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: Feb 12, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Manufacture Of A Crystalline Pharmaceutical ProductORIONJan 9, 2026DR SCHON
Manufacture Of A Crystalline Pharmaceutical ProductORIONJan 8, 2026HAMPTON KNOWLES
Targeting Chromatin Regulators Inhibits Leukemogenic Gene Expression Innpm1MEMORIAL SLOAN KETTERING CANCER CENTERJan 7, 2026STRAWMAN
Chimeric Antigen Receptors Targeting B-Cell Maturation AntigenTHE USA REPRESENTED BY THE SECRETARYDec 31, 2025BOULT WADE TENNANT
Treatment Of Breast Cancer Using Combination Therapies Comprising Gdc-9545 And Gdc-0077GENENTECHDec 29, 2025BOTTI & FERRARI
Antibody Compositions And Methods Of Use ThereofBRISTOL MYERS SQUIBBDec 22, 2025PAJARO
Combinations Of Cabozantinib And Atezolizumab To Treat CancerEXELIXISDec 19, 2025STADA ARZNEIMITTEL
Polymorphs And Solid Forms Of (S)-2-((2-((S)-4-(Difluoromethyl)-2-Oxooxazolidin-3-Yl)-5,6-Dihydrobenzo[F]Imidazo[1,2-D][1,4]Oxazepin-9-Yl)Amino)Propanamide, And Methods Of ProductionF HOFFMANN LA ROCHEDec 19, 2025BOTTI & FERRARI
Solid State Forms Of Ixazomib CitrateASSIA CHEMICAL INDUSTRIESDec 19, 2025HAMM & WITTKOPP
Antibody Compositions And Methods Of Use ThereofBRISTOL MYERS SQUIBBDec 19, 2025CAMULON

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: Feb 12, 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 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