Patents by Inventor Pei-Yun Chang
Pei-Yun Chang 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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Publication number: 20230322900Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: December 12, 2022Publication date: October 12, 2023Inventors: Volker Schellenberger, Pei-Yun Chang, Fatbardha Varfaj, Sheng Ding, Joshua Silverman, Chia-wei Wang, Benjamin Spink, Willem P. Stemmer, Nathan Geething, John Kulman, Tongyao Liu, Garabet G. Toby, Haiyan Jiang, Robert Peters, Deping Wang, Baisong Mei
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Publication number: 20230019286Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: April 26, 2021Publication date: January 19, 2023Inventors: Volker SCHELLENBERGER, Pei-Yun CHANG, Fatbardha VARFAJ, John KULMAN, Tongyao LIU, Garabet G. TOBY, Haiyan JIANG, Robert PETERS, Deping WANG, Baisong MEI, Joshua SILVERMAN, Chia-Wei WANG, Benjamin SPINK, Nathan GEETHING
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Publication number: 20220056108Abstract: The present invention provides a chimeric protein comprising a VWF protein comprising the D? domain and D3 domain of VWF, one or more XTEN sequence, and a FVIII protein, wherein the VWF fragment, the XTEN sequence, or the FVIII protein are linked to or associated with each other. The chimeric protein can further comprise one or more Ig constant region or a portion thereof (e.g., an Fc region). A polypeptide chain comprising a VWF fragment of the invention binds to or is associated with a polypeptide chain comprising a FVIII protein linked to an XTEN sequence and the polypeptide chain comprising the VWF fragment can prevent or inhibit binding of endogenous VWF to the FVIII protein linked to the XTEN sequence. By preventing or inhibiting binding of endogenous VWF to the FVIII protein, which is a half-life limiting factor for FVIII, the VWF fragment can induce extension of half-life of the chimeric protein comprising a FVIII protein.Type: ApplicationFiled: June 25, 2021Publication date: February 24, 2022Inventors: Ekta Seth CHHABRA, Tongyao LIU, Pei-yun CHANG, Robert T. PETERS, John KULMAN, Haiyan JIANG
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Patent number: 11091534Abstract: The present invention provides a chimeric protein comprising a VWF protein comprising the D? domain and D3 domain of VWF, one or more XTEN sequence, and a FVIII protein, wherein the VWF fragment, the XTEN sequence, or the FVIII protein are linked to or associated with each other. The chimeric protein can further comprise one or more Ig constant region or a portion thereof (e.g., an Fc region). A polypeptide chain comprising a VWF fragment of the invention binds to or is associated with a polypeptide chain comprising a FVIII protein linked to an XTEN sequence and the polypeptide chain comprising the VWF fragment can prevent or inhibit binding of endogenous VWF to the FVIII protein linked to the XTEN sequence. By preventing or inhibiting binding of endogenous VWF to the FVIII protein, which is a half-life limiting factor for FVIII, the VWF fragment can induce extension of half-life of the chimeric protein comprising a FVIII protein.Type: GrantFiled: October 8, 2018Date of Patent: August 17, 2021Assignee: Bioverativ Therapeutics Inc.Inventors: Ekta Seth Chhabra, Tongyao Liu, Pei-yun Chang, Robert T. Peters, John Kulman, Haiyan Jiang
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Publication number: 20200087379Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: July 25, 2019Publication date: March 19, 2020Inventors: Volker Schellenberger, Pei-Yun Chang, Fatbardha Varfaj, Sheng Ding, Joshua Silverman, Chia-wei Wang, Benjamin Spink, Willem P. Stemmer, Nathan Geething, John Kulman, Tongyao Liu, Garabet G. Toby, Haiyan Jiang, Robert Peters, Deping Wang, Baisong Mei
