Patents Examined by Karl J. Puttlitz
  • Patent number: 11000601
    Abstract: Antibody drug conjugates (ADC's) comprising a drug conjugated to antibody or antigen binding fragments thereof that bind to Globo series antigen disclosed herein, as well as methods of use thereof. Methods of use include, without limitation, cancer therapies and diagnostics. The antibodies of the disclosure can bind to certain cancer cell surfaces. Exemplary targets of the antibodies disclosed herein can include carcinomas, such as sarcoma, skin cancer, leukemia, lymphoma, brain cancer, glioblastoma, lung cancer, breast cancer, oral cancer, head-and-neck cancer, nasopharyngeal cancer, esophagus cancer, stomach cancer, liver cancer, bile duct cancer, gallbladder cancer, bladder cancer, pancreatic cancer, intestinal cancer, colorectal cancer, kidney cancer, cervix cancer, endometrial cancer, ovarian cancer, testical cancer, buccal cancer, oropharyngeal cancer, laryngeal cancer and prostate cancer.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 11, 2021
    Assignee: OBI PHARMA, INC.
    Inventors: Michael Nientse Chang, Jiann-Shiun Lai, Wan-Fen Li, I-Ju Chen, Yi-Chien Tsai, Kai-Chuan Chen
  • Patent number: 10995148
    Abstract: The current disclosure provides binding polypeptides (e.g., antibodies), and targeting moiety conjugates thereof, comprising a site-specifically engineered glycan linkage within native or engineered glycans of the binding polypeptide. The current disclosure also provides nucleic acids encoding the antigen-binding polypeptides, recombinant expression vectors and host cells for making such antigen-binding polypeptides. Methods of using the antigen-binding polypeptides disclosed herein to treat disease are also provided.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: May 4, 2021
    Assignee: GENZYME CORPORATION
    Inventors: Luis Avila, Clark Pan, Huawei Qiu, Qun Zhou
  • Patent number: 10988531
    Abstract: The invention relates to novel cell-binding agent-cytotoxic agent conjugates, wherein the cell-binding agent (CBA) is covalently linked to the cytotoxic agent through an aldehyde group obtained from oxidation of a 2-hydroxyethylamine moiety on the CBA. The invention also provides methods of preparing the conjugates of the present invention. The invention further provides composition and methods useful for inhibiting abnormal cell growth or treating a proliferative disorder in a mammal using the conjugates of the invention.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: April 27, 2021
    Assignee: IMMUNOGEN, INC.
    Inventors: Nathan Elliott Fishkin, Daniel Tavares, Lingyun Rui, Luke B. Harris, Manami Shizuka, Michael Louis Miller, Ravi V. J. Chari
  • Patent number: 10973924
    Abstract: As an antitumor drug which is excellent in terms of antitumor effect and safety, there is provided an antibody-drug conjugate in which an antitumor compound represented by the following formula is conjugated to an antibody via a linker having a structure represented by the following formula: -L1-L2-LP-NH—(CH2)n1-La-Lb-Lc- wherein the antibody is connected to the terminal of L1, and the antitumor compound is connected to the terminal of Lc with the nitrogen atom of the amino group at position 1 as a connecting position.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: April 13, 2021
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Takeshi Masuda, Hiroyuki Naito, Takashi Nakada, Masao Yoshida, Shinji Ashida, Hideki Miyazaki, Yuji Kasuya, Koji Morita, Yuki Abe, Yusuke Ogitani
  • Patent number: 10973920
    Abstract: A molecule comprising a saccharide bound via an O-glycosidic bond to a hydroxyl group of a toxic payload molecule is disclosed. An antibody-drug conjugate comprising an antibody covalently bound to a toxic payload molecule, optionally via a linker group, and a saccharide bound via an O-glycosidic bond to a hydroxyl group of the toxic payload molecule is further disclosed.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: April 13, 2021
    Assignee: GLYKOS FINLAND OY
    Inventors: Jari Helin, Juhani Saarinen, Tero Satomaa, Filip S. Ekholm
  • Patent number: 10973923
    Abstract: The invention relates to site specific homogeneous binder drug conjugates of kinesin spindle protein inhibitors, to active metabolites of these conjugates, to processes for preparing these conjugates, to the use of these conjugates for the treatment and/or prophylaxis of diseases and to the use of these conjugates for preparing medicaments for treatment and/or prevention of diseases, in particular hyperproliferative and/or angiogenic disorders such as, for example, cancer diseases. Such treatments can be carried out as monotherapy or else in combination with other medicaments or further therapeutic measures.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: April 13, 2021
    Assignee: BAYER PHARMA AKTIENGESELLSCHAFT
    Inventors: Hans-Georg Lerchen, Yolanda Cancho Grande, Beatrix Stelte-Ludwig, Anette Sommer, Christoph Mahlert, Anne-Sophie Rebstock, Simone Greven, Nils Griebenow, Jan Tebbe, Oliver Kensch
  • Patent number: 10961311
    Abstract: The present invention is directed to novel B7-H3-binding molecules capable of binding to human and non-human B7-H3, and in particular to such molecules that are cross-reactive with B7-H3 of a non-human primate (e.g., a cynomolgus monkey). The invention additionally pertains to B7-H3-binding molecules that comprise Variable Light Chain and/or Variable Heavy Chain (VH) Domains that have been humanized and/or deimmunized so as to exhibit a reduced immunogenicity upon administration to recipient subjects. The invention particularly pertains to bispecific, trispecific or multispecific B7-H3-binding molecules, including bispecific diabodies, BiTEs, bispecific antibodies, trivalent binding molecules, etc. that comprise: (i) such B7-H3-binding Variable Domains and (ii) a domain capable of binding to an epitope of a molecule present on the surface of an effector cell.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: March 30, 2021
    Assignee: MACROGENICS, INC.
