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.

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: May 28, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Uses For And Article Of Manufacture Including Her2 Dimerization Inhibitor PertuzumabF HOFFMANN LA ROCHEApr 16, 2026STORZ
Targeting Chromatin Regulators Inhibits Leukemogenic Gene Expression Innpm1MEMORIAL SLOAN KETTERING CANCER CENTERApr 9, 2026ARROWHOUSE
Methods Of Treating Estrogen Receptor-Associated DiseasesOLEMA PHARMACEUTICALSApr 9, 2026GENERICS UK
Stabilizing Camptothecin Pharmaceutical CompositionsIPSEN BIOPHARMApr 8, 2026GRAF VON STOSCH PATENTANWALTSGESELLSCHAFT
Targeting Chromatin Regulators Inhibits Leukemogenic Gene Expression Innpm1MEMORIAL SLOAN KETTERING CANCER CENTERApr 8, 2026BOULT WADE TENNANT
Uses For And Article Of Manufacture Including Her2 Dimerization Inhibitor PertuzumabROCHEApr 8, 2026BRAND MURRAY FULLER
Stabilizing Camptothecin Pharmaceutical CompositionsIPSEN BIOPHARMApr 7, 2026TEVA PHARMACEUTICALS
Individualized Vaccines For CancerBIONTECHMar 24, 2026STRAWMAN
Treatment Of Lung Cancer Using A Combination Of An Anti-Pd-1 Antibody And An Anti-Ctla-4 AntibodyBRISTOL MYERS SQUIBBMar 18, 2026POHLMAN
Pharmaceutical FormulationsARRAY BIOPHARMAMar 18, 2026HAMM & WITTKOPP

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: May 28, 2026
Patent NumberPublication 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 ThereofAMGEN EUROPE15
Mar 10, 2021Novel Antitumoral Use Of CabazitaxelSANOFI13
Aug 18, 2021Formulations Of EnzalutamideASTELLAS PHARMA12
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