Patents Examined by Lynn A. Bristol
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Patent number: 12037404Abstract: The present invention provides new, fully human EphA4 monoclonal antibodies with distinct binding characteristics. Also disclosed are antigen binding fragments of these antibodies, bispecific forms of these antibodies, and conjugates of these antibodies. In addition, nucleic acids encoding these antibodies, antigen binding fragments, bispecific antibodies and conjugates are disclosed. These monoclonal antibodies, antigen binding fragments, bispecific antibodies, conjugates, nucleic acids and vector are of use for identifying and treating a subject with a disease or condition involving abnormal EphA4-mediated signaling.Type: GrantFiled: February 15, 2021Date of Patent: July 16, 2024Assignee: THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Nancy Yuk-Yu Ip, Kit Yu Fu, Wing Yu Fu, Dimiter S. Dimitrov, Tianlei Ying
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Patent number: 12037398Abstract: The invention relates to anti-VLA-4 antibodies and binding fragments thereof. The invention further includes polynucleotides encoding said antibodies and binding fragments thereof and methods of manufacturing said antibodies and binding fragments thereof. The invention further includes methods of treating patients suffering from multiple sclerosis and/or epilepsy by administration of said antibodies and binding fragments thereof. The invention further includes methods of reducing the susceptibility to scrambling of a recombinant anti-alpha 4 antibody or a binding fragment thereof.Type: GrantFiled: May 31, 2019Date of Patent: July 16, 2024Assignee: Biogen MA Inc.Inventors: Janine Lisa Ferrant-Orgettas, Robert Blake Pepinsky, Ellen Duggan Cahir-McFarland, Nadia Giselle D'Lima, Joseph Walter Arndt, Karl John Mortley Hanf, Thomas Owen Cameron, Ellen Garber Stark
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Patent number: 12024569Abstract: This invention relates to antibodies that specifically bind HER2/neu, and particularly chimeric 4D5 antibodies to HER2/neu, which have reduced glycosylation as compared to known 4D5 antibodies. The invention also relates to methods of using the 4D5 antibodies and compositions comprising them in the diagnosis, prognosis and therapy of diseases such as cancer, autoimmune diseases, inflammatory disorders, and infectious disease.Type: GrantFiled: May 5, 2021Date of Patent: July 2, 2024Assignee: MacroGenics, Inc.Inventors: Leslie S. Johnson, Ling Huang, Nadine Tuaillon, Ezio Bonvini
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Patent number: 12011481Abstract: The instant disclosure provides antibodies that specifically bind to TIM 3 and antagonize TIM-3 function. Also provided are pharmaceutical compositions comprising these antibodies, nucleic acids encoding these antibodies, expression vectors and host cells for making these antibodies, and methods of treating a subject using these antibodies.Type: GrantFiled: January 12, 2021Date of Patent: June 18, 2024Assignee: AGENUS INC.Inventors: Marc van Dijk, Ekaterina Vladimirovna Breous-Nystrom, Nicholas Stuart Wilson, Jeremy Dale Waight, Dennis John Underwood
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Patent number: 12012443Abstract: Described herein are immunomodulatory fusion proteins containing an extracellular binding domain and an intracellular signaling domain, wherein binding of a target can generate a modulatory signal in a host cell, such as a T cell. Some immunomodulatory fusion proteins as described comprise a SIRP? extracellular component and hydrophobic and intracellular components comprising transmembrane and/or signaling domains of a CD28, respectively. Such fusion proteins are capable of delivering a positive or costimulatory signal in response to a binding event that in a natural setting would result in an inhibitory signal. Uses of immune cells expressing such immunomodulatory fusion proteins to treat certain diseases, such as cancer or infectious disease, are also described.Type: GrantFiled: February 3, 2021Date of Patent: June 18, 2024Assignee: Fred Hutchinson Cancer CenterInventors: Shannon K. Oda, Philip D. Greenberg, Thomas M. Schmitt
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Patent number: 11999801Abstract: The present invention relates to multispecific antibodies comprising at least three antigen binding sites wherein the third binding site is disulfide stabilized by introduction of cysteine, method for their production, pharmaceutical compositions containing said antibodies and uses thereof.Type: GrantFiled: March 17, 2020Date of Patent: June 4, 2024Assignee: Hoffman-La Roche Inc.Inventors: Ulrich Brinkmann, Wolfgang Schaefer, Klaus Mayer
