Patent Oppositions in cancer drugs industry

Explore the competitive field of cancer drugs where companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top companies filing and facing patent oppositions, and the most recent patents under dispute. Stay informed on patent activity 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.

Explore the top law firms that have filed 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: Oct 30, 2025
Patent NumberTitleApplicantOpposition DateOpposition Name

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Combination DrugCHUGAI SEIYAKU KABUSHIKI KAISHASep 24, 2025BOTTI & FERRARI
Methods Of Treating Prostate CancerJANSSEN PHARMACEUTICASep 17, 2025SANDOZ
System And Method For Genome EditingINSTITUTE OF ZOOLOGYSep 11, 2025STRAWMAN
Treatment Of CancerINNATE PHARMASep 11, 2025STRAWMAN
Treatment Of CancerINNATE PHARMASep 10, 2025ARROWHOUSE
Solid Oral Formulation Of FenretinideLAURENT PHARMACEUTICALSSep 9, 2025WUESTHOFF & WUESTHOFF
Preparation Containing Tetracyclic Compound At High DoseCHUGAI SEIYAKU KABUSHIKI KAISHAAug 20, 2025ELKINGTON AND FIFE
Preparation Containing Tetracyclic Compound At High DoseCHUGAI SEIYAKU KABUSHIKI KAISHAAug 19, 2025TEVA PHARMACEUTICALS
Processes For Preparing Jak Inhibitors And Related Intermediate CompoundsINCYTEAug 12, 2025KARO
Treatment Of Prostate CancerSUMITOMO PHARMA SWITZERLANDAug 7, 2025ABG LAW

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: Oct 30, 2025
Patent NumberGrant DateTitleApplicantTotal Oppositions
Apr 14, 2021Methods And Compositions For Treating CancerJANSSEN ONCOLOGY22
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 CabazitaxelAVENTIS PHARMA13
Aug 18, 2021Formulations Of EnzalutamideMEDIVATION PROSTATE THERAPEUTICS12
Nov 21, 2018Formulation Of Boronic Acid CompoundsTHE UNITED STATES OF AMERICA12
Feb 17, 2021Pharmaceutical Composition For Cancer TreatmentSHIONOGI10
Dec 18, 2019Cabazitaxel And Its Use For Treating CancerAVENTIS PHARMA10
Aug 21, 2019Rapamycin Derivative For Treating Pancreas CancerNOVARTIS10
Aug 10, 2022High-Purity Quinoline Derivative And Method For Manufacturing SameEISAI R&D MANAGEMENT10
Jan 13, 2021Method Of Treating Cancer Using Immune Checkpoint InhibitorBRISTOL MYERS SQUIBB9