Patents by Inventor Cheri A. Stevenson

Cheri A. Stevenson 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).

  • Patent number: 9770519
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: September 26, 2017
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20160220696
    Abstract: Auristatin compounds and conjugates thereof are provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently an Auristatin compound. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: January 19, 2016
    Publication date: August 4, 2016
    Inventors: Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dimitry R. Gumerov
  • Publication number: 20160067353
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: August 24, 2015
    Publication date: March 10, 2016
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 9254339
    Abstract: Auristatin compounds and conjugates thereof are provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently an Auristatin compound. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: February 9, 2016
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20150314008
    Abstract: An auristatin compound conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by Lp. Each occurrence of D is independently an auristatin compound having a molecular weight ?5 kDa. LD and Lp are distinct linkers connecting the auristatin compound and PBRM to the polymeric earner respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-auristatin compound-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: December 10, 2013
    Publication date: November 5, 2015
    Inventors: Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Cheri A. Stevenson, Patrick R. Conlon
  • Patent number: 9144615
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: September 29, 2015
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20150125474
    Abstract: A polymeric scaffold useful for conjugating with a protein based recognition-molecule (PBRM) to form a PBRM-polymer-drug conjugate is described herein. The scaffold includes one or more terminal maleimido groups. Also disclosed is a PBRM-polymer-drug conjugate prepared from the scaffold. Compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions are also described.
    Type: Application
    Filed: October 10, 2014
    Publication date: May 7, 2015
    Inventors: Roger A. Smith, Nitin K. Damle, Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Cheri A. Stevenson, Venu R. Gurijala
  • Publication number: 20150104407
    Abstract: A polymeric scaffold useful for conjugating with a protein based recognition-molecule (PBRM) to form a PBRM-polymer-drug conjugate is described herein. The scaffold includes one or more terminal maleimido groups. Also disclosed is a PBRM-polymer-drug conjugate prepared from the scaffold. Compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions are also described.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Inventors: ALEKSANDR V. YURKOVETSKIY, MAO YIN, TIMOTHY B. LOWINGER, JOSHUA D. THOMAS, CHERI A. STEVENSON, VENU R. GURIJALA
  • Publication number: 20150064130
    Abstract: Auristatin compounds and conjugates thereof are provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently an Auristatin compound. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: August 12, 2014
    Publication date: March 5, 2015
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20150044160
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: August 12, 2014
    Publication date: February 12, 2015
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8821850
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: September 2, 2014
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8815226
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: August 26, 2014
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8808679
    Abstract: Auristatin compounds and conjugates thereof are provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently an Auristatin compound. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: August 19, 2014
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20140134127
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: January 16, 2014
    Publication date: May 15, 2014
    Applicant: MERSANA THERAPEUTICS, INC.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8685383
    Abstract: A drug conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently a therapeutic agent having a molecular weight ?5 kDa. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: April 1, 2014
    Assignee: Mersana Therapeautics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Publication number: 20130309192
    Abstract: Auristatin compounds and conjugates thereof are provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -LD-D, the protein based recognition-molecule being connected to the polymeric carrier by LP. Each occurrence of D is independently an Auristatin compound. LD and LP are linkers connecting the therapeutic agent and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-drug-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.
    Type: Application
    Filed: July 17, 2013
    Publication date: November 21, 2013
    Applicant: MERSANA THERAPEUTICS, INC.
    Inventors: Aleksandr V. Yurkovetskiy, Mao Yin, Timothy B. Lowinger, Joshua D. Thomas, Charles E. Hammond, Cheri A. Stevenson, Natalya D. Bodyak, Patrick R. Conlon, Dmitry R. Gumerov
  • Patent number: 8524214
    Abstract: Polyal-Drug conjugates comprising a variable rate-releasing linker are described along with methods of making such conjugates. Uses for such Polyal-Drug conjugates is also described.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: September 3, 2013
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Aleksandr Yurkovetskiy, Mao Yin, Gui Liu, Laura C. Akullian, John J. Kane, Cheri A. Stevenson, Charles E. Hammond, Russell C. Petter, John H. Van Duzer, Timothy B. Lowinger
  • Publication number: 20130189218
    Abstract: The invention described herein provides a mixture comprising polymer molecules or salts thereof, wherein a polymer molecule in the mixture comprises covalently bound subunits L, K, and M wherein the average molecular weight of the polymer molecules in the mixture is about 50 kDa to about 200 kDa, wherein the mole percentage of subunit M, K and L, relative to the total amount of subunits in the mixture, is about 90.5 to about 96 mol %, about 2.8 to about 7.3 mol %, and about 1.2 to about 2.2 mol %, respectively.
    Type: Application
    Filed: December 21, 2012
    Publication date: July 25, 2013
    Applicant: Mersana Therapeutics, Inc.
    Inventors: Laura Akullian, Gui Liu, Timothy B. Lowinger, Dennis McGillicuddy, Cheri Stevenson, John Van Duzer, Mao Yin, Aleksandr Yurkovetskiy
  • Publication number: 20130158046
    Abstract: Fumagillin analog polymer conjugates, methods of making fumagillin analog polymer conjugates, compositions comprising a polymer conjugate of a fumagillin analog, and methods for treating cancer, or treating angiogenic diseases comprising administering to a subject in need thereof an effective amount of a polymer conjugate of a fumagillin analog, are described. Also described are novel fumagillin analogs, methods of making fumagillin analogs, compositions comprising at least one fumagillin analog, and methods for treating cancer, or treating angiogenic diseases comprising administering to a subject in need thereof an effective amount of a fumagillin analog.
    Type: Application
    Filed: February 15, 2013
    Publication date: June 20, 2013
    Applicant: Mersana Therapeutics, Inc
    Inventors: Laura C. Akullian, Russell C. Petter, John J. Kane, Charles E. Hammond, Mao Yin, Aleksandr Yurkovetskiy, Cheri A. Stevenson
  • Patent number: 8399512
    Abstract: Fumagillin analog polymer conjugates, methods of making fumagillin analog polymer conjugates, compositions comprising a polymer conjugate of a fumagillin analog, and methods for treating cancer, or treating angiogenic diseases comprising administering to a subject in need thereof an effective amount of a polymer conjugate of a fumagillin analog, are described. Also described are novel fumagillin analogs, methods of making fumagillin analogs, compositions comprising at least one fumagillin analog, and methods for treating cancer, or treating angiogenic diseases comprising administering to a subject in need thereof an effective amount of a fumagillin analog.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: March 19, 2013
    Assignee: Mersana Therapeutics, Inc.
    Inventors: Laura C. Akullian, Russell C. Petter, John J. Kane, Charles E. Hammond, Mao Yin, Aleksandr Yurkovetskiy, Cheri A. Stevenson