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Patent opposition analysis in cancer drugs industry

In the competitive field of cancer drugs, companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top opposing and opposed companies, and the most recent patents getting opposed. Stay informed on the latest developments in cancer drugs technology and learn how to protect your intellectual property.

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Explore the top companies that have filed the most patent oppositions in the technology industry.

Explore the top companies that have faced the most patent oppositions in the technology industry.

Patent challenges are becoming increasingly common in the cancer drugs industry as companies work to protect their innovations in a highly competitive market. These legal battles can significantly impact the development and release of new technologies. Below is a list of the latest patents that have been opposed in the cancer drugs industry, offering a snapshot of the ongoing struggles over intellectual property rights. For anyone involved in this industry, understanding these patent disputes is essential for navigating its future.

Last updated on: Sep 4, 2025
Patent NumberTitleApplicantOpposition DateOpposition Name

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Conjugate Of Galnac And Saponin, Therapeutic Composition Comprising Said Conjugate And A Galnac-Oligonucleotide ConjugateSAPREMEJul 29, 2025STRAWMAN
Novel Lipids And Compositions For The Delivery Of TherapeuticsARBUTUS BIOPHARMAJul 23, 2025MERCK SHARP & DOHME UK
Treatment Of Cancer By Manipulation Of Commensal MicrofloraTHE UNIVERSITY OF CHICAGOJul 16, 2025HGF
Anticancer CompositionsARAGON PHARMACEUTICALSJul 9, 2025BRAND MURRAY FULLER
Anticancer CompositionsARAGON PHARMACEUTICALSJul 8, 2025TEVA PHARMACEUTICALS
Anticancer CompositionsARAGON PHARMACEUTICALSJul 7, 2025HAMM & WITTKOPP
Use Of Riluzole Prodrugs To Treat AtaxiasBIOHAVEN PHARMACEUTICAL HOLDINGJul 2, 2025KRAUS & LEDERER PARTGMBB
Anti-Pd-1 And Anti-Vegfa Bifunctional Antibody, Pharmaceutical Composition Thereof And Use ThereofAKESO BIOPHARMAJun 18, 2025STRAWMAN
Uses For And Article Of Manufacture Including Her2 Dimerization Inhibitor PertuzumabF HOFFMANN LA ROCHEJun 18, 2025STORZ
Uses For And Article Of Manufacture Including Her2 Dimerization Inhibitor PertuzumabF HOFFMANN LA ROCHEJun 17, 2025LANYON OPPOSITIONS

To stay ahead in the competitive cancer drugs industry, companies are constantly innovating. Here are the top patents facing oppositions in the cancer drugs industry. Stay informed on the latest opposition trends and learn how to protect your intellectual property.

Last updated on: Sep 4, 2025
Patent NumberGrant DateTitleApplicantTotal Oppositions
Apr 14, 2021Methods And Compositions For Treating CancerCOUGAR BIOTECHNOLOGY22
Jan 16, 2019(+)-2-[1-(3-Ethoxy-4-Methoxyphenyl)-2-Methylsulfonylethyl]-4-Acetylaminoisoindoline-1,3-Dione: Methods Of Using And Compositions ThereofCELGENE15
Mar 10, 2021Novel Antitumoral Use Of CabazitaxelSANOFI MATURE13
Aug 18, 2021Formulations Of EnzalutamideMEDIVATION PROSTATE THERAPEUTICS11
Nov 21, 2018Formulation Of Boronic Acid CompoundsTHE UNITED STATES OF AMERICA11
Aug 21, 2019Rapamycin Derivative For Treating Pancreas CancerNOVARTIS10
Feb 17, 2021Pharmaceutical Composition For Cancer TreatmentSHIONOGI10
Jan 13, 2021Method Of Treating Cancer Using Immune Checkpoint InhibitorBRISTOL MYERS SQUIBB9
Sep 18, 2019Rapamycin Derivative For The Treatment Of A Solid Tumor Associated With Deregulated AngiogenesisNOVARTIS9
May 20, 2015Treatment Of Solid Tumours With Rapamycin DerivativesNOVARTIS9