Patents by Inventor Chakrapani Subramanyam
Chakrapani Subramanyam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11833216Abstract: The present invention provides antibodies and antibody-drug conjugates that bind to the extra domain B splice variant of fibronectin 1 and methods for preparing and using the same.Type: GrantFiled: February 9, 2023Date of Patent: December 5, 2023Assignee: Pfizer Inc.Inventors: Andrea Therese Hooper, Kimberly Ann Marquette, Chakrapani Subramanyam, Hans-Peter Gerber, Chad Michael May
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Publication number: 20230241235Abstract: The present invention provides antibodies and antibody-drug conjugates that bind to the extra domain B splice variant of fibronectin 1 and methods for preparing and using the same.Type: ApplicationFiled: February 9, 2023Publication date: August 3, 2023Applicant: Pfizer Inc.Inventors: Andrea Therese HOOPER, Kimberly Ann MARQUETTE, Chakrapani SUBRAMANYAM, Hans-Peter GERBER, Chad Michael MAY
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Patent number: 11365263Abstract: The present invention is directed to novel bifunctional CTI-CTI and CBI-CTI dimers of the formula: F1-L1-T-L2-F2 where F1, L1, T, L2 and F2 are as defined herein, useful for the treatment for proliferative diseases, where the inventive dimers can function as stand-alone drugs, payloads in antibody-drug-conjugates (ADCs), and linker-payload compounds useful in connection with the production or administration of such ADCs; and to compositions including the aforementioned dimers, linker-payloads and ADCs, and methods for using these dimers, linker-payloads and ADCs, to treat pathological conditions including cancer.Type: GrantFiled: November 6, 2020Date of Patent: June 21, 2022Assignee: PFIZER INC.Inventors: Andreas Maderna, Chakrapani Subramanyam, Lawrence N. Tumey, Zecheng Chen, Jeffrey M. Casavant
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Publication number: 20210061923Abstract: The present invention is directed to novel bifunctional CTI-CTI and CBI-CTI dimers of the formula: F1-L1-T-L2-F2 where F1, L1, T, L2 and F2 are as defined herein, useful for the treatment for proliferative diseases, where the inventive dimers can function as stand-alone drugs, payloads in antibody-drug-conjugates (ADCs), and linker-payload compounds useful in connection with the production or administration of such ADCs; and to compositions including the aforementioned dimers, linker-payloads and ADCs, and methods for using these dimers, linker-payloads and ADCs, to treat pathological conditions including cancer.Type: ApplicationFiled: November 6, 2020Publication date: March 4, 2021Applicant: PFIZER INC.Inventors: Andreas MADERNA, Chakrapani SUBRAMANYAM, Lawrence N. TUMEY, Zecheng CHEN, Jeffrey M. CASAVANT
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Patent number: 10870706Abstract: The present invention is directed to novel bifunctional CTI-CTI and CBI-CTI dimers of the formula: F1-L1-T-L2-F2 where F1, L1, T, L2 and F2 are as defined herein, useful for the treatment for proliferative diseases, where the inventive dimers can function as stand-alone drugs, payloads in antibody-drug-conjugates (ADCs), and linker-payload compounds useful in connection with the production or administration of such ADCs; and to compositions including the aforementioned dimers, linker-payloads and ADCs, and methods for using these dimers, linker-payloads and ADCs, to treat pathological conditions including cancer.Type: GrantFiled: March 15, 2016Date of Patent: December 22, 2020Assignee: PFIZER INC.Inventors: Andreas Maderna, Chakrapani Subramanyam, Lawrence N. Tumey, Zecheng Chen, Jeffrey M. Casavant
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Patent number: 10723727Abstract: The present invention is directed to novel cytotoxic tubulysin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.Type: GrantFiled: January 27, 2017Date of Patent: July 28, 2020Assignee: Pfizer Inc.Inventors: Chakrapani Subramanyam, Lawrence N. Tumey, Longfei Xie, Carolyn Leverett, Beth C. Vetelino, Sai Chetan K. Sukuru, Sarah Hudson, Venkata Ramana Doppalapudi, Abhijit S. Bhat