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Patent number: 10548953Abstract: The present invention provides chimeric proteins comprising a Factor VIII (FVIII) polypeptide and XTEN polypeptides. The FVIII polypeptide can have a reduced affinity for von Willebrand Factor (VWF). XTEN polypeptides of appropriate sizes are inserted into the FVIII polypeptide at particular locations in order to extend the half-life of the FVIII polypeptide. The invention also includes nucleotides, vectors, host cells, and methods of using the chimeric proteins, e.g., to treat bleeding diseases and disorders.Type: GrantFiled: August 14, 2014Date of Patent: February 4, 2020Assignee: BIOVERATIV THERAPEUTICS INC.Inventors: Tongyao Liu, Pei-Yun Chang, John Kulman, Volker Schellenberger, Haiyan Jiang, Robert T. Peters, Ekta Seth Chhabra
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Publication number: 20190315835Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: March 29, 2019Publication date: October 17, 2019Inventors: Volker SCHELLENBERGER, Pei-Yun CHANG, Fatbardha VARFAJ, John KULMAN, Tongyao LIU, Garabet G. TOBY, Haiyan JIANG, Robert PETERS, Deping WANG, Baisong MEI, Joshua SILVERMAN, Chia-Wei WANG, Benjamin SPINK, Nathan GEETHING
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Patent number: 10421798Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: GrantFiled: July 11, 2012Date of Patent: September 24, 2019Assignee: BIOVERATIV THERAPEUTICS INC.Inventors: Volker Schellenberger, Pei-Yun Chang, Fatbardha Varfaj, Sheng Ding, Joshua Silverman, Chia-wei Wang, Benjamin Spink, Willem P. Stemmer, Volker Schellenberger, Nathan Geething, John Kulman, Tongyao Liu, Garabet G. Toby, Haiyan Jiang, Robert Peters, Deping Wang, Baisong Mei
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Publication number: 20190169267Abstract: The present invention provides a chimeric protein comprising a VWF protein comprising the D? domain and D3 domain of VWF, one or more XTEN sequence, and a FVIII protein, wherein the VWF fragment, the XTEN sequence, or the FVIII protein are linked to or associated with each other. The chimeric protein can further comprise one or more Ig constant region or a portion thereof (e.g., an Fc region). A polypeptide chain comprising a VWF fragment of the invention binds to or is associated with a polypeptide chain comprising a FVIII protein linked to an XTEN sequence and the polypeptide chain comprising the VWF fragment can prevent or inhibit binding of endogenous VWF to the FVIII protein linked to the XTEN sequence. By preventing or inhibiting binding of endogenous VWF to the FVIII protein, which is a half-life limiting factor for FVIII, the VWF fragment can induce extension of half-life of the chimeric protein comprising a FVIII protein.Type: ApplicationFiled: October 8, 2018Publication date: June 6, 2019Applicant: Bioverativ Therapeutics Inc.Inventors: Ekta Seth CHHABRA, Tongyao LIU, Pei-yun CHANG, Robert T. PETERS, John KULMAN
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Patent number: 10138291Abstract: The present invention provides a chimeric protein comprising a VWF protein comprising the D? domain and D3 domain of VWF, one or more XTEN sequence, and a FVIII protein, wherein the VWF fragment, the XTEN sequence, or the FVIII protein are linked to or associated with each other. The chimeric protein can further comprise one or more Ig constant region or a portion thereof (e.g., an Fc region). A polypeptide chain comprising a VWF fragment of the invention binds to or is associated with a polypeptide chain comprising a FVIII protein linked to an XTEN sequence and the polypeptide chain comprising the VWF fragment can prevent or inhibit binding of endogenous VWF to the FVIII protein linked to the XTEN sequence. By preventing or inhibiting binding of endogenous VWF to the FVIII protein, which is a half-life limiting factor for FVIII, the VWF fragment can induce extension of half-life of the chimeric protein comprising a FVIII protein.Type: GrantFiled: July 10, 2013Date of Patent: November 27, 2018Assignee: Bioverativ Therapeutics Inc.Inventors: Ekta Seth Chhabra, Tongyao Liu, Pei-yun Chang, Robert T. Peters, John Kulman