    Inventors: Deryk T. Loo, Ling Huang, Leslie S. Johnson, Thomas Son, Juniper A. Scribner, Ezio Bonvini
  • Patent number: 10960082
    Abstract: Disclosed are a type of tridentate linkers and use thereof. The tridentate linkers can be used to prepare an antibody drug conjugates as represented by formula I, L-(T-A-D)n??I wherein, L is an antibody, antibody fragment or protein; T is a tridentate linker part; A is a cleavable linker group or a noncleavable linker part; D is a drug part; n is an integer of 0-8. The structure of the tridentate linker part is as represented by formula II, wherein, W is substituted aryl, heteroaryl, linear alkyl, cycloalkyl, heterocycloalkyl, or any combination thereof.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: March 30, 2021
    Assignee: NEWBIO THERAPEUTICS, INC.
    Inventors: Deqiang An, Nianhe Han, Di Zeng, Hang Yang, Peng Zhu, Mingzhen Li, Li Jian, Chun Yang
  • Patent number: 10961183
    Abstract: There is disclosed a process for producing alkali taurinate by the ammonolysis of alkali ditaurinate, alkali tritaurinate, or a solution of alkali ditaurinate and alkali tritaurinate in the presence of one or more catalysts. The ammonolysis reaction is catalyzed by alkali salts of hydroxide, sulfate, sulfite, phosphate, or carbonate.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: March 30, 2021
    Assignee: VITAWORKS IP, LLC
    Inventor: Songzhou Hu
  • Patent number: 10946104
    Abstract: Described are immunoglobulins provided with a toxic moiety, comprising at least an immunoglobulin variable region that specifically binds to an MHC-peptide complex preferentially associated with aberrant cells. These immunoglobulins provided with a toxic moiety are preferably used in selectively modulating biological processes. The provided immunoglobulins provided with a toxic moiety are of particular use in pharmaceutical compositions for the treatment of diseases related to cellular aberrancies, such as cancers and autoimmune diseases.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: March 16, 2021
    Assignee: APO-TB.V.
    Inventors: Johan Renes, Paul Steverink, Ralph Alexander Willemsen
  • Patent number: 10941431
    Abstract: Provided herein are conjugated immunoglobulins and methods for generating conjugated immunoglobulins using a microbial transglutaminase.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: March 9, 2021
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Jared Spidel, Earl Albone
  • Patent number: 10934359
    Abstract: Provided are novel anti-BMPR1B antibodies and antibody drug conjugates, and methods of using such anti-BMPR1B antibodies and antibody drug conjugates to treat cancer.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: March 2, 2021
    Assignee: AbbVie Stemcentrx LLC
    Inventors: Somdutta Roy, Laura Saunders, Casey Franklin, Kevin Martinez, Sarah Fong, Zhao Huang, Silvia Juarez, Alina He, Kathryn A. Loving, Sandro Vivona
  • Patent number: 10927175
    Abstract: Provided is a method for treating a cancer in a subject in need thereof. The method comprises administering to the subject an anti-PD-1 agent in combination with one or more anticancer agents.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: February 23, 2021
    Assignee: SUN JET BIOTECHNOLOGY INC.
    Inventors: Hung-Chih Lai, Yeou-Guang Tsay
  • Patent number: 10918734
    Abstract: The present invention relates to treatment of Trop-2 positive cancers with the combination of anti-Trop-2 ADC and a Rad51 inhibitor. Preferably the drug conjugated to the antibody is SN-38, and the ADC is sacituzumab govitecan. The ADC may be administered at a dosage of between 4 mg/kg and 16 mg/kg, preferably 4, 6, 8, 9, 10, 12, or 16 mg/kg. When administered at specified dosages and schedules, the combination of ADC and Rad51 inhibitor can reduce solid tumors in size, reduce or eliminate metastases and is effective to treat cancers resistant to standard therapies, such as radiation therapy, chemotherapy or immunotherapy. Surprisingly, the combination is effective to treat cancers that are refractory to or relapsed from irinotecan or topotecan.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: February 16, 2021
    Assignee: Immunomedics, Inc.