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Patent number: 11999790Abstract: This disclosure relates to anti-human OX40 (TNF Receptor Superfamily Member 4, or TNFRSF4) antibodies, antigen-binding fragments, and the uses thereof.Type: GrantFiled: January 5, 2021Date of Patent: June 4, 2024Assignee: Eucure (Beijing) Biopharma Co., LtdInventors: Yi Yang, Yanan Guo, Yunyun Chen, Jingshu Xie, Chunyan Dong, Fang Yang, Chengyuan Lu, Xiaodong Cheng, Yuelei Shen, Jian Ni
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Patent number: 11993643Abstract: Polypeptides with biophysical properties such as solubility, stability, high expression, monomericity, binding specificity or non-aggregation, including monomeric human heavy and light chain variable domains (VHs and VLs), are identified using a high throughput method for screening polypeptides, comprising the steps of obtaining a phage display library, allowing infection of a bacterial lawn by the library phage, and identifying phage which form larger than average plaques on the bacterial lawn. Sequences of monomeric human VHs and VLs are identified, which may be useful for immunotherapy or as diagnostic agents. Multimer complexes of human VHs and VLs are also identified. The VHs and VLs identified may be used to create further libraries for identifying additional polypeptides. Further, the VHs and VLs may be subjected to DNA shuffling to select for improved biophysical properties.Type: GrantFiled: July 12, 2021Date of Patent: May 28, 2024Assignee: NATIONAL RESEARCH COUNCIL OF CANADAInventor: Jamshid Tanha
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Patent number: 11987633Abstract: The present invention relates to a bispecific single chain antibody molecule comprising a first binding domain consisting of one antibody variable domain capable of binding to an epitope of the human and non-chimpanzee primate CD3 epsilon chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain capable of binding to an epitope of a human and a non-chimpanzee primate tumor target antigen. The invention further relates to a bispecific single chain antibody molecule comprising a first binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3? (epsilon) chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain consisting of one antibody variable domain capable of binding to an epitope of a human and a non-chimpanzee primate tumor target antigen.Type: GrantFiled: March 17, 2021Date of Patent: May 21, 2024Assignee: AMGEN RESEARCH (MUNICH) GMBHInventors: Peter Kufer, Tobias Raum, Roman Kischel, Ralf Lutterbüse, Patrick Hoffmann, Matthias Klinger, Doris Rau, Susanne Mangold
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Patent number: 11987640Abstract: Mesothelin (MSLN) is expressed on pancreatic cancers, ovarian cancers and mesotheliomas. The present disclosure provides antigen-binding molecules, including anti-MSLN antibodies, and bispecific antigen-binding molecules that bind to both MSLN and a T cell antigen (e.g., CD3) and activate T cells in the presence of MSLN-expressing tumor cells. The antigen-binding molecules of this disclosure are useful for the treatment of diseases and disorders in which a MSLN-targeted immune response is desired and/or therapeutically beneficial. For example, the antigen-binding molecules of the present disclosure are useful for the treatment of various cancers, including pancreatic cancer, ovarian cancer and mesotheliomas.Type: GrantFiled: April 6, 2021Date of Patent: May 21, 2024Assignee: Fred Hutchinson Cancer CenterInventors: Colin Correnti, Ashok Bandaranayake, Christopher Mehlin, James M. Olson, Soheil Meshinchi
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Patent number: 11976136Abstract: The present invention provides fully IgG bi-specific antibodies comprising designed residues in the interface of the heavy chain-heavy chain (CH3/CH3) domains, processes for preparing said fully IgG bi-specific antibodies, and nucleic acids, vectors and host cells encoding the same.Type: GrantFiled: July 17, 2020Date of Patent: May 7, 2024Assignees: Eli Lilly and Company, The University of North Carolina at Chapel HillInventors: Hector Aldaz, Shane Krummen Atwell, Stephen John Demarest, Karen Jean Froning, Brian Arthur Kuhlman, Andrew Philip Leaver-Fay
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Patent number: 11970533Abstract: Antibodies binding to human claudin 18.2 (CLDN 18.2) and bispecific antibodies binding to both human CLDN 18.2 and PD-L1, pharmaceutical compositions comprising such, and methods of using such for treating target diseases including cancer.Type: GrantFiled: June 17, 2021Date of Patent: April 30, 2024Assignee: SPARX BIOSCIENCE LIMITEDInventors: Guidong Zhu, Jingdong Ye, Jichun Ma, Jingdong Qin, Hongyu Zhao
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Patent number: 11965019Abstract: Provided herein are stabilized chimeric Fabs derived from a parent chimeric Fab having a lambda light chain. The stabilized chimeric Fabs comprise an immunoglobulin heavy chain polypeptide construct from the parent chimeric Fab, having a CH1 sequence and a VH sequence, as well as a Vlambda-Ckappa chimeric light chain construct. The Vlambda sequence of the chimeric light chain construct corresponds to that of the parent chimeric Fab, and comprises one or more stabilizing amino acid modifications that increase the thermal stability of the stabilized chimeric Fab compared to the parent chimeric Fab. The stabilized Fabs are useful as therapeutic polypeptides, or can be used to prepare antibody constructs in other formats. The stabilized chimeric Fabs may also be useful generally to increase the stability of antibodies having lambda light chains.Type: GrantFiled: June 29, 2018Date of Patent: April 23, 2024Assignee: ZYMEWORKS BC INC.Inventors: Dunja Urosev, Yang-Chieh Chou
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Patent number: 11964998Abstract: The present invention relates to a method for purifying anti-IL-6 receptor antibodies from a sample comprising said antibodies and impurities, through the use of a three-chromatographic columns procedure, including a chromatography on Fluorapatite-containing resin. The invention is also concerned with pharmaceutical compositions comprising the purified antibodies obtainable by the process of the invention.Type: GrantFiled: August 30, 2018Date of Patent: April 23, 2024Assignee: FRESENIUS KABI DEUTSCHLAND GMBHInventors: Harry-James Sutter, Xavier Le Saout
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Patent number: 11958913Abstract: The present invention relates to a mutant polypeptide linker for preparing multispecific antibodies, multispecific antibodies, and methods for producing multispecific antibodies.Type: GrantFiled: January 9, 2018Date of Patent: April 16, 2024Assignee: BIOMUNEX PHARMACEUTICALSInventors: Eugene Zhukovsky, Olivier Leger
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Patent number: 11959118Abstract: The present invention is directed to methods and compositions for the production of Fc-containing polypeptides having improved properties and comprising mutations at positions 243 and 264 of the Fc region.Type: GrantFiled: October 20, 2020Date of Patent: April 16, 2024Assignee: Merck Sharp & Dohme LLCInventors: Terrance A. Stadheim, Dongxin Zha, Liming Liu
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Patent number: 11958902Abstract: The present invention relates to anti-TIGIT antibodies, as well as use of these antibodies in the treatment of diseases such as cancer and infectious disease.Type: GrantFiled: July 27, 2020Date of Patent: April 16, 2024Assignee: Merck Sharp & Dohme LLCInventors: Sybil M. G. Williams, Wolfgang Seghezzi, Laurence Fayadat-Dilman, Linda Liang, Veronica Juan
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Patent number: 11952424Abstract: The invention relates to a multivalent antibody which comprises: a base antibody portion which comprises two binding domains; and at least one additional binding domain, wherein the base antibody portion is connected by a linker to the at least one additional binding domain, wherein each binding domain of the base antibody portion and each of the at least one additional binding domains all have a common variable region, and wherein the linker comprises a hinge sequence or a sequence derived from a hinge sequence. The invention also relates to a multivalent antibody which comprises: a base antibody portion which comprises two binding domains; and at least one additional binding domain, wherein at least one additional binding domain comprises a CH1 region and is connected to the base antibody portion by said linker, linking a variable region of the base antibody portion and the CH1 region, and wherein the multivalent antibody binds to at least three different epitopes.Type: GrantFiled: March 29, 2019Date of Patent: April 9, 2024Assignee: merus n.v.Inventors: Cornelis Adriaan de Kruif, Linda Johanna Aleida Hendriks, Ton Logtenberg
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Patent number: 11945873Abstract: Antitumor antagonists that bind specifically to immune checkpoint regulators, angiogenesis pathway regulators and/or TGF pathway regulators are disclosed. Also disclosed are methods for treating proliferative disorders, infections, and immunological disorders with the antitumor antagonists described herein.Type: GrantFiled: April 16, 2021Date of Patent: April 2, 2024Assignee: GENSUN BIOPHARMA, INC.Inventors: Jackie Sheng, Bo Liu, Margaret Karow
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Patent number: 11944643Abstract: The present invention relates to an engineered immune cell endowed with CD22 Chimeric Antigen Receptors (CD22 CAR) with a deletion in the TRAC gene that is able to redirect immune cell specificity and reactivity toward selected tumor cells. The engineered immune cells endowed with such CARs are particularly suited for treating relapsed refractory CD22 expressing cancers.Type: GrantFiled: March 30, 2018Date of Patent: April 2, 2024Assignee: CELLECTIS SAInventors: Julianne Smith, Philippe Duchateau, Murielle Derrien