Medicinal Chemistry III, Vol 8: Case Histories in Recent Drug Discovery, ELSEVIER SCIENCE BV,, (20170615), vol. 6, pages 233 - 279, doi:10.1016/B978-0-12-409547-2.12423-0, ISBN 978-0-12-803200-8, XP009555921
OPPOSITION- Krotz Achim H., Mcelroy Bethany, Scozzari Anthony N., Cole Douglas L., Ravikumar Vasulinga T., "Controlled Detritylation of Antisense Oligonucleotides", Organic Process Research & Development, American Chemical Society, US, US , (20030101), vol. 7, no. 1, doi:10.1021/op020068u, ISSN 1083-6160, pages 47 - 52, XP093189598
OPPOSITION- Capaldi Daniel, Teasdale Andy, Henry Scott, Akhtar Nadim, Den Besten Cathaline, Gao-Sheridan Samantha, Kretschmer Matthias, Sharpe Neal, Andrews Ben, Burm Brigitte, Foy Jeffrey, "Impurities in Oligonucleotide Drug Substances and Drug Products", Nucleic Acid Therapeutics, Mary Ann Liebert, Inc. Publishers, US, US , (20171201), vol. 27, no. 6, doi:10.1089/nat.2017.0691, ISSN 2159-3337, pages 309 - 322, XP093189608
OPPOSITION- Egli Martin, Manoharan Muthiah, "Chemistry, structure and function of approved oligonucleotide therapeutics", Nucleic Acids Research, Oxford University Press, GB, GB , (20230411), vol. 51, no. 6, doi:10.1093/nar/gkad067, ISSN 0305-1048, pages 2529 - 2573, XP093189793

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