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Publication number: 20190345186Abstract: The present invention is directed to novel calicheamicin derivatives useful as payloads in antibody-drug-conjugates (ADC's), and to payload-linker compounds and ADC compounds comprising the same; to pharmaceutical compositions comprising the same and to methods for using the same to treat pathological conditions such as cancer.Type: ApplicationFiled: January 10, 2018Publication date: November 14, 2019Applicant: PFIZER INC.Inventors: Omar Khaled Ahmad, Stephen Paul Brown, Kenneth John Dirico, Russell Dushin, Gary Frederick Filzen, Sujiet Puthenveetil, Pavel Strop, Chakrapani Subramanyam, Lawrence N. Tumey
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Publication number: 20190269791Abstract: The present invention provides antibodies and antibody-drug conjugates that bind to the extra domain B splice variant of fibronectin 1 and methods for preparing and using the same.Type: ApplicationFiled: October 3, 2017Publication date: September 5, 2019Applicant: Pfizer Inc.Inventors: Andrea Therese HOOPER, Kimberly Ann MARQUETTE, Chakrapani SUBRAMANYAM, Hans-Peter GERBER, Chad Michael MAY
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Patent number: 10391182Abstract: Cytotoxic dimers comprising CBI-based and/or CPI-based sub-units, antibody drug conjugates comprising such dimers, and to methods for using the same to treat cancer and other conditions.Type: GrantFiled: August 2, 2018Date of Patent: August 27, 2019Assignee: Pfizer Inc.Inventors: Andreas Maderna, Matthew David Doroski, Zecheng Chen, Hud Lawrence Risley, Jeffrey Michael Casavant, Christopher John O'Donnell, Alexander M. Porte, Chakrapani Subramanyam
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Publication number: 20180362519Abstract: The present invention is directed to novel cytotoxic tubulysin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.Type: ApplicationFiled: January 27, 2017Publication date: December 20, 2018Applicants: PFIZER INC., CovX Technologies Ireland LimitedInventors: Chakrapani SUBRAMANYAM, Lawrence N. TUMEY, Longfei XIE, Carolyn LEVERETT, Beth C. VETELINO, Sai Chetan K. SUKURU, Sarah HUDSON, Venkata Ramana DOPPALAPUDI, Abhijit S. BHAT
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Publication number: 20180346477Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), schizotypal personality disorder, cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, Parkinson's disease, anxiety, and depression.Type: ApplicationFiled: August 10, 2018Publication date: December 6, 2018Applicant: PFIZER INC.Inventors: DAVID LAWRENCE FIRMAN GRAY, LEI ZHANG, JENNIFER ELIZABETH DAVOREN, AMY BETH DOUNAY, IVAN VIKTOROVICH EFREMOV, CHEWAH LEE, SCOT RICHARD MENTE, STEVEN VICTOR O'NEIL, BRUCE NELSEN ROGERS, CHAKRAPANI SUBRAMANYAM
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Publication number: 20180339060Abstract: Cytotoxic dimers comprising CBI-based and/or CPI-based sub-units, antibody drug conjugates comprising such dimers, and to methods for using the same to treat cancer and other conditions.Type: ApplicationFiled: August 2, 2018Publication date: November 29, 2018Applicant: PFIZER INC.Inventors: Andreas MADERNA, Matthew David DOROSKI, Zecheng CHEN, Hud Lawrence RISLEY, Jeffrey Michael CASAVANT, Christopher John O'DONNELL, Alexander M. PORTE, Chakrapani SUBRAMANYAM
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Patent number: 10086085Abstract: Cytotoxic dimers comprising CBI-based and/or CPI-based sub-units, antibody drug conjugates comprising such dimers, and to methods for using the same to treat cancer and other conditions.Type: GrantFiled: January 26, 2015Date of Patent: October 2, 2018Assignee: Pfizer Inc.Inventors: Andreas Maderna, Matthew David Doroski, Zecheng Chen, Hud Lawrence Risley, Jeffrey Michael Casavant, Christopher John O'Donnell, Alexander M. Porte, Chakrapani Subramanyam
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Patent number: 10077272Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), schizotypal personality disorder, cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, Parkinson's disease, anxiety, and depression.Type: GrantFiled: November 27, 2017Date of Patent: September 18, 2018Assignee: Pfizer Inc.Inventors: David Lawrence Firman Gray, Lei Zhang, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, Chewah Lee, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Chakrapani Subramanyam