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Publication number: 20160376344Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: May 24, 2016Publication date: December 29, 2016Applicant: Amunix Operating Inc.Inventors: Volker SCHELLENBERGER, Pei-Yun CHANG, Fatbardha VARFAJ, John KULMAN, Tongyao LIU, Garabet G. TOBY, Haiyan JIANG, Robert PETERS, Deping WANG, Baisong MEI, Joshua SILVERMAN, Chia-Wei WANG, Benjamin SPINK, Nathan GEETHING
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Publication number: 20160199454Abstract: The present invention provides chimeric proteins comprising a Factor VIII (FVIII) polypeptide and XTEN polypeptides. The FVIII polypeptide can have a reduced affinity for von Willebrand Factor (VWF). XTEN polypeptides of appropriate sizes are inserted into the FVIII polypeptide at particular locations in order to extend the half-life of the FVIII polypeptide. The invention also includes nucleotides, vectors, host cells, and methods of using the chimeric proteins, e.g., to treat bleeding diseases and disorders.Type: ApplicationFiled: August 14, 2014Publication date: July 14, 2016Applicants: Biogen MA Inc., Amunix Operating Inc.Inventors: Tongyao LIU, Pei-Yun CHANG, John KULMAN, Volker SCHELLENBERGER, Haiyan JIANG, Robert T. PETERS, Ekta Seth CHHABRA
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Publication number: 20150266943Abstract: The present invention includes a chimeric protein comprising a VWF protein with D? domain and D3 domain of VWF, one or more XTEN sequence, and a FVIII protein, wherein the VWF fragment, the XTEN sequence, or the FVIII protein are linked to or associated with each other. The chimeric protein can further comprise one or more Ig constant region or a portion thereof (e.g., an Fc region). A polypeptide chain of a VWF fragment is associated with a FVIII polypeptide chain linked to an XTEN sequence. The VWF fragment polypeptide chain can prevent or inhibit binding of endogenous VWF to FVIII protein linked to the XTEN sequence. By preventing or inhibiting binding of endogenous VWF to FVIII protein, VWF fragment can extend half-life of chimeric protein comprising FVIII protein. The invention includes nucleotides, vectors, host cells, use of VWF fragment, or chimeric proteins.Type: ApplicationFiled: July 10, 2013Publication date: September 24, 2015Applicants: AMUNIX OPERATING INC., BIOGEN MA INC.Inventors: Ekta Seth Chhabra, Tongyao Liu, Pei-yun Chang, Robert T. Peters, John Kulman
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Publication number: 20150158929Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: July 11, 2012Publication date: June 11, 2015Applicants: AMUNIX OPERATING INC., BIOGEN IDEC MA INC.Inventors: Volker Schellenberger, Pei-Yun Chang, Fatbardha Varfaj, Sheng Ding, Joshua Silverman, Chia-wei Wang, Benjamin Spink, Willem P. Stemmer, Nathan Geething, John Kulman, Tongyao Liu, Garabet G. Toby, Haiyan Jiang, Robert Peters, Deping Wang, Baisong Mei
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Publication number: 20150038421Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: June 27, 2014Publication date: February 5, 2015Inventors: Volker SCHELLENBERGER, Pei-Yun Chang, Fatbardha Varfaj, John Kulman, Tongyao Liu, Garabet G. Toby, Haiyan Jiang, Robert Peters, Deping Wang, Baisong Mei, Joshua Silverman, Chia-Wei Wang, Benjamin Spink, Nathan Geething
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Publication number: 20130017997Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: February 2, 2012Publication date: January 17, 2013Applicant: Amunix Operating Inc.Inventors: Volker Schellenberger, Pei-Yun Chang, Fatbardha Varfaj, John Kulman, Tongyao Liu, Garabet G. Toby, Haiyan Jiang, Robert Peters, Deping Wang, Baisong Mei, Joshua Silverman, Chia-Wei Wang, Benjamin Spink, Nathan Geething
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Publication number: 20120178691Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: March 16, 2012Publication date: July 12, 2012Applicant: Amunix Operating Inc.Inventors: Volker Schellenberger, Pei-Yun Chang, Fatbardha Varfaj, Joshua Silverman, Chia-Wei Wang, Benjamin Spink, Nathan Geething