    Inventors: Thomas M. Cardillo, David M. Goldenberg
  • Patent number: 10906974
    Abstract: It is an object of the present invention to provide an antibody specifically binding to GPR20-positive tumor cells such as GIST, a pharmaceutical product comprising the antibody and having therapeutic effects on a tumor, a method for treating a tumor using the aforementioned pharmaceutical product, and the like. It is another object of the present invention to provide an anti-GPR20 antibody having internalization activity, an antibody-drug conjugate containing the antibody, and the like.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: February 2, 2021
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Kenji Iida, Takehiro Hirai, Tomoko Terauchi, Kensuke Nakamura
  • Patent number: 10898579
    Abstract: The invention relates to novel cell-binding agent-cytotoxic agent conjugates, wherein the cell-binding agent (CBA) is covalently linked to the cytotoxic agent through an engineered Cys, such as an engineered Cys in the heavy chain CH3 domain, at a position corresponds to the EU/OU numbering position 442 (or C442) on an antibody CBA. The invention also provides methods of preparing the conjugates of the present invention. The invention further provides composition and methods useful for inhibiting abnormal cell growth or treating a proliferative disorder in a mammal using the conjugates of the invention.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: January 26, 2021
    Assignee: IMMUNOGEN, INC.
    Inventors: Nicholas C. Yoder, Chen Bai, Michael Louis Miller
  • Patent number: 10899843
    Abstract: The invention provides compositions and methods useful for the depletion of CD117+ cells and for the treatment of various hematopoietic diseases, metabolic disorders, cancers, e.g., acute myeloid leukemia (AML) and autoimmune diseases, among others. Described herein are antibodies, antigen-binding fragments, and conjugates thereof that can be applied to effect the treatment of these conditions, for instance, by depleting a population of CD117+ cells in a patient, such as a human. The compositions and methods described herein can be used to treat a disorder directly, for instance, by depleting a population of CD117+ cancer cells or autoimmune cells. The compositions and methods described herein can also be used to prepare a patient for hematopoietic stem cell transplant therapy and to improve the engraftment of hematopoietic stem cell transplants by selectively depleting endogenous hematopoietic stem cells prior to the transplant procedure.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: January 26, 2021
    Assignee: Magenta Therapeutics, Inc.
    Inventors: Bradley R. Pearse, Michael Cooke, Anthony Boitano, Rahul Palchaudhuri, Sean McDonough, Rajiv Panwar, Jacob Glanville
  • Patent number: 10888545
    Abstract: Disclosed herein are methods for treatment of estrogen-related medical disorders. The methods of treatment may comprise administering to a subject in need of such treatment a composition comprising a therapeutically effective amount of at least one compound of formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: January 12, 2021
    Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
    Inventors: Gregory R. Thatcher, Debra Tonetti, Mary Ellen Molloy, Bradley Michalsen, Zihui Qin, Rui Xiong
  • Patent number: 10889596
    Abstract: Pateamine A derivatives, pharmaceutical compositions that include the derivatives, and methods for treating chronic lymphocytic leukemia using the derivatives.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: January 12, 2021
    Assignee: The Texas A&M University System
    Inventors: Daniel Romo, Kenneth G. Hull, Mingzhao Zhu, Omar Robles
  • Patent number: 10882915
    Abstract: The invention provides compositions and methods useful for the depletion of CD117+ cells and for the treatment of various hematopoietic diseases, metabolic disorders, cancers, and autoimmune diseases, among others. Described herein are antibodies, antigen-binding fragments, and conjugates thereof that can be applied to effect the treatment of these conditions, for instance, by depleting a population of CD117+ cells in a patient, such as a human. The compositions and methods described herein can be used to treat a disorder directly, for instance, by depleting a population of CD117+ cancer cells or autoimmune cells. The compositions and methods described herein can also be used to prepare a patient for hematopoietic stem cell transplant therapy and to improve the engraftment of hematopoietic stem cell transplants by selectively depleting endogenous hematopoietic stem cells prior to the transplant procedure.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: January 5, 2021
    Assignee: Magenta Therapeutics, Inc.
    Inventors: Bradley R. Pearse, Anthony Boitano, Rahul Palchaudhuri, Sean McDonough, Rajiv Panwar, Jonathan Philip Belk, Matthew Duncan Smith