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Publication number: 20180200253Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof and N-oxides thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds and the uses of such compounds for the treatment of D1-mediated (or D1-associated) disorders including cognitive and motivational impairments and negative symptoms associated with illnesses such as schizophrenia, depression, bipolar disorder, Parkinson's disease, Mild cognitive impairment (MCI), Alzheimer's disease, lupus, Huntington's disease, Parkinson's, dyskinesia, ADHD, post-traumatic stress disorder, autism spectrum disorder, treatment-resistant depression, major depressive disorder (MDD), drug dependence, Tourette's syndrome, tardive dyskinesias as well as impairments associated with age, chronic stress, sleep deprivation, combat, chronic fatigue; endocrine or metabolic diseases such as hyperglycemia, dislipidemia, diabetes, obesity, and sepsis; and cType: ApplicationFiled: March 16, 2018Publication date: July 19, 2018Applicant: PFIZER INC.Inventors: JOTHAM WADSWORTH COE, JOHN ARTHUR ALLEN, JENNIFER ELIZABETH DAVOREN, AMY BETH DOUNAY, IVAN VIKTOROVICH EFREMOV, DAVID LAWRENCE FIRMAN GRAY, EDWARD RAYMOND GUILMETTE, ANTHONY RICHARD HARRIS, CHRISTOPHER JOHN HELAL, JACLYN LOUISE HENDERSON, SCOT RICHARD MENTE, DEANE MILFORD NASON, STEVEN VICTOR O'NEIL, CHAKRAPANI SUBRAMANYAM, WENJIAN XU
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Publication number: 20180072750Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), schizotypal personality disorder, cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, Parkinson's disease, anxiety, and depression.Type: ApplicationFiled: November 27, 2017Publication date: March 15, 2018Applicant: PFIZER INC.Inventors: DAVID LAWRENCE FIRMAN GRAY, LEI ZHANG, JENNIFER ELIZABETH DAVOREN, AMY BETH DOUNAY, IVAN VIKTOROVICH EFREMOV, CHEWAH LEE, SCOT RICHARD MENTE, STEVEN VICTOR O'NEIL, BRUCE NELSEN ROGERS, CHAKRAPANI SUBRAMANYAM
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Patent number: 9868744Abstract: The present invention provides, in part, compounds of Formula (I) and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), schizotypal personality disorder, cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, Parkinson's disease, anxiety, and depression.Type: GrantFiled: April 13, 2015Date of Patent: January 16, 2018Assignee: Pfizer Inc.Inventors: David Lawrence Firman Gray, Lei Zhang, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, Chewah Lee, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Chakrapani Subramanyam
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Patent number: 9856263Abstract: The present invention provides, in part, compounds of Formula (I): and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), schizotypal personality disorder, cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, Parkinson's disease, anxiety, and depression.Type: GrantFiled: April 15, 2015Date of Patent: January 2, 2018Assignee: PFIZER INC.Inventors: David Lawrence Firman Gray, Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, Scot Richard Mente, Chakrapani Subramanyam
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Patent number: 9850232Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), schizotypal personality disorder, cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, Parkinson's disease, anxiety, and depression.Type: GrantFiled: March 22, 2016Date of Patent: December 26, 2017Assignee: PFIZER INC.Inventors: David Lawrence Firman Gray, Lei Zhang, Michael Aaron Brodney, Michael Eric Green, Chakrapani Subramanyam
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Patent number: 9764040Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.Type: GrantFiled: September 29, 2016Date of Patent: September 19, 2017Assignee: Pfizer Inc.Inventors: Chakrapani Subramanyam, Frank Erich Koehn, Kenneth John Dirico, Alessandra S. Eustaquio, Michael Eric Green, Haiyin He, Min He, Christopher John O'Donnell, Sujiet Puthenveetil, Anokha Ratnayake, Jesse Alexander Teske, Hui Yu